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INDEX TO THE PHILOSOPHICAL TRANSACTIONS FOR THE YEAR 1841. A. Airy (George Biddell, Esq.). Supplement to a paper "On the theoretical explanation of an apparent new polarity in light," 1. America, magnetic observations on the west coast of, and the adjacent islands, 11. Animal tissues, researches tending to prove the non-vascularity and peculiar uniform mode of organization and nutrition of certain, viz. articular cartilage and the cartilage of different classes of fibro-cartilage; the cornea, the crystalline lens, and the vitreous humour; and the epidermoid appendages, 159. The first class of non-vascular animal tissues: articular cartilage and fibro-cartilage, 162. 1. Articular cartilage, 163. 2. Fibro-cartilage, 174. The second class of non-vascular animal tissues: of the cornea, the crystalline lens, and the vitreous humour, 178. Attractions, on the calculation of, and the figure of the earth, 75. B. Bakerian Lecture, 99. Barometer, on a cycle of eighteen years in the mean annual height of the, in the climate of London; and on a constant variation of the barometrical mean according to the moon's declination, 277. Barometer, note on an inequality in the height of the, of which the argument is the declination of the moon, 73. Barometrical averages (table of), on successive solar years, from 1815 to 1832, constructed to show the moon's influence on the mean height, varying according to her declination, 277. ——— (table of), on successive cycles of nine years, classed according to the moon's place in declination, 278. Barometrical mean in our climate is depressed (on an average of years) by the moon's position in south declination, 279. Barry (Martin, M.D.). Supplementary note to a paper entitled "Researches in Embryology. Third series: a contribution to the physiology of cells," 193. ——— On the chorda dorsalis, 195. ——— On the corpuscles of the blood. Part II., 201. ——— On the corpuscles of the blood. Part III., 217. Belcher (Captain, R.N.). Magnetic observations on the west coast of America and the adjacent islands, 11. MDCCCXLII. Blindness, congenital, on the cure of, with physiological observations, 59. Blood, corpuscles of the, on the, Part II., 201. Blood corpuscle, compound form of its nucleus, 202. Orifice in the membrane of the, 204. Analogy with the germinal vesicle, *ibid.* Observations on, made by Di Torre in 1761, *ibid.* Some of them confirmed, 205. Appendix, 206. Difference in the form of the blood-corpuscle in the mammal and that of other vertebrata, 207. One cause of this difference, *ibid.* The disc the most primitive object we are acquainted with, 209. Explanation of the plates, 210. Blood, corpuscles of the, on the, Part III., 217. Every structure arises out of corpuscles having the same appearance as corpuscles of the blood, *ibid.* The globules of pus derived from corpuscles of the blood: mucus-globules compared with them, 219. Epithelium-tables, cells and cylinders compared with them, 223. The elements of the pigmentum nigrum, and those of the ciliary processes compared with them, 225. The primitive discs exhibit an inherent contractile power, 226. The nuclei of blood-corpuscles furnish themselves with cilia, revolve, and perform locomotion, *ibid.* Molecular motions discernible within blood-corpuscles, 227. The elements of blood-vessels compared with them, 228. The elements of cellular tissue compared with them, 229. The elements of the corpus luteum derived from them, 230. The elements of cartilage and other tissues compared with them, 231. The elements of nervous tissue compared with them, 232. The elements of muscular tissue compared with them, 235. The elements of the crystalline lens compared with them, 236. The elements of the spermatozoon and those of the ovum compared with them, 241. Recapitulation, 244. Postscript, *ibid.