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PRESENTS RECEIVED BY THE ROYAL SOCIETY, From November 1794 to June 1795; WITH THE NAMES OF THE DONORS. 1794. PRESENTS. Nov. 6. The Nautical Almanacs for the Years 1797, 1798, 1799, and 1800. 4 Vols. London, 1792-3. 8° Archæologia, Vol. XI. London, 1794. 4° Transactions of the Society for Encouragement of Arts, Manufactures, and Commerce. Vol. XII. London, 1794. 8° An Anatomical Description of the Human gravid Uterus, by the late W. Hunter. London, 1794. 4° Experimental Researches concerning the Philosophy of permanent Colours, by E. Bancroft. Vol. I. London, 1794. 8° On the Investigation of Astronomical Circles. London, 1794. 8° Considérations sur les Effets de l’Impôt dans les différents Modes de Taxation, par le Marquis de Casaux. Londres, 1794. 8° Travels through Switzerland, Italy, Sicily, &c. by T. Watkins. 2 Vols. London, 1794. 8° A Treatise on the Science of Muscular Action, by J. Pugh. London, 1794. 4° A Treatise on the Blood, Inflammation, and Gunshot Wounds, by the late J. Hunter. London, 1794. 4° DONORS. The Commissioners of the Longitude. The Society of Antiquaries. The Society for Encouragement of Arts, Manufactures, and Commerce. Matthew Baillie, M. D. F. R. S. Edward Bancroft, M. D. F. R. S. Count de Brühl, F. R. S. Marquis de Casaux, F. R. S. The Rev. Thomas Watkins, M. A. F. R. S. James Watson, Esq. F. R. S. The Executors of the late John Hunter, Esq. F. R. S. Observations on the Ventilation of Rooms, on the Construction of Chimnies, and on Garden Stoves; from Papers left by the late J. Whitehurst. London, 1794. An Inquiry into the medical Efficacy of a new Species of Peruvian Bark, lately imported, under the name of Yellow Bark, by J. Relph. London, 1794. Nov. 13. Analytische entdeckungen in der Verwandlungs- und Auflösungskunst der Höhern Gleichungen, von A. E. L. Hulbe. Berlin, 1794. 20. The Method of finding the Longitude at Sea by Timekeepers, by W. Wales. London, 1794. The Magnetic Atlas, by J. Churchman. London, 1794. 27. A Practical Treatise on Copyhold Tenure, by R. B. Fisher. London, 1794. A Treatise on Magnetism, by R. Walker. London, 1794. Dec. 11. The Transactions of the Royal Irish Academy. Vol. V. Dublin. Commentarii de Rebus in Scientia Naturali et Medici na gestis. Volumen XXXV. Lipsiae, 1793. 1795. Jan. 8. An Essay on Combustion, with a View to a new Art of Dying and Painting, by Mrs. Fulhame. London, 1794. A. Duncan Tentamen inaugurale de Swietenia Soy- mida. Edinburgi, 1794. The Elements of Heraldry, by M. A. Porny. London, 1795. 22. Elements of Mineralogy, by R. Kirwan. 2d Edit. Vol. I. London, 1794. Meteorological Journal kept at Port Jackson in New South Wales, from Sept. 14, 1788, to Dec. 6, 1791. Mscr. A Meteorological Journal of the Year 1794, kept in London, by W. Bent. London. Feb. 5. Memoirs of the Medical Society of London. Vol. IV. London, 1795. Grove Hill, an horticultural Sketch. London, 1794. Medical Commentaries for the Year 1794, collected by A. Duncan. Edinburgh, 1795. Specimens of Hindoo Literature, by N. E. Kindersley. London, 1794. Archimedis quae supersunt omnia, ex recensione Jos. Torrelli, cum nova Versione Latina. Oxonii, 1792. 19. Meteorological Journal kept at York Fort, Hudson's Bay, from Oct. 12, 1793, to Sept. 21, 1794, by J. Colen. Mscr. Mr. William Bent. John Relph, M. D. M. Adam Ehregott Leberecht Hulbe. Mr. William Wales, F. R. S. Mr. John Churchman. Richard Barnard Fisher, Esq. Mr. Ralph Walker. The Royal Irish Academy. Mr. Philip Hurlock, F. R. S. Mrs. Fulhame. Andrew Duncan, M. D. Mr. W. Bent. Richard Kirwan, Esq. F. R. S. William Dawes, Esq. Mr. William Bent. The Medical Society of London. John Coakley Lettsom, M. D. Andrew Duncan, M. D. N. E. Kindersley, Esq. The Rev. Abram Robertson, M. A. Mr. Joseph Colen. March 5. The Transactions of the Royal Humane Society, by W. Hawes. Vol. I. 8° 12. The Transactions of the Royal Society of Edinburgh. Vol. II. and III. Edinburgh, 1790 and 1794. Sectionum Conicarum Libri VII. Auctore A. Robertson. Oxonii, 1792. 