Back Matter

INDEX TO THE PHILOSOPHICAL TRANSACTIONS FOR THE YEAR 1850. A. Aden, Hourly readings of the Barometer at, 318; range of temperature at, 333. Albumen of Eggs, on the freezing of, 221. Algebraic expression of the number of partitions of which a given number is susceptible, 399. Alkaloids, artificial, on the nitrogenated principles of vegetables as the sources of, 47. Ammonia, salts of, diffusion of, 25. Amyl, Bromide of, its action upon aniline, 115; upon amylaniline, 116; upon ethylaniline, 117. Aniline, action of phenyl-alcohol upon, 97; action of bromide of ethyl upon, 98; action of bromide and iodide of methyl upon, 113; action of bromide of amyl upon, 115. Arctomys Empetra and pruinosa, on the dental structures in, 538–539. Atmospheric temperature, on the effect of its changes on the temperature of the human body, 442. Auditory nerve, development of, 195. B. Bakerian Lecture, the, 1. Barometrical observations in India, 298–321. Bases derived from aniline and ammonia, their relation with other groups of alkaloids, 124. Belemnite and Belemnoteuthis, supplementary observations on the structure of, 393. Bombay, range of Barometer at, 305. Temperature at, 324. Rain at, 353–367. Winds, 369. Brodie (Benjamin C., Esq.). On the Condition of certain Elements at the moment of Chemical Change, 759. Bromaniline, action of bromide of ethyl upon, 109. Brooke (Charles, Esq., M.B.). On the Automatic Registration of Magnetometers and Meteorological Instruments, by Photography, No. III., 83. Brougham (Lord). Experiments and Observations upon the Properties of Light, 235. MDCCCL. C. Calcutta, range of barometer at, 305. Temperature at, 324–332. Winds, 370. Carpenter (William B., M.D.). On the Mutual Relations of the Vital and Physical Forces, 727. Castor fiber, on the dental structures in, 539. Chemical change, on the condition of certain elements at the moment of, 759. Chloraniline, action of bromide of ethyl upon, 108. Chloride of sodium, diffusion of, 6. Cœlogeny Paca, on the dental tissues of, 554. Cohesion, strength of, in different woods, 684. Contraction, on induced, 645. Copper, ammoniated salts of, diffusion of, 12. Crocodilia, on the communications between the cavity of the tympanum and the palate in the, 526. D. Dasyprocta Aguti, on the dental structures of, 553. Davy (Dr. John). On the Temperature of Man within the Tropics, 437. Decomposition of salts by diffusion, 19. Development of the Tadpole of the Triton and the Frog, on the influence of physical agents on the, 431. Diamagnetic bodies, on the polar or other condition of, 171. Diethylamine, a new basic compound, 103; Hydrobromate of, 104; Platinum salt of, 105; action of bromide of ethyl on, 106; action of iodide of methyl upon, 114. Diffusion of Liquids, on the, 1. Characters of liquid diffusion, 6. Diffusion of chloride of sodium, 6; of various salts, 8; of ammoniated salts of copper, 12. Separation of salts of different bases by diffusion, 16. Decomposition of salts by diffusion, 19. Diffusion of double salts, 21. Diffusion of one salt into the solution of another salt, 22. Diffusion of salts of potash and ammonia, 25. Diffusion of salts of soda, 40. Diffusion of sulphate of magnesia, 43. Diffusion of Liquids. Supplementary observations on, 805. Hydrochloric acid, 806. Hydroiodic acid, Hydrobromic acid and bromine, 807. Hydrocyanic acid, 809. Nitric acid, 809. Sulphuric acid, 811. Chromic acid, ibid. Acetic acid, 812. Ammonia, 813. Alcohol, 814. Nitrate of baryta, 815. Nitrate of strontia, ibid. Nitrate of lime, 816. Acetate of lead, ibid. Acetate of baryta, 817. Chloride of barium, ibid. Chloride of strontium, 818. Chloride of calcium, 819. Chloride of manganese, 820. Nitrate of magnesia, ibid. Nitrate of copper, ibid. Protochloride of iron, 821. Sesquichloride of iron, ibid. Sulphate of magnesia, ibid. Sulphate of zinc, 822. Sulphate of alumina, 824. Nitrate of silver, ibid. Nitrate of soda, 825. Chloride of sodium, 826. Chloride of potassium, 827. Iodides and bromides of potassium and sodium, 829. Chloride of ammonium, 831. Dichloride of copper, ibid. Bicarbonate of potash, 833. Bicarbonate of soda, 834. Hydrochlorate of morphine, 835. Hydrochlorate of strychnine, 836. Dodabetta, Barometrical Observations at, 300–304, 308–313. Temperature at, 335. Observations on the wet-bulb at, 338. Winds, 372. Dynamic stability of floating bodies, 609. E. Electricity, atmospheric, observations on, in India, 374. Electro-Physiological Researches, 287. Conductibility of the Muscles in relation to that of the Nerve, 288. Difference of excitability produced in a nerve according to the direction of the electric current, 289. Excitability of the nerves in relation to the integrity of the nervous system, 290. Analogy between electricity and nervous force, 294. Induced contraction, 645. Epping, on the mean monthly temperature at, 572. Equations, linear, in finite differences, and linear differential equations, 261. Ethyl, Bromide of, its action upon aniline, 98; upon ethylaniline, 103; upon diethylaniline, 106; upon chloraniline and upon ethylochloraniline, 108; upon bromaniline, 109; upon nitraniine, 110; upon amylaniline, 117. Ethylaniline, a new basic compound, 100. Hydrobromate of, 101. Platinum-salt of, ibid. Action of bromide of ethyl upon, 103. Action of iodide of methyl upon, 114. Action of bromide of amyl upon, 117. Ethylochloraniline, action of bromide of ethyl upon, 