* Explanation of the plates, 246. Blood-vessels, the elements of, compared with corpuscles of the blood, 228. Bowman (William, Esq.). Additional note on the contraction of voluntary muscle in the living body, 69. Brewster (Sir David, K.H.). On a remarkable property of the diamond, 41. On the phenomena of thin plates of solid and fluid substances exposed to polarized light, 43. C. Cartilage (articular), researches tending to prove the non-vascularity and the peculiar uniform mode of organization and nutrition of, and the cartilage of different classes of fibro-cartilage, 159. First stage of development of, 163. Second stage, 165. Adult, 169. (Fibro-), of the structure of, 174. First and second class of, *ibid.* Structure of first class of, 175. Structure of second class, 176. Vessels of first class, 177. Vessels of the second class, 178. 1. The cornea, 179. 2. The crystalline lens, 183. 3. The vitreous body or humour, 184. The third class of non-vascular animal tissues: of the epithelium, the epidermis, nails and claws, hoofs of various kinds, hair and bristles, feathers, horn and teeth, 185—188. Explanation of the plates, 189. Cartilage, the elements of, compared with corpuscles of the blood, 231. Cellular tissue, the elements of, compared with corpuscles of the blood, 229. Chorda dorsalis, on the, 195. Growth of the, at the earliest periods, in what it consists, 199. Chorion, further particulars respecting its formation out of cells, 193. Ciliary processes, the elements of the, compared with corpuscles of the blood, 225. Circle, computation of the ratio of the diameter to the circumference to 208 places of decimals, 281. Claws, the, one of a class of non-vascular animal tissues, 185. INDEX. Cornea, the, a non-vascular animal tissue, 178. Structure of, 179. Of the vessels which nourish it, 180. Corpus luteum, the elements of the, derived from corpuscles of the blood, 230. Crystalline lens, the, a non-vascular animal tissue, 178. Structure of, 183. Of the blood-vessels which nourish it, ibid. Crystalline lens, the elements of the, compared with corpuscles of the blood, 236. D. Dalrymple (John, Esq.). Letter to Dr. Lee on the nerves of the uterus, 272. Diamond, on a remarkable property of the, 41. Disc. The most primitive object we are acquainted with, 209. Discs, the primitive, in blood-corpuscles exhibit an inherent contractile power, 226. E. Earth, on the figure of the, 75. Embryo, the first rudiments of the, are not two halves, 199. Embryology, researches in. Third Series. Supplementary note to, 193. Epidermis, the, one of a class of non-vascular animal tissues, 185. Epithelium, the, one of a class of non-vascular animal tissues, 185. Epithelium-tables, cells and cylinders, compared with corpuscles of the blood, 223. F. Farquharson (The Rev. James, LL.D.). On ground Gru, or ice formed, under peculiar circumstances, at the bottom of running water, 37. Feathers, the, one of a class of non-vascular animal tissues, 185. Fossil remains, of the Iguanodon, 131; of the Hylaeosaurus, 141; of turtles, 153. Franz (J. C. August, M.D.). Memoir of the case of a gentleman born blind, and successfully operated upon in the 18th year of his age, with physiological observations and experiments, 59. G. Ground Gru, or ice formed, under peculiar circumstances, at the bottom of running water, 37. H. Hair, the, one of a class of non-vascular animal tissues, 185. Hargreave (C. J., Esq.). On the calculation of attractions, and the figure of the earth, 75. Hoofs, the, one of a class of non-vascular animal tissues, 185. Horns, the, one of a class of non-vascular animal tissues, 185. Howard (Luke, Esq.). On a cycle of eighteen years in the mean annual height of the barometer, in the climate of London, and on a constant variation of the barometrical mean according to the moon's declination, 277. Hylaeosaurus, or Wealden lizard, 141. Explanation of plate illustrative of the osteology of the, 150. I. Ice formed, under peculiar circumstances, at the bottom of running water, 37. Iguanodon, memoir on a portion of the lower jaw of the, and on the remains of the Hylæosaurus and other Saurians, discovered in the strata