19. Meteorological Journals kept at Cumberland House, from Oct. 14, 1778, to March 4, 1779; and from Oct. 10, 1789, to June 3, 1790; and at Athapascow, from Oct. 20, 1791, to May 1, 1792, by J. Colen. Mscr. 4° A Sermon preached before the House of Commons on the Fast Day, by S. Goodenough. London, 1795. Two Letters on the Origin, Antiquity, and History of Norman Tiles, stained with Armorial Bearings. London, 1794. April 16. General Views of the Agriculture of the different Counties in England, Wales, and Scotland; drawn up for the Consideration of the Board of Agriculture; 71 Reports. 4° Letter to Sir J. Sinclair, Bart. from J. Robinson, Esq. London, 1794. Astronomisches Jahrbuch für das Jahr 1797, von J. E. Bode. Berlin, 1794. A new Inquiry into the Suspension of Vital Action, in Cases of Drowning and Suffocation, by A. Fothergill. Bath, 1795. Anecdotes of some distinguished Persons. 2 Vols. London, 1795. Essays and Observations, physiological and medical, by C. Kite. London, 1795. A Catalogue of some of the more rare Plants found in the Neighbourhood of Leicester, Loughborough, and in Charley Forest; from Mr. Nichols's History of Leicestershire. fol. Euphonologia Linguæ Anglicanæ, par M. Adams. London, 1794. Manifesto intorno alla realmente fattibile Scoperta della Longitudine. 4° Bestimmung der Länge von Göttingen, Gotha, Danzig, Berlin, und Harefield, aus der Sonnenfinsterniss vom 5 Sept. 1793. Göttingen, 1794. Medical Essays and Observations, by James Johnstone; and an Essay on Mineral Poisons, by John Johnstone. Evesham, 1795. A concise Essay on Magnetism, by J. Lorimer. London, 1795. Medical Facts and Observations. Vol. VI. London, 1795. W. Hawes, M.D. The Royal Society of Edinburgh. The Rev. Abram Robertson, M.A. Mr. Joseph Colen. The Rev. Samuel Goodenough, LL.D. F.R.S. John Henniker Major, Esq. F.R.S. The Board of Agriculture. Mr. J. E. Bode, F.R.S. Anthony Fothergill, M.D. F.R.S. William Seward, Esq. F.R.S. Mr. Charles Kite. Mr. John Nichols. Mons. Adams. Ab. Giambattista Girolami. Professor Seyffer, of Gottingen. James Johnstone, M.D. and John Johnstone, M.D. John Lorimer, M.D. Samuel Foart Simmons, M.D. PRESENTS. Syllabus of a Course of Lectures on Botany, by J. E. Smith. London, 1795. May 14. Annals of such Patriots of the Family of Fraser, as have signalized themselves in the public Service of Scotland. Edinburgh, 1795. June 25. J. F. Blumenbach de Generis Humani Varietate nativa. Editio 3tia. Gottingæ, 1795. C. Ptolomæus Beobachtung und Beschreibung der Gestirne, mit erläuterungen, von J. E. Bode. Berlin, 1795. Anecdotes of some distinguished Persons. Vol. III. 1795. DONORS. James Edward Smith, M. D. F. R. S. Hon. Archibald Campbell Fraser, F. R. S. Professor Blumenbach, F. R. S. Mr. J. E. Bode, F. R. S. William Seward, Esq. F. R. S. INDEX TO THE PHILOSOPHICAL TRANSACTIONS FOR THE YEAR 1795. A Abscesses of the lungs, remarks on a circumstance attending them, 243 Animal substances, on their conversion into a fatty matter, - 239 Apple-trees, observations on grafting them, - 291 Atmosphere of Venus, observations on, - 126, 156 B Barker, Thomas, Esq. Abstract of a register of the barometer, thermometer, and rain, at Lyndon, in Rutland, 1794, - 410 Barometer, register of, at Lyndon, in Rutland, - 410 Base on Hounslow Heath, measurement of, - 416 - manner of marking its extremities, - 437 - on Salisbury Plain, measurement of, - 474 - deduction of its length from that on Hounslow Heath, and connecting triangles, - 498 Binomial Theorem, demonstration of, by the principles of multiplication, - 298 Birds, observations on the structure of their eyes, - 263 Bladder, experiments upon, - 218 Bristol, Earl of, account of a fall of stones near Sienna, - 103 MDCCXCV. INDEX. C Cannon, manner of fixing, at the extremities of a base on Hounslow Heath, - 437 Cast steel, on welding it, - 296 Chains, steel, used in a trigonometrical survey, description of, - 423 experiments to ascertain their relative lengths, - 424 experiments to determine their rate of expansion, - 426 method of ascertaining their actual lengths, - 434 Cleghorn, Dr. Remarks on abscesses of the lungs, - 243 Cold, artificial, on the best methods of producing, - 270 Cornea, experiments upon, - 10 Craters, observations of, in the moon, - 154 Cruikshank, William, Esq. Experiments on the nerves, particularly on their reproduction; and on the spinal marrow of living animals, - 177 Crystalline humour, observations on, - 2 D Dalby, Mr. Isaac. Account of the trigonometrical survey carried on in the years 1791, 1792, 1793, and 1794, - 414 Deal rods, remarks on, - 416 Degree of a great circle, length of, perpendicular to the meridian, in latitude 50° 41', - 519 Dogs, experiments upon, - 179, 194 E Eruption of Mount Vesuvius, account of, - 73 Ether, vitriolic, on freezing water by it, - 286 Eye, experiments upon, - 14 Eyes of birds, observations on their structure, - 263 of quadrupeds, remarks on, - 267 F Fatty matter, on the conversion of animal substances into, - 239 Fluids, observations on their motion and resistance, - 24 Fowler, Dr. Remarks on an assertion made by him, - 260 Frankland, Sir Thomas, Bart. On welding cast steel, - 296 INDEX. G Galvani, Mr. Observations on some experiments made by him, 246 Generation of the kangaroo, observations on, 221 Gibbes, George Smith, B.A. On the conversion of animal substances into a fatty matter, much resembling spermaceti, 239 Glass rods, remarks on, 417 Grafting of trees, observations on, 290 Gravity, specific, of several specimens of wootz, steel, and iron, 324 H Haigton, John, M.D. An experimental inquiry concerning the reproduction of nerves, 190 Hamilton, Sir William, K.B. An account of the late eruption of Mount Vesuvius, 73 Heart, remarks on, 214 Herschel, William, LL.D. On the nature and construction of the sun and fixed stars, 46 ——— remarks on a paper written by him, on the planet Venus, 117 ——— description of a forty-feet reflecting telescope, 347 Home, Everard, Esq. The Croonian lecture on muscular motion, 1, 202 ——— Some observations on the mode of generation of the kangaroo, with a particular description of the organs themselves, 221 Hounslow Heath, measurement of a base on, 416 ——— manner of marking the extremities of a base on, 437 Humour, crystalline, observations on, 2 Hydatids, remarks on, 204 I Influence which excites muscles to contract, in Mr. Galvani's experiments, observations on, 246 Iron, on the properties and composition of, 322 ——— specific gravity of several specimens of, 324 ——— wrought or forged, properties of, 337, 340 ——— crude or raw, properties of, 339, 341 INDEX. K Kanguroo, observations on its mode of generation, - 221 Knight, Thomas Andrew, Esq. Observations on the grafting of trees, - 290 L Lamps used in a trigonometrical survey, description of, - 443 Lecture, Croonian, - 1, 202 Bakerian, - 24 Lungs, remarks on an appearance observed on them, - 243 M Milky way, remarks on the number of stars therein, - 70 Mirror of a forty-feet telescope, construction