109. Exercise, on the effect of, on the temperature of the body, 441. Experiments and observations upon the properties of light, 235. F. Fairbairn (William, Esq.). An Experimental Inquiry into the Strength of Wrought-Iron Plates and their Riveted Joints as applied to Ship-building and Vessels exposed to severe strains, 677. Faraday (Prof. M.). Experimental Researches in Electricity. Twenty-third Series. § 29. On the polar or other condition of diamagnetic bodies, 171. Fiber zibethicus, on the dental structures of, 550. Floating bodies, on the dynamic stability and on the oscillations of, 609. Fogs, observations on, in India, 374. Forces, on the mutual relations of the vital and physical, 727. Fucusamide, 473. Fucusine, 474. Nitrate of, 475. Muriate of, 477. Double platinum-salt of, ibid. Oxalate of, ibid. Fucusol, 471. Furfuramide. Furfurol, 467. Furfurine, double chloride of, and platinum, 470. Nitrate of, 476. Opake crystals of, ibid. G. Gerbillus Shawii, on the dental structures of, 549. Glaisher (James, Esq.). Sequel to a paper on the reduction of the Thermometrical Observations made at the Apartments of the Royal Society, 569. Graham (Prof. Thomas). On the Diffusion of Liquids, 1. Supplementary Observations on the Diffusion of Liquids, 805. Gray (Henry, Esq.). On the Development of the Retina and Optic Nerve, and of the Membranous Labyrinth and Auditory Nerve, 189. Greenwich, on the thermometrical observations taken at the Royal Observatory, 569. Comparison of the temperature at, with that at Somerset House, 579. H. Hargreave (C. J., Esq.). General Methods in Analysis for the resolution of Linear Equations in Finite Differences and Linear Differential Equations, 261. Heat, mechanical equivalent of, 61. Friction of water, 66. Friction of mercury, 70–75. Friction of cast iron, 77–80. Herschel (Sir J. F. W.). On the Algebraic Expression of the number of Partitions of which a given number is susceptible, 399. Higginbottom (John, Esq.). On the Influence of Physical Agents on the development of the Tadpole of the Triton and the Frog, 431. Hofmann (Dr. A. W.). Researches regarding the Molecular Constitution of the Volatile Organic Bases, 93. Hylæosaurus, on a dorsal dermal spine of, 391. Hystrix cristata, on the dental structures of, 552. I. India, meteorological observations in, 297. J. Jerboa Ægyptius, on the dental structures in, 544. Jones (Henry Bence, M.D.). Contributions to the Chemistry of the Urine. Paper IV. On the so-called Chylous Urine, 651. Joule (James P., Esq.). On the Mechanical Equivalent of Heat, 61. L. Ligamentum Rotundum Uteri, on the structure and use of, 515. Light, experiments and observations upon the properties of, 235. Linear Equations in Finite Differences and Linear Differential Equations. General methods in analysis for the resolution of, 261. Linear equations in finite differences, ibid. Solution of differential equations in series, 270. Liquid diffusion, characters of, 6. Liquids, on the diffusion of, 1. Supplementary observations, 805. Lyndon, on the mean monthly temperature at, 569. M. Madras, range of barometer at, 305. Temperature at, 324–331. Winds, 368. Magnesia, sulphate of, diffusion of, 43. Magnetic Observatories (British). On the means adopted therein for determining the absolute values, secular change, and annual variation of the magnetic force, 201. Sources of irregularity in the indications of the Bifilar, 202, 203. Portable Unifilar Magnetometer, 204. Instruments employed at Toronto, 205. Monthly results, 208. Total Force, its mean value and secular change, 210. Annual variation, 211. Magnetometers, automatic registration of, 83. Magnets, scale and temperature coefficients of, new method of determining, 85. Mantell (Dr. G. A.). On a Dorsal dermal Spine of the Hylaeosaurus, recently discovered in the Strata of Tilgate Forest, 391. Supplementary Observations on the Structure of the Belemnite and Belemnoteuthis, 393. On the Pelorosaurus; an undescribed gigantic terrestrial reptile whose remains are associated with those of the Iguanodon and other Saurians in the Strata of Tilgate Forest, in Sussex, 379. Marshall (John, Esq.). On the development of the Great Anterior Veins in Man and Mammalia; including an account of certain remains of Fetal Structure found in the Adult, a Comparative View of these Great Veins in the different Mammalia, and an Analysis of their occasional peculiarities in the Human Subject, 133. Matteucci (Signor Carlo). Electro-Physiological Researches. Eighth Series, 287. Ninth Series. On Induced Contraction, 645. Mechanical equivalent of heat, 61. Membranous labyrinth and auditory nerve, on the development of, 195. Meteorological Instruments, automatic registration of, 83. Meteorological Observations taken in India, discussion of, 297. Diurnal tides, 298. Table of daily oscillations of the barometer at Dodabetta, 300. Range of barometer at Dodabetta, 304–308. Dates of the maximum and minimum pressure at Madras, and range of barometer at Madras, Bombay, Calcutta, &c., 305. Horary oscillations, 308, 309, 314. Table of monthly means of daily atmospheric tides, 311. Table of movements of the atmosphere in twenty-four hours in each month at Dodabetta, 313. Table of means of the hourly readings of the barometer at Aden, 318. Pressure of the atmosphere, 321. Temperature, 323. Table of monthly mean temperatures at Madras, Bombay and Calcutta, &c., 324. Curves of temperature