of Tilgate Forest, in Sussex, 131. Portion of the lower jaw of the Iguanodon, 131. Saurian vertebre, 141. Hylæosaurus, 141. Explanation of the plates, 145. Iulus terrestris, organs of reproduction of, 100. Structure of the ovum, 104. Deposition of the ova and habits of the species, 106. Evolution of the embryo, 110. First period of development, 110. Second period, 111. Third period, 116. Fourth period, 121. Fifth period, 126. Sixth period, 128. Iulus terrestris, organs of reproduction, in the male of, 100; in the female of, 102; structure of the ovum in, 104; deposition of the ova, and habits of the species, 106; evolution of the embryo, 110. L. Lee (Robert, M.D.). On the nervous ganglia of the uterus, 269. Lubbock (Sir J. W. Bart.). Note on an inequality in the height of the barometer, of which the argument is the declination of the moon, 73. M. Machines, researches in the theory of, 285. Work, ibid. Modulus of a machine, 289. General form of the modulus, ibid. The modulus of the pulley, 302. Magnetism, terrestrial, contributions to. No. II., 11. § 3. Captain Belcher's observations on the west coast of America and the adjacent islands, 11. § 4. New determination of the magnetic elements at Otaheite, 29. Mantell (Gideon Algernon, Esq.). Memoir on the lower jaw of the Iguanodon, and on the remains of the Hylæosaurus and other Saurians, discovered in the strata of Tilgate Forest, in Sussex, 131. On the fossil remains of turtles, discovered in the chalk formation of the south-east of England, 153. Modulus, of a machine, 289. General form of, ibid.; of the pulley, 302. Moseley (The Rev. Henry). Researches in the theory of machines, 285. Mucus-globules, compared with corpuscles of the blood, 219. Muscle, voluntary, additional note on the contraction of, in the living body, 69. 1. The contraction of a muscle is the essential cause of its own rupture, 70. 2. There is no repellent force between the contractile elements of muscular fibre, 71. Muscular tissue, the elements of, compared with corpuscles of the blood, 235. Myriapoda, on the organs of reproduction, and the development of the, 99. 1. Organs of reproduction in the Iulus terrestris, 100. 2. Structure of the ovum, 104. 3. Deposition of the ova, and habits of the species, 106. 4. Evolution of the embryo, 110. First period of development, 110. Second period, 111. Third period, 116. Fourth period, 121. Fifth period, 126. Sixth period, 128. Recapitulation and conclusions, 128. N. Nails, the, one of a class of non-vascular animal tissues, 185. Nervous tissue, the elements of, compared with corpuscles of the blood, 232. Newport (George, Esq.). On the organs of reproduction, and the development of the Myriapoda. First Series, 99. O. Otaheite, new determination of the magnetic elements at, 29. Ovum, the elements of the, compared with corpuscles of the blood, 241. P. Pigmentum nigrum, the elements of the, compared with corpuscles of the blood, 225. Polarity in light, supplement to a paper "On the theoretical explanation of an apparent new," 1. Polarized light, on the phenomena of thin plates of solid and fluid substances when exposed to, 43. Pulley, modulus of the, 302. Pus-globules, derived from corpuscles of the blood, 219. R. Rutherford (William, Esq.). Computation of the ratio of the diameter of a circle to its circumference to 208 places of figures, 281. S. Sabine (Lieut.-Colonel Edward, R.A.). Contributions to terrestrial magnetism, No. II., 11. Saurians, remains of, discovered in the strata of Tilgate Forest, 141. Spermatozoon, the elements of the, compared with corpuscles of the blood, 241. T. Table of correction for temperature of magnetic needles, 16. ——— of observations with magnetic intensity needles on the west coast of America and the adjacent islands, 18, 23. ——— of observed values of horizontal magnetic intensity, on the west coast of America, &c., 21, 23. ——— of observations of the inclination of the magnetic needle, on the west coast of America and the adjacent islands, 26. ——— of the