of, - 403 Mofete, remarks on those which follow an eruption of Mount Vesuvius, - 106, 113 Moon, observation of craters in, - 154 Motion of fluids, observations on, - 24 Mountains of Venus, observations on, - 126, 149 Mount Vesuvius, account of an eruption of, - 73 Mudge, Capt. William. Account of the trigonometrical survey carried on in the years 1791, 1792, 1793, and 1794, - 414 Multiplication, demonstration of the binomial theorem by the principles of, - 298 Muscles, observations on an influence which excites them to contract, - 246 Muscular motion, Croonian lecture on, - 1, 202 N Nerves, experiments on, - 177, 190 O Observatory used in a trigonometrical survey, description of, - 444 Opossum, observations on its mode of generation, - 222 P Pearson, George, M.D. Experiments and observations to investigate the nature of a kind of steel manufactured at Bombay, and there called Wootz; with remarks on the properties and composition of the different states of iron, - 322 INDEX. Polar distance piece, description of, - - - - - 390 Presents received by the Royal Society, from November, 1794 to July, 1795, - - - - - 593 Q Quadrupeds, remarks on their eyes, - - - - - 267 Quicksilver, on the congelation of, - - - - - 271 R Rain, register of, at Lyndon, in Rutland, - - - - 410 Ramsden, Mr. Remarks on the crystalline humour, - - - - 2 his method of ascertaining the actual length of two steel chains, - - - - - 434 Refraction, terrestrial, remarks on, - - - - - 586 Reproduction of nerves, experiments on, - - - - - 177, 190 Resistance of fluids, observations on, - - - - - 24 Richmond, Duke of, account of a trigonometrical survey carried on by his order, - - - - - 414 Right ascension apparatus, description of, - - - - - 387 Robertson, the Rev. Abram, A. M. The binomial theorem demonstrated by the principles of multiplication, - - - - - 298 Rotation of Venus, observations on, - - - - - 126, 149 S Salisbury Plain, measurement of a base on, - - - - - 474 deduction of the length of a base on, from that on Hounslow Heath, and connecting triangles, - - - - - 498 Schroeter, John Jerome, Esq. New observations in further proof of the mountainous inequalities, rotation, atmosphere, and twilight of the planet Venus, - - - - - 117 Scott, Dr. Account of a kind of steel called Wootz, - - - - - 322 Sheep, description of hydatids found in them, - - - - - 205 remarks on their eyes, - - - - - 267 Sienna, account of a fall of stones near that city, - - - - - 103 Smith, Mr. Pierce. Observations on the structure of the eyes of birds, - - - - - 263 Speaking pipe of a forty-feet telescope, description of, - - - - - 385 Spermaceti, on the conversion of animal substances into a matter resembling it, - - - - - 239 Spinal marrow, experiments on, - - - - - 184 | Topic | Page | |----------------------------------------------------------------------|------| | Slaggers, cause of that disorder in sheep | 205 | | Stars, on their nature and construction | 46 | | Steel, experiments and observations on a kind called Wootz | 322 | | specific gravity of several specimens of | 324 | | properties of | 338, 340, 342 | | Stodart, Mr. His opinion of a kind of steel called Wootz | 326 | | Stones, account of a fall of, near Sienna | 103 | | Sun, on its nature and construction | 46 | | Survey, trigonometrical, carried on in the years 1791, 1792, 1793, | | | and 1794, account of | 414 | | particulars relative to its commencement | 428, 441 | | particulars relating to the operations of the year 1792 | 446 | | progress in the year 1793 | 457 | | particulars relating to the operations of the year 1794 | 466 | | calculation of the sides of the great triangles | 488 | | directions of the meridians at Dunnose and Beachy Head, &c. | 517 | | Distances of the stations from the meridians of Greenwich, &c. | 530 | | Secondary triangles, in which two angles only have been observed | 539 | | Distances of the objects intersected in the course of the survey, &c.