at high levels, 330. Range of temperature and hours of maxima and minima:—Madras, 331; Calcutta, 332; Aden, 333. Range of temperature at high levels, 333; at Sattara, 334; Mahabuleshwur, 335; Dodabetta, ibid. Aqueous vapour, 336. Observations by the wet-bulb at Dodabetta, 338; at Mahabuleshwur, 339. Rain, 352; at Bombay, 353; on the coast of Malabar and Coromandel, 357. Rain at different elevations, 363. Register of pluviometer at Bombay, 367. Winds at Madras, 368; at Bombay, 369; at Calcutta, 370; at Mahabuleshwur, 372; at Dodabetta, ibid. Fogs, 374. Electricity, 374. Methyl, bromide and iodide of, their action upon aniline, 113; iodide of, its action upon ethyl-aniline, 114. Methylaniline, 113. Methylethylaniline, 114. Molecular constitution of the volatile organic bases, 93. Moseley (The Rev. Henry). On the Dynamic Stability and on the Oscillations of Floating Bodies, 609. Moss, Lichens and Ferns, oils produced from, 478. Muridae, on the dental structures in, 542. Mus decumanus, on the dental structure of, 546. Muscular fibres of uterus, changes in, during gestation, 518. Myopotamus Coypus, on the dental tissues of, 555. Myoxus avellanarius, on the dental structure in, 543. N. *Nebulae*, observations on, 499. Account of the great telescope of the Earl of Rosse, *ibid*. *Nerves*, experiments on the section of, and observations of the alterations produced thereby in the structure of their primitive fibres, 423. *Nitraniline*, action of bromide of ethyl upon, 110. *Nitrogenated principles of vegetables*, on the, as the sources of artificial alkaloids, 47. *Phaseolus communis*, 48. *Linum usitatissimum*, 53. Wheat, 54. Peat, *ibid*. Distillation of wood, 55. Formation of organic bases from the nitrogenated principles of vegetables and animals by means of alkaline lye, 56; by sulphuric acid, 57; by putrefaction, 57–59. Guano, 57. Bases from *Lycopodium*, 59. Bases from *Pteris aquilina*. *Notation*, on a system of, for the teeth in Mammalia, 481. O. *Observatories*, British Magnetic, 201. *Octodon Degus*, on the dental tissues of, 555. *Oils*, on the, produced by the action of sulphuric acid upon various classes of vegetables, 467. Furfuramide, *ibid*. Furfuro, *ibid*. Double chloride of furfurine and platinum, 470. Nitrate of furfurine, *ibid*. Fucosol, 471. Fucusamide, 473. Thiofucusol, *ibid*. Pyrofucusol, 474. Fucusine, *ibid*. Nitrate of fucusine, 475. Nitrate of furfurine, 476. Muriate of fucusine, 477. Double platinum salt of, *ibid*. Oxalate of, *ibid*. Oil from Moss, Lichens and Ferns, 478. Opake crystals of nitrate of furfurine, 480. *Optic nerve*, development of, 189. *Oscillations* of floating bodies, 609. *Owen* (Professor R.). On the Development and Homologies of the Molar Teeth of the Wart-Hogs (*Phacochærus*), with Illustrations of a System of Notation for the Teeth in the Class Mammalia, 481. On the Communications between the Cavity of the Tympanum and the Palate in the Crocodilia, 521. P. *Paget* (Professor James). Observations on the Freezing of the Albumen of Eggs, 221. *Pelorosaurus Conybearii*, a gigantic fossil reptile, description of its remains, 379. Indications of, in the Oolitic strata, 384. *Phacochærus*, or Wart-Hogs, on the development and homologies of the molar teeth of, 481. *Phenyl-alcohol*, its action upon aniline, 97. Photography as a means of automatic registration, 83. *Physical and Vital Forces*, on the mutual relations of, 727. *Plates*, wrought-iron, on the strength of, 677. *Potash*, salts of, diffusion of, 25. *Pyrofucusol*, 474. R. *Rain*, fall of, in India, 352–367. *Rainey* (G. Esq.). On the Structure and Use of the Ligamentum Rotundum Uteri, with some observations upon the changes which take place in the Structure of the Uterus during Gestation, 515. Registration, automatic, of magnetometers and meteorological instruments by photography, 83. Reptile, fossil (Pelorosaurus), description of, 379. Retina and optic nerve, on the development of, 189. Rodentia, on the dental tissues of the Order, 529. Rolling of ships, on the, 611. Rosse (The Earl of). Observations on the Nebulae, 499. Royal Society, on the thermometrical observations taken at the Apartments of, 569. Comparison of the temperature at, with that of Greenwich, 579. S. Sabine (Lieut.-Col. R.A.). On the means adopted in the British Colonial Magnetic Observatories for determining the Absolute Values, Secular Change, and Annual Variation of the Magnetic Force, 201. Salts, double, diffusion of, 21. Salts, various, diffusion of, 8. Sciurus niger, on the dental structures in, 535. Sea-sickness, on its effect on the temperature of the body, 445. Separation of salts by diffusion, 16. Ship-building, conclusions applicable to, from experiments and considerations on the dynamical stability, and on the oscillations of floating bodies, 632. Ships, on the rolling of, 611; on the dynamic stability of, 612. Soda, salts of, diffusion of, 40. Spalax typhlus, on the dental structures in, 541. Stenhouse (Dr. John). On the Nitrogenated Principles of Vegetables as the Sources of Artificial Alkaloids, 47. ——— ———. On the Oils produced by the Action of Sulphuric Acid upon various Classes of Vegetables, 467. Sulphuric acid, on the oils produced by the action of, upon various classes of vegetables, ibid. Sykes (Lieut.