general results of Captain Belcher's magnetic observations on the west coast of America and the adjacent islands, 28. ——— of observations with magnetic intensity needles at Otaheite, 29. ——— of observed values of the horizontal magnetic intensity at Otaheite, 30. ——— of observations of the magnetic inclination at Otaheite, 30. ——— of the general results of Captain Belcher's magnetic observations at Otaheite, 30. ——— of magnetic declination observed at Matavai Bay, Otaheite, 34. ——— of observations of the magnetic inclination at Point Venus, Otaheite, 35. ——— of barometrical averages on successive solar years, from 1815 to 1832, constructed to show the moon's influence on the mean heights, varying according to her declination, 277. ——— on successive cycles of nine solar years, classed according to the moon's place in declination, 278. Teeth, the, one of a class of non-vascular animal tissues, 185. Thin plates, on the phenomena of, of solid and fluid substances exposed to polarized light, 43. Toynbee (Joseph, Esq.). Researches tending to prove the non-vascularity and peculiar uniform mode of organization and nutrition of certain animal tissues, viz. articular cartilage, and the cartilage of different classes of fibro-cartilage; the cornea, the crystalline lens, and the vitreous humour; and the epidermoid appendages, 159. Turtles, on the fossil remains of, discovered in the chalk formation of the south-east of England, 153. U. Uterus, on the nervous ganglia of the, 269. V. Vitreous humour, the, a non-vascular animal tissue, 178. Structure of the, 184. The vessels of the, ibid. W. Work of a machine, 285. ## PRESENTS RECEIVED BY THE ROYAL SOCIETY, WITH THE NAMES OF THE DONORS. --- From November 1840 to June 1841. | PRESENTS. | DONORS. | |-----------|---------| | **ACADEMIES, &c.** | | | Berlin:— | | | Akademie der Wissenschaften. Abhandlungen für 1838. 4to. Berlin 1840. | The Academy. | | Humboldt (W. von), Ueber die Kawi Sprache. 2 Tom. 4to. Berlin 1840. | | | Bericht, November and December, 1840. | | | Boston.—Natural History Society. Journal, Vol. III. Nos. 1–3. 8vo. Boston 1840–41. | The Society. | | Brussels.—Académie Royale des Sciences. Bulletin, Nos. 1–11. 1840. 8vo. Brussels 1840. | The Academy. | | Calcutta:— | | | Asiatic Society of Bengal. Researches, Vol. XIX. Part II. 4to. Calcutta 1839. | The Society. | | Journal, Nos. 95–104. 8vo. Calcutta 1839–40. | | | Copenhagen.—Royal Danish Academy of Sciences. Transactions, Vol. VIII. 4to. Copenhagen 1841. | The Academy. | | Cork.—Scientific Society. Proceedings for the Session 1837–8. 8vo. 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United Service Journal, from July 1840 to June 1841. 8vo. Lond. 1840–41. KOPS (J.) en MIGUEL (F. A. W.) Flora Batava, Nos.120–1. 4to. Amsterdam. KUPFFER (A. T.) Rapport adressé à l'Académie des Sciences de St. Petersbourg sur les Observations Magnétiques fondés par ordre des Gouvernemens d'Angleterre et de Russie pour 1838. 4to. St. Petersbourg 1839. LAMONT (J.) Jahrbuch für 1841. 8vo. Munich 1841. Astronomische Beobachtungen, Vol. VI. Folio. Munich 1841. LAW (James Thomas.) An Address delivered at the First Anniversary Meet- DONORS. The Author. The Author. The Author. Sir Hugh Hoare, Bart., F.R.S. The Author. The Author. W. S. Cox, Esq., F.R.S. The Author. The Editor. The Editor. The Editor. The Editor. The Proprietors. The Madras Literary Society. The Editor. The Editor. The Editor. The Editor. The Editor. The Editor. The King of the Netherlands. The Author. The Author. W. Sands Cox, Esq., F.R.S. PRESENTS. ing of the Birmingham School of Medicine and Surgery. 8vo. Birmingham 1841. LEA (Isaac.) Notice of the Oolitic Formation in America with descriptions of some of its Organic Remains. 8vo. 1839. LINDLEY (John.) Flora Medica, a Botanical Account of all the more important plants used in Medicine in different parts of the World. 8vo. Lond. 1838. An Introduction to Botany. 8vo. Lond. 1839. The Theory of Horticulture, or an attempt to explain the Principal Operations of Gardening upon Physiological Principles. 