| 567 | | Heights of the stations, &c. | 579 | | Remarks on the operation | 589 | | Tanía hydatigenia, description of | 205 | | Telescope, reflecting, description of one of forty feet | 347 | | its gallery | 361 | | its tube | 365 | | method of observing with | 382 | | its speaking-pipe | 385 | | its right ascension apparatus | 387 | | its polar distance piece | 390 | | its zone-clock | 399 | | its great mirror | 403 | | Theodolite used in a trigonometrical survey, improvements in | 445, 457 | INDEX. Theorem, binomial, demonstration of, by the principles of multiplication, - 298 Thermometer, register of, at Lyndon, in Rutland, - 410 Transit instrument used in a trigonometrical survey, description of, - 419 Trees, on grafting them, - 290 Twilight of Venus, observations on, - 126, 145, 156 V Vapour mephitic, remarks on that which follows an eruption of Mount Vesuvius, - 106, 113 Venus, new observations on, - 117 —— on the rotation of, - 126, 149 —— on the mountainous inequalities of, - 126, 149 —— on the twilight of her atmosphere, - 126, 145, 156 Vesuvius, account of an eruption of that mountain, - 73 Vince, the Rev. Samuel, A. M. The Bakerian lecture. Observations on the theory of the motion and resistance of fluids; with the description of the construction of experiments, in order to obtain some fundamental principles, - 24 Volta, Mr. Remarks on some assertions made by him, - 249, 252 W Walker, Mr. Richard. Observations on the best methods of producing artificial cold, - 270 Water, on freezing it by ether, - 286 Weather of the year 1794, remarks on, - 411 Wells, William Charles, M.D. Observations on the influence which excites the muscles of animals to contract, in Mr. Galvani's experiments, - 246 Williams, Lieut. Col. Edward. Account of the trigonometrical survey carried on in the years 1791, 1792, 1793, and 1794, - 414 Wootz, on a kind of steel so called, - 322 —— mechanical and obvious properties of, - 323 —— specific gravity of, - 324 —— effects of fire on, - 326 —— effects of fire and oxygen gaz conjointly on, - 329 —— experiments on, with diluted nitrous acid, - 330 INDEX. Wootz, experiments on, with diluted sulphuric acid, - 331 ——— experiments with oxide of, - 336 ——— compared with other states of iron, - 343 Z Zone-clock, description of, - 399 From the Press of W. BULMER & Co. Cleveland-Row, St. James's. ERRATA. PART I. Page 147 line 13, for 25, read 2,5. PART II. Page 298 line 2, insert the Rev. after By. Page 302 line 2, insert in after units. Page 318 line 2 from bottom, for $p \times n + 1 - m r z^m + 1$, read $p \times n + 1 - m r z^m + 1$. Page 343 line 5 from bottom, for $f, g$, read $e, f$. line 3 from bottom, for $3, c$, read $3, b$. line 2 from bottom, for $f, g$, read $e, f$. Page 344 line 3, for $i, k$, read $b, i$. line 4, for $g$, read $f$. line last but one, for $g$, read $f$. Page 345 line 4, for $i$, read $b$. line 5, for $g$, read $b$. Page 364 line 6, for rail, read rails. Page 372 line 17, dele comma after shape. Page 433 line 11, for in which the chains were laid off, read to which the chains were reduced. Page 492 line 17, for in the degrees, read in degrees. Page 517 line 2, for Direction, read Directions. Page 522 line 11, for E and L, read R and W. Page 526 line 4, for a degree, read the degree. Page 537 line 19, for hopothesis, read hypothesis. Page 557 line 8, et alibi, for Gov. Hornsby, read Gov. Hornby.