-Col. W. H.). Discussion of Meteorological Observations taken in India, at various heights, embracing those at Dodabetta, on the Neelgherry Mountains, at 8640 feet above the level of the Sea, 297. T. Tadpole of the Triton and the Frog, on the influence of physical agents on the development of, 431; of the Triton, ibid.; of the Frog, 432. On the influence of atmospheric air, ibid.; of food, 433; of temperature, 434; of light, 435. Tamias Lysteri, on the dental structures in, 538. Teeth, a system of notation for, in the Class Mammalia, 481. Teeth, molar, in the Wart-Hogs (Phacochoerus), on the development and homologies of, 481. Temperature of India, observations on, 323–335. Temperature of Man within the Tropics, on the, 437; variation of, during the twenty-four hours, ibid.; during different seasons of the year, 439; of the effect of active exercise and of rest after exercise, 440; of the effect of carriage exercise and of gentle walking exercise, 441; of the effect of change of temperature of the atmosphere, 442; of the effect of excited and sustained attention, 443; of the effect of cool and heated rooms, 444; of the effect of sea-sickness, 445; of the effect of the temperature at sea, 446. Thames, mean monthly temperature of the water of the, 576. Thermometer apparatus, self-registering, 83. Thermometrical observations (on the reduction of) made at the Apartments of the Royal Society and at the Royal Observatory, Greenwich, &c., 569. Thiofucusol, 473. Tides, researches on, 227. Tomes (John, Esq.). On the Structure of the Dental Tissues in the Order Rodentia, 529. Toronto, Magnetic Observatory at, 205. Triethylamine, formation of, 121. Tropics, on the temperature of man within the, 437. Typanum and palate of the Crocodilia, communications between them, 526. U. Urine, Contributions to the Chemistry of. On chylous urine, 551. On the influence of rest and motion in lessening or increasing the albumen in the urine previous to and after food was taken, 655. Uterus, on the changes which take place in the structure of, during utero-gestation, 518. V. Vegetables, on the action of sulphuric acid upon, and the oils produced thereby, 467. Veins, Great Anterior, in Man and Mammalia, on the development of, 133. Metamorphosis of the primitive lateral and symmetrical venous trunks, 137; development in the Sheep, 137; in Man, 141. Comparative view of those veins in Man and Mammalia, 148. Analysis of the varieties of these veins in Man, 153. Vital and Physical Forces, on the mutual relations of, 727. Volatile organic bases, on the molecular constitution of, 93. W. Waller (Dr. Aug.). Experiments on the Section of the Glossopharyngeal and Hypoglossal Nerves of the Frog, and observations of the alterations produced thereby in the Structure of their Primitive Fibres, 423. Wart-Hogs (Phacocheirus), on the development and homologies of the molar teeth of, 481. Wet-bulb thermometer, observations on, in India, 336 et seq. Whewell (Rev. W., D.D.). Researches on the Tides.—Fourteenth Series, 227. Winds, observations on, in India, 368-372. Woods, various, on the strength of direct cohesion in, 684. Wrought-iron plates, on the strength of, 677. LONDON: PRINTED BY RICHARD AND JOHN E. TAYLOR, RED LION COURT, FLEET STREET. PRESENTS RECEIVED BY THE ROYAL SOCIETY, WITH THE NAMES OF THE DONORS. From November 1849 to June 1850. PRESENTS. DONORS. ACADEMIES and SOCIETIES. Abbeville:— Mémoires de la Société d'Émulation. 8vo. Abbeville 1849. The Society. 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Stockholm:— Årsberättelser om Botaniska Arbeten och Upptackter för åren 1843 och 1844, till Kongl. Vetenskaps-Akademiens, af J. E. Wikström. Förra & sedanare Delen. 8vo. Stockholm 1849. Royal Academy of Sciences at Stockholm. Årsberättelse om Technologiens Framsteg, till Kongl. Vetenskaps-Akademiens, afgiven den 31 Mars 1842–44, 1846, af G. E. Pasch. 8vo. Stockholm 1849. Översigt af Kongl. Vetenskaps-Akademiens Förhandlingar. Arg. 5. Nos. 7 to 10, 1848. Kongl. Vetenskaps-Akademiens Handlingar för är 1847–48. 8vo. Stockholm 1849. Några reflexioner i anledning af kemins studium och om denna vetenskaps ställning i staten. Tal: af L. F. Svanberg. 8vo. Stockholm 1849. Årsberättelse om Framstegen i Kemi under är 1847 afgiven till Kongl. Vetenskaps-Akademiens, af L. F. Svanberg. 8vo. Stockholm 1849. Toulouse:—Mémoires de l'Académie de Toulouse. Tomes IV. V. VI. and Tome I. 3rd Series. 8vo. Toulouse 1837–39, 1843–44. The Academy. Turin:—Memorie della Reale Accademia delle Scienze di Torino. Tomo X. 4to. Torino 1849. The Academy. Utrecht:— Scheikundige Onderzoekingen Gedaan in het Laboratorium der Utrechtsche Hoogeschool. 5de Deel. 6 & 7de Stuk. 8vo. Rotterdam 1850. The High School of Utrecht. AIRY (G. B.) Astronomical Observations made at Greenwich in 1847. 4to. London 1849. The Admiralty. Catalogue of 2156 Stars, formed from the Observations made during Twelve Years, from 1836 to 1847, at the Royal Observatory, Greenwich. 4to. London 1849. Magnetical and Meteorological Observations made at the Royal Observatory, Greenwich, in 1847. 4to. London 1849. PRESENTS. ANONYMOUS:— A Congratulatory Address to Mr. Robert Brown, from the Royal Botanical Society of Ratisbon, on that gentleman being elected President of the Linnean Society. Anatomical Drawings selected from the Collection of Morbid Anatomy in the Army Medical Museum at Chatham. 5th Fasciculus. fol. London 1850. A Natural Scale of Heights, constructed by Miss Colthurst. A sheet. Annales des Mines. Tomes XIII. to XVI. 8vo. Paris 1848–49. Annales Hydrographiques, Années 1848–49. Tome I. 8vo. Paris 1849. Annuaire des Marées des Côtes de France pour 1848–49. 