8vo. Lond. 1840. LIOWVILLE (J.) Tables des Matieres contenues dans les Tomes I.—V. du Journal de Mathématique. 4to. Paris 1841. LISTON (Robert.) Practical Surgery. 8vo. Lond. 1840. Elements of Surgery. 8vo. Lond. 1840. LITTRROW (J. J. von.) Astronomische Beobachtungen, Tomes XIX. and XX. Folio. Vienna 1840. LLOYD (H.) Supplement to a Paper on the Mutual Action of Permanent Magnets considered chiefly in reference to their best Relative Position in an Observatory. 4to. Dublin 1841. LUBBOCK (Sir John William.) On Currency. 8vo. Lond. 1840. LYELL (Charles.) On the Occurrence of Two Species of Shells of the genus Conus in the Lias or Inferior Oolite, near Caen in Normandy. 8vo. Lond. 1840. MANUSCRIPT. The Mathematical MS. Papers and Original Correspondence of Charles Butler, author of 'An Introduction to the Mathematics,' 2 Vols. 8vo. 1814; among which are included his Collection on the History of the Mathematical Sciences, and a large number of Original Theorems in the Lower Part of Mathematics. 9 Vols. 4to. MAPS AND CHARTS. Ordnance Map, in continuation of the Trigonometrical Survey of Great Britain. Sheets 71 and 74—76, 79 and 82. Admiralty Charts, in continuation for 1840. MARMONT (Marshal.) The Present State of the Turkish Empire, translated with Notes and Observations by Lieut.-Col. Sir Frederick Smith. 8vo. Lond. 1841. MARTIN (James Ranald.) Notes on the Medical Topography of Calcutta. 8vo. Calcutta. MATTEUCCI (C.) Essai sur les Phenomènes Electriques des Animaux. 8vo. Paris? (Three copies.) MENABREA (L. F.) 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SANSON (—, de), LE PLAY (—,), HUOL (—,), LEVIELLÉ (—,), ROUSSEAU (—,), NORDMAN (—, de), et du PONCEAU (—,) Voyage dans la Russie Meridionale et la Crimée, par la Hongrie, la Valachie, et la Moldavie. Exécuté en 1837, sous la direction de M. Anatole de Demidoff. Nos. 6—12. Folio. Paris 1841. SCHUMACHER (H. C.) Astronomische Nachrichten, Nos. 402—412. 4to. SEAWARD (John.) Description of the Engines on board the Gorgon and Cyclops Steam Frigates, with Remarks on the Comparative Advantages of long and short Connecting Rods and long- and short-stroke Engines. 8vo. Lond. SEWARD (Samuel.) Description of an improved Gauge for ascertaining with precision the Pressure of highly-compressed Steam Gases and Fluid Bodies. 8vo. Lond. 1841. Abstract of a Paper on the advantage of employing auxiliary Steam Power for the navigation of Sailing Ships of War. 8vo. Lond. 1841. 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Pt. 3. 1840. ——— The Elements of Chemistry. Seventh Edition, edited by Drs. Liebig and Gregory. 8vo. Lond. 1840. TUSON (E. W.) The Cause and Treatment of Curvature of the Spine and Diseases of the Vertebral Column. 8vo. Lond. 1840. URQUHART (D.) Case of Mr. M'Leod, in whose person the Crown of Great Britain is arraigned for felony. 8vo. ——— Tabular View of the relations of Great Britain and Russia. (Two copies.) ——— Diplomatic Transactions in Central Asia from 1834—9. 8vo. VALENCIENNES (A.) Sur les causes de la Coloration en Vert de certaines Lustres. 4to. Paris. WEAVER (Thos.) On the Composition of Chalk Rock and Chalk Marl by invisible Organic Bodies, from the observations of Dr. Ehrenberg; with an Appendix touching the Researches of M. Alcide d'Orbigny. 8vo. Lond. 1841. WILKINSON (Henry.) Engines of War; or, Historical and Experimental Observations on ancient and modern Warlike Machines and Implements, including the manufacture of guns, gunpowder, and swords. WILLICH (C. M.) Annual Supplement to the Tithe Commutation Tables for 1841. 8vo. Lond. 1841. WOODHOUSE (John Thos.) An Essay on Single Vision. 8vo. Lond. 1841. YOUNG (J. R.) Mathematical Dissertations; with Improvements in the practice of Sturm's Theorem, &c. 8vo. Lond. 1840. DONORS. The Author. The Author. The Author. W. E. Shuckard, Lib. R.S. The Author. The Author. W. S. Cox, Esq., F.R.S. The Editors. The Author. The Author. The Author. The Author. The Author. The Author.