12mo. Paris 1848–49. Arctic Papers, published by the Admiralty. Buildings and Monuments, edited by G. Godwin, F.R.S. Parts 3 to 6. fol. London 1849. Catalogue of the Calcutta Public Library, and Report thereon. 8vo. Calcutta 1846. Die Fortschritte der Physik im Jahre 1847. Redigirt von Professor Karsten. 8vo. Berlin 1849. Flora Batava. Nos. 150, 151, 159, 161, 162. 4to. Further Report on the proposed Great Exhibition of Industry, by the Executive Committee. fol. London 1849. Index to the Additional Manuscripts in the British Museum. fol. London 1849. Letter to Lord John Russell on the Constitutional Defects of the University and Colleges of Oxford. By a Member of the Oxford Convocation. 8vo. London 1850. List of the Fellows and Members of the Royal College of Surgeons for 1849. 8vo. London 1849. Magnetic and Meteorological Observations made under the direction of A.D. Bache, 1840–1845. 3 vols. and Atlas. 8vo. Washington 1847. Observations Météorologiques faites à Nijne Taguilsk en 1846–47. 8vo. Paris 1846–47. Quarterly Reports of the Registrar-General. Nos. 2 to 5. 8vo. London 1849–50. Report of the Commissioners appointed to inquire into the application of Iron to Railway Structures. fol. London 1849. Plans accompanying the Report. Report of the Commissioner of Patents for the United States. 8vo. Washington 1848. Report of the Eleventh French Exposition of the Products of Industry. fol. London 1849. Report of the General Board of Health on the Supply of Water to the Metropolis. 8vo. London 1850. Report on a General Scheme for Extramural Sepulture. 8vo. London 1850. Report on the Nature and Import of certain Microscopic Bodies found in the Intestinal Discharges of Cholera. Presented to the Cholera Committee of the Royal College of Physicians of London, by their Sub-Committee, on Oct. 17, 1849. 8vo. London 1849. DONORS. Dr. Wallich, F.R.S. Sir James MacGrigor, Bart. G.B. Greenough, Esq., F.R.S. Bureau des Mines, Paris. Bureau des Longitudes. The Admiralty. The Editor. The Library. Dr. Du Bois-Reymond. The King of the Netherlands. The Committee. The Trustees of the British Museum. The Author. The College. Dr. Forbes, F.R.S. Prince Demidoff. The Registrar-General. The Commissioners. The Commissioner. D. Wyatt, Esq. The Commissioners of the General Board of Health. The College of Physicians. ANONYMOUS (continued). Tableau général des Phares et Fanaux des Côtes de Hollande et de Belgique. 8vo. Paris 1849. The Helix considered as a Propeller of Steam Vessels. 8vo. New York 1849. The Sanitary Movement. 8vo. Edinburgh 1850. The Zoology of the Voyage of H.M.S. Samarang. Nos. 4, 5. 4to. London 1849. Weekly and Quarterly Reports of the Registrar-General for 1849. ANSTED (D. T.) An Elementary Course of Geology, Mineralogy and Physical Geography. 8vo. London 1850. ART (Works of, &c.). A Wire which vibrates in a Parabolic Curve. Original Drawing of Sir Isaac Newton, made for Roubiliac's Statue of that Philosopher at Cambridge. ATKINS (Mrs.) The British Alge. Parts 11 and 12. 4to. BARBIER (J. B. G.) Quelques Réflexions sur la Psychologie. 8vo. Paris 1849. BEAUTEmps-BEAUPRÉ (C. F.) Rapports sur les Rades, Ports et Mouillages de la Côte Orientale du Golfe de Venise. 8vo. Paris 1849. BEKE (C. T.) On the Geographical Distribution of the Languages of Abessinia and the neighbouring Countries. 8vo. Edinburgh 1849. On the Sources of the Nile. 8vo. London 1849. Ueber die geographische Verbreitung der Sprachen von Abessinien und der Nachbarländer. BEROABLO (N.de.) L'Armonia Universale in sesta Rima. 4to. Vienna 1846. Repulsione Centrale, Opera a complimento del Poema 'l'Armonia Universale.' 4to. Vienna 1849. BIBO (H.) Erfindung und Bearbeitung einer neuen, durch die 2 gleichmässig ohne Brüche theilbaren Decimal-Rechnung, aus einem neuen Zahlensysteme hergeleitet. 8vo. Berlin 1850. BILLING (Dr.) Principles of Medicine. 5th edit. 8vo. London 1850. BIOT (J. B.) Une Anecdote relative à M. Laplace. 4to. BLAIR (Daniel) Some Account of the last Yellow Fever Epidemic of British Guiana. 8vo. London 1850. BOURNE (John.) A Report on Indian River Navigation. 8vo. London 1849. A Catechism of the Steam Engine. 8vo. London 1850. BRODIE (Sir B. C.) Lectures on the Diseases of the Urinary Organs. 8vo. London 1849. Pathological and Surgical Observations on the Diseases of the Joints. 8vo. London 1850. BRYSON (Dr.) Statistical Reports of the Health of the Royal Navy. fol. London 1850. BUCHNER (L. A.) Ueber den Anteil der Pharmacie an der Entwicklung der Chemie. 4to. München 1849. BUSCH (A. L.) Verzeichniss sämtlicher Werke, Abhandlungen, Aufsätze und Bemerkungen von F. W. Bessel. 4to. Königsberg 1849. Astronomische Beobachtungen auf der Königlichen Universität-Sternwarte in Königsberg im 1843–8. fol. Königsberg 1848. Donors. Dépôt de la Marine. The Author. The Author. The Editors. The Registrar-General. The Author. Mr. Perigal. Rev. C. Turnor, F.R.S. The Author. The Author. Bureau de la Marine. The Author. The Author. The Author. Sir W. Burnett, M.D. Acad. of Sciences, Munich. The Author. PRESENTS. CARAMAN (Le Duc de.) Histoire des Révolutions de la Philosophie en France pendant le moyen âge, jusqu'au 16me siècle. Vol. III. 8vo. Paris 1848. COX (C. J.) On the Ravages committed by the Scolitus Destructor and Larva of the Cossus Ligniperda. 4to. London 1848. CURLING (T. B.) Article Testicle, from the Cyclopædia of Anatomy and Physiology. 8vo. DANA (J. D.) On the Isomorphism and Atomic Volume of some Minerals. The Author. DARONDEAU (B.) Mélanges Hydrographiques. Tomes I. II. III. 8vo. Paris 1846–7–8. DELESSE (A.) Recherches sur le Porphyre Quartzifère. Bureau des Mines. Recherches sur l'Euphotide. Sur le Pouvoir Magnétique des Roches. Sur la Constitution Minéralogique et Chimique des Roches des Vosges. DEMIDOFF (Prince.) Voyage dans la Russie Méridionale et la Crimée. Livraisons 13 to the end. fol. DE MORGAN (A.) Method of Integrating Partial Differential Equations. Cambridge Phil. Society. 4to. Cambridge 1848. DIXON (R. V.) A Treatise on Heat. Part 1. 8vo. Dublin 1849. DOLLEN (W.) Neue Reduction der Königsberger Declinationen für 1820. 4to. St. Petersburg 1849. EENENS (M.) Mémoire sur la Fertilisation des Landes. 8vo. Bruxelles 1849. EMIL DU BOIS-REYMOND. Untersuchungen über Thierische Elektricitat. 2 vols. 8vo. Berlin 1848. ENCKE (J. F.) Astronomisches Jahrbuch für 1852. 8vo. Berlin 1849. FALCONER (H.) and CAUTLEY (P. T.) Fauna Antiqua Sivalensis. Parts 1 to 9. fol. Text, Part 1. London 1845–9. FALLOWS (F.) Cape Observations, 1829–31. 4to. London 1850. FARREN (Edwin James.) Life Contingency Tables. Part 1. The Astronomer Royal. FELLOCKER (S.) Verzeichniss der von Bradley, Piazzi, Lalande und Bessel beobachteten Sterne in dem Theile des Himmels zwischen 6h 56' bis 8h 4' gerader Aufsteigung und 15° südlicher bis 15° nördlicher Abweichung berechnet. With a sheet. fol. Berlin 1848. FOURCAULT (A.) Causes générales des Maladies chroniques. 8vo. Paris 1844. FROST (James.) Description of the Causes of the Explosion of Steam-Boilers. 8vo. New York 1848. FUSINIERI (Dr.) Memorie sopra la Luce, il Calorico, l'Elettricità, il Magnetismo, l'Elettro-Magnetismo ed altri Oggetti. 4to. Padova 1846. Memorie di Meteorologia. 4to. Padova 1847. FUSS (P. H.) Ueber L. Euleri Commentationes Arithmeticæ Collectæ. 8vo. Petrop. 1848. GALTON (F.) The Telotype, a Printing Electric Telegraph. 8vo. London 1850. GARNER (R.) Natural History of the County of Stafford. 8vo. London 1844. GILBART (J. W.) Practical Treatise on Banking. 2 vols. 8vo. London 1849. A Lecture on the Philosophy of Language. 8vo. London 1850. DONORS. The Author. The Author. The Author. The Author. Bureau de la Marine. Bureau des Mines. The Author. Cambridge Phil. Society. The Author. The Author. The Observatory of Berlin. The Ordnance Survey. The Astronomer Royal. The Author. The Author. The Author. The Author. The Author. PRESENTS. GILLISS (J. M.) The Longitude of Washington, computed from the Moon's Culminations, observed during the years 1839 to 1842, inclusive. 4to. Philadelphia 1849. GLYNN (Joseph.) Rudimentary Treatise on the Construction of Cranes. 8vo. London 1849. GUEST (Edwin.) On the Early English Settlements in South Britain. 8vo. London 1850. HALDAT (M.) Traité d'Optique Oculaire. 8vo. Paris 1849. ——— Essai historique sur le Magnétisme. 8vo. Nancy 1849. HAUGHTON (S.) On the Rotation of a Solid Body round a fixed point. 4to. Dublin 1849. ——— On a Classification of Elastic Media, and the Laws of Plane Waves propagated through them. 4to. Dublin 1849. HOGG (John.) Remarks and Additional Views on Dr. Lepsius' Proofs that Mount Serbal is the true Mount Sinai. Map to ditto. 8vo. London 1849. HOWARD (Luke.) Essay on the Modifications of Clouds. 8vo. London 1832. ——— Papers on Meteorology. 4to. London 1850. JACUBOWITSCH (N.) De Saliva. 8vo. Dorpat 1848. JAMES (C.) Voyage scientifique à Naples, avec M. Majendie en 1843. 8vo. Paris 1844. ——— Études sur l'Hydrothérapie. 8vo. Paris 1846. ——— De l'Emploi de l'Électricité Galvanique dans le traitement de certaines Paralysies des Membres inférieures. 8vo. Paris 1849. JELINCK (C.) Bahnbestimmung des von de Vico am 24 Jänner 1846 entdeckten Cometen. 4to. Wien. ——— Meteorologische Beobachtungen an der Wiener Sternwarte im Jahre 1839. JELINCK (C.) und HORNSTEIN (C.) Cometen-Beobachtungen an der Wiener Sternwarte 1835–6 und 1843–6. 4to. Wien. JOHNSON (M. J.) Astronomical Observations made at the Radcliffe Observatory, Oxford, in 1847. 8vo. Oxford 1849. Ditto in 1848. 8vo. 1850. JOHNSTON (J. F. W.) Contributions to Scientific Agriculture. 8vo. London 1849. JOURNALS:— The American Journal of Science and Arts. Vol. IX. Nos. 25 to 27. 8vo. Newhaven. The Astronomical Journal. Nos. 1 to 4. 4to. Washington 1850. The Athenæum. The Builder, Vol. VIII. Parts 1 to 6. The Journal of the Indian Archipelago and Eastern Asia. Nos. 1 and 4, Vol. IV. Nos. 3 to 9, Vol. III. 8vo. The Literary Gazette. The Philosophical Magazine, from Jan. 1846 to June 1850. KELLER (A. F.) Des Typhons de 1848. 8vo. Paris 1849. KENNEDY (R. H.) De Clifford, a Romance of the Red Rose. A Poem, in 12 books. 8vo. London 1824. ——— Narrative of the Campaign of the Army of the Indus in Sind and Kaubool in 1838–9. 2 vols. 8vo. London 1840. DONORS. The Author. The Author. The Author. The Author. The Author. The Author. The Author. The Author. The Author. The Author. The Authors. The Radcliffe Trustees. The Editor. The Editor. The Editor. The Editor. Richard Taylor, Esq. Dépôt de la Marine. The Author. PRESENTS. KENNEDY (R. H.) Notes on the Epidemic Cholera. 8vo. London 1846. KERHALLET (C. P. de) Description Nautique de la Côte Occidentale d'Afrique. 8vo. Paris 1849. KOKSCHAROW (N.v.) Ueber Brookit-Krystalle vom Ural. 8vo. St. Petersburg 1849. KRECKE (F. W. C.) Description de l'Observatoire Météorologique et Magnétique à Utrecht. 8vo. Utrecht 1850. KREIL (K.) Magnetische und Geographische Ortsbestimmungen im Österreichen Kaiserstaate für 1847 und 1848. 4to. Prag 1849–50. — Magnetische und Meteorologische Beobachtungen zu Prag 1848. 4to. Prag 1850. — Ueber den Einfluss der Alpen auf die Aeusserungen der magnetischen Erdkraft. fol. Wien 1849. KUPFFER (A.) Annaire Magnétique et Météorologique du corps des Ingénieurs des Mines. Année 1846. 4to. St. Pétersbourg 1849. LAMONT (J.) Annalen der Königlichen Sternwarte bei München. 8vo. München 1849. LASSELL (W.) Description of a Machine for Polishing Specula. 4to. London 1849. LEE (Robert.) Memoirs on the Ganglia and Nerves of the Uterus. 4to. London 1849. LE VERRIER (U. J. J.) Rapport sur l'établissement de nouvelles Lignes de Télégraphie Électrique. LINDHAGEN (Dr.) Ueber die Genauigkeit der in Lalandes Catalog. 8vo. St. Petersburg 1849. LITTROW (C. L. von.) Annalen der Sternwarte in Wien. Tomes V.—IX. 4to. LOVELACE (Earl of.) On the Construction of a Collar Roof. 8vo. London 1849. LUBBOCK (Sir J. W., Bart.) On the Theory of the Moon. Part 8. 8vo. London 1849. LYELL (Sir Charles.) Address delivered at the Anniversary Meeting of the Geological Society of London, on the 15th February 1850. 8vo. London 1850. MANTELL (G. A.) Thoughts on a Pebble. 8vo. London 1849. MAPS, CHARTS, &c.: The Charts and Sailing Directions published by the Admiralty during 1850. Thirty-seven Maps and Charts from French Surveys. Two Maps of Isothermal Lines. MARCET (F.) Cours de Physique Expérimentale. 8vo. Paris 1850. MARTIN (F.) Mémoire sur l'Étiologie du Pied-Bot, et Atlas. 8vo. Paris 1839. — Mémoire sur l'Amputation sus-Malléolaire. 4to. Paris 1842. — Essai sur les Appareils Prothétiques. 8vo. Paris 1850. MARTIN (J.) Outline of a Comprehensive Plan for diverting the Sewage of London and Westminster from the Thames, and applying it to Agricultural Purposes. 8vo. London 1850. MATTEUCCI (C.) Mémoire sur la Propagation de l'Électricité dans les Corps Solides Isolants. DONORS. The Author. Dépôt de la Marine. The Author. The Author. The Observatory. The Author. The Author. The Author. The Author. The Observatory. The Author. The Author. The Author. The Author. The Admiralty. Dépôt de la Marine. H. W. Dove. The Author. The Author. The Author. PRESENTS. MATZKA (W.) Versuch einer richtigen Lehre von der Realität der vor- geblieblich imaginären Grössen der Algebra, oder einer Grundlehre von der Ablenkung algebraischer Grossenbeziehungen unternommen. 4to. Prag 1850. MAURY (Lieut.) Circular prepared by direction of the Hon. W. B. Preston, in relation to the Astronomical Expedition to Chile. 4to. Washington 1849. MAYO (T.) Outlines of Medical Proof, revised and corrected. 8vo. London 1850. MIERS (John.) Illustrations of South American Plants. Parts 1—4. 4to. London 1846. MINERVINI (G.) Dell' Epilessia. 8vo. Napoli 1847. MINERVINI (R.) Soluzione di un Problema Geometrico Piano della Classe de' Problemi detta da' Geometri Greci νευρονων delle Inclinazioni. 8vo. Napoli 1849. MISCELLANEOUS: The original Model of the Safety Lamp made by Sir Humphry Davy's own hands, and given by him to James Prince Lee, D.D., Lord Bishop of Man- chester. MOON (R.) The New Equation in Hydrodynamics. 8vo. Cambridge 1850. MORTON (S. G.) Catalogue of Skulls of Man and the Inferior Animals. 8vo. Philadelphia 1849. Observations on the Size of the Brain in various races and families of Man. 8vo. Philadelphia 1849. Additional Observations on a new living species of Hip- popotamus. 4to. Philadelphia 1849. MÜLLER (Dr.) (Editor.) Rig-Veda-Sanhita. The Sacred Hymns of the Brahmans. Vol. I. 4to. London 1849. NICOL (James.) Manual of Mineralogy. 8vo. Edinburgh 1849. OHM (G. S.) Elemente der Analytischen-Geometrie im Raume am schief- winkeligen Coordinatensysteme. 4to. Nürnberg 1849. ORLEBAR (A. B.) Observations made at the Magnetical and Meteorolo- gical Observatory at Bombay in 1846. 4to. Bombay 1849. OVEREND (G.) Extraordinary New Steam-Engines. 8vo. PARAVEY (C. de.) Réfutation de l'Opinion émise par M. Jomard, que les Peuples de l'Amérique n'ont jamais eu aucun rapport avec ceux de l'Asie. 8vo. Paris 1848. Mémoire sur la Découverte très-ancienne en Asie et dans l'Indo-Perse de la Poudre à Canon et des Armes à Feu. 8vo. Paris 1850. PARKER (W.) The Physiological and Scientific Treatment of Cholera. 8vo. London 1849. PARLATORE (Filippo.) Viaggio alla Catena del Monte Bianco e al Gran San Bernardo. 8vo. Firenze 1850. Flora Italiana. Fasc. 1. 8vo. Firenze 1848. PERIGAL (H.) Notes on Revolution and Rotation with reference to the Motions of the Moon and of the Earth. 8vo. London 1846–9. Contributions to Kinematics. PETERS (C. A. F.) Über Professor Mädler's Untersuchungen über die Eigene Bewegungen der Fixsterne. 4to. St. Petersburg 1848. DONORS. The Author. Lieut. Gilliss. The Author. The Author. Joseph Hodgson, Esq., F.R.S. The Author. The Author. The East India Company. The Author. The Author. The Hon. Directors of the East India Company. The Author. The Author. The Author. The Author. PRESENTS. PIROGOFF (N.) Anatomie Pathologique du Choléra Morbus. fol. St. Petersbourg 1849. PLANTAMOUR (E.) Observations Astronomiques faites à l'Observatoire de Genève dans l'année 1847. 4to. Genève 1849. Résumé Météorologique de l'année 1847–8 pour Genève et le Grand St. Bernard. 8vo. Genève 1848–9. PLATEAU (J.) Note sur une nouvelle Application curieuse de la Persistance des Impressions de la Rétine. Recherches sur les Figures d'Équilibre d'une Masse liquide sans pesanteur. 4to. Bruxelles 1849. PORTA (L.) Delle Malattie e delle Operazioni della Ghiandola Tiroidea. 4to. Milano 1849. PORTER (G. R.) The Nature and Properties of the Sugar Cane. 8vo. London 1843. PORTRAITS: Portrait in Lithograph of Sir J. P. Boileau, F.R.S. Prince Lucien Bonaparte. J. S. Bowerbank, Esq., F.R.S. Marquis of Bristol. Edward Forster, Esq., F.R.S. The Rev. Wm. Kirby, F.R.S. Sir R. I. Murchison, F.R.S. Robert Patterson, Esq. Rev. Edwin Sidney. William Spence, Esq., F.R.S. William Thompson, Esq. Portrait in Oil of John Hunter, F.R.S., by Edward Home. J. Ramsden, F.R.S. POWELL (B.) On Irradiation. QUETELET (A.) Rapport sur l'État et les Travaux de l'Observatoire Royal pendant l'année 1848. 8vo. Bruxelles 1848. Annales de l'Observatoire Royal de Bruxelles. Tome VII. 4to. Bruxelles 1849. Sur le Climat de la Belgique. Tome I. 4to. Bruxelles 1849. Observations des Phénomènes Périodiques. 4to. Bruxelles 1849. RATHKE (H.) Ueber die Entwicklung der Schildkröten. 4to. Braunschweig 1848. REEVE (Lovell.) Conchologia Iconica. Monographs of the Genus Achatina—Chama—Dolium—Cassis—Voluta—Eburna—Buccinum—Bulimus—Conus—Bulla—Chitonellus—Cassidaria—Chiton—Isocardia—Mitra—Ficula—Pectunculus—Oniscia—Fusus—Fasciolaria—Mangelia—Hemipecten—Monoceros—Eglisia—Mesalia—Haliotis—Purpura—Turbo—Ranella—Ricinula—Pyrula—Turbinella—Turritella—Paludomus. REGNAULT (V.) Cours Élémentaire de Chimie. 4 vols. 8vo. Paris 1849–50. DONORS. The Author. The Author. The Author. The Author. George Ransome, Esq. Sir Everard Home, F.R.S. The Author. The Author. The Observatory. The Author. The Author. PRESENTS. REGNAULT (V.) et REISET (J.) Recherches Chimiques sur la Respiration des Animaux des diverses Classes. 8vo. Paris 1849. REID (Lieut.-Col.) The Progress of the Development of the Law of Storms. 8vo. London 1849. REMAK (R.) Neurologische Erläuterungen. 8vo. Berlin. RICHARDSON (James.) The Cruisers; being a Letter to the Marquis of Lansdowne, in defence of Armed Coercion for the Extinction of the Slave Trade. 8vo. London 1849. ROBERTS (Henry.) The Dwellings of the Labouring Classes; their Arrangement and Construction. 8vo. London 1850. ROYLE (J. F.) Report on the Progress of the Culture of the China Tea Plant in the Himalayas from 1835 to 1847. 8vo. London 1849. SABINE (Lieut.-Col.) Directions for the use of a small Apparatus to be employed with a Ship's Standard Compass. 8vo. London 1849. SCHMIDT (C.) Der Diagnostik Verdächtiger Flecke in Criminalfällen. 8vo. Leipzig 1848. SMEE (Alfred.) Principles of the Human Mind. 8vo. London 1849. SMEE (Alfred.) Instinct and Reason: deduced from Electro-Biology. 8vo. London 1850. SMYTH (C. P.) Astronomical Observations made at the Royal Observatory, Edinburgh, by the late Thomas Henderson, Esq. Vol. VIII. 1842. 4to. Edinburgh 1849. SPINOLA (J. y) and CHALUZ DE VERNEVIL (F. T. A.) The Gen-euphonic Grammar. 8vo. London 1850. STANNIUS (H.) Das peripherische Nervensystem der Fische. 4to. Rostock 1849. STAUNTON (Sir George, Bart.) Miscellaneous Notices relating to China. 8vo. London 1822-50. STEVENSON (W. F.) The Composition of Hydrogen and the Non-Decomposition of Water incontrovertibly established. Second Edition. 8vo. Dublin 1849. STRATFORD (Lieut.) The Nautical Almanac for 1853. 8vo. London 1850. STRUVE (W.) Rapport fait à l'Académie Impériale des Sciences, sur une Mission Scientifique en 1847. SUR LA DILATATION DE LA GLACE. 4to. St. Pétersbourg 1848. BESCHREIBUNG DER ZUR ERMITTELUNG DES HOHENUNTERSCHIEDES ZWISCHEN DEM SCHWARZEN UND DEM CASPISCHEN MEERE. 4to. St. Petersburg 1849. SYKES (Lieut.-Col.) Contributions to the Statistics of Sugar. SYMonds (J. A.) Some Account of the Life, Writings and Character of the late J. C. Prichard, M.D., F.R.S. 8vo. Bristol 1849. TAYLOR (T. G.) Astronomical Observations made at the East India Company's Observatory, Madras, in 1843-7. TEMMINCK (C. J.) Coup-d'œil général sur les Possessions Néerlandaises dans l'Inde Archipelagique. Tome III. 8vo. Leide 1849. THURMANN (Jules.) Essai de Phytostatique appliqué à la Chaîne du Jura. 2 vols. 8vo. Berne 1849. DONORS. The Authors. The Author. The Author. The Author. The Author. The Author. The Author. The Royal Observatory, Edinburgh. The Author. Lieut. Stratford, F.R.S. The Author. The Author. The East India Company. J. E. Gray, Esq. The Author. PRESENTS. TOYNBEE (J.) Pathological Researches into the Diseases of the Ear. 8vo. London 1849. TWINING (Elizabeth.) Illustrations of the Natural Orders of Plants, arranged in Groups, with Descriptions. Parts 1 to 6. fol. London 1849. WALKER (C. V.) Electric Telegraph Manipulation. 8vo. London 1850. WATERSTON (J. J.) An Account of a Mathematical Theory of Gases. WELD (Charles Richard.) Arctic Expeditions: a Lecture delivered at the London Institution, Feb. 6, 1850, with a Map. 8vo. London 1850. Auvergne, Piedmont, and Savoy: a Summer Ramble. 8vo. London 1850. WHITE (Walter.) Arctic Explorations. 8vo. Edinburgh 1850. WILLICH (C. W.) Annual Supplement to Tithe Commutation Tables for 1850. ZANTEDESCHI (F.) Risposta ai Signori E. Knoblauch sulla Esistenza delle linee longitudinali nello Spettro Solare. 8vo. Roma 1849. Annali di Fisica. Part 4. Donors. The Author. R. Twining, Esq., F.R.S. The Author. The Author. The Author. The Author.