Proceedings of the Royal Society of London/Volume 2

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CONTENTS.

VOL. II.



1815.
Additional Observations on the Optical Properties and Structure of heated Glass and unannealed glass Drops. By David Brewster, LL.D. F.R.S. Edin. and F.S.A. Edin. page 1
Description of a new Instrument for performing mechanically the Involution and Evolution of Numbers. By Peter M. Roget, M.D. 2
Experiments on the Depolarization of Light as exhibited by various mineral, animal, and vegetable Bodies, with a Reference of the Phenomena to the general Principles of Polarization. By David Brewster, LL.D. F.R.S. Edin. and F.S.A. Edin. 4
On an ebbing and flowing Stream discovered by boring in the Harbour of Bridlington. By John Storer, M.D. 6
On the Effects of simple Pressure in producing that Species of Crystallization which forms two oppositely polarized Images, and exhibits the complementary Colours by polarized Light. By David Brewster, LL.D. F.R.S. Edin. and F.S.A. Edin. 7
Experiments made with a View to ascertain the Principle on which the Action of the Heart depends, and the Relation which subsists between that Organ and the nervous System. By A. P. Wilson Philip 8
Experiments to ascertain the Influence of the Spinal Marrow on the Action of the Heart in Fishes. By Mr. William Clift 10
Some Experiments and Observations on the Colours used in Painting by the Ancients. By Sir Humphry Davy, LL.D. F.R.S. 11
On the Laws which regulate the Polarization of Light by Reflection from transparent Bodies. By David Brewster, LL.D. F.R.S. Edin. and F.S.A. Edin. 14
On some Phenomena of Colours, exhibited by thin Plates. By John Knox, Esq. 15
Some farther Observations on the Current that often prevails to the Westward of the Scilly Islands. By James Rennell, Esq. F.R.S. 17
Some Experiments on a Solid Compound of Iodine and Oxygen, and on its Chemical Agencies. By Sir Humphry Davy, LL.D. F.R.S. 19
On the Action of Acids on the Salts usually called Hyperoxymuriates, and on the Gases produced from them. By Sir Humphry Davy, LL.D. F.R.S. 20
Farther analytical Experiments relative to the Constitution of the prussic, of the ferruretted chyazic, and of the sulphuretted chyazic Acids, and to that of their Salts; together with the Application of the Atomic Theory to the Analyses of those Bodies. By Robert Porrett, jun. Esq. 21
On the Nature and Combinations of a newly discovered vegetable Acid; with Observations on the Malic Acid, and Suggestions on the State in which Acids may have previously existed in Vegetables. By M. Donovan, Esq. 22
On the Structure of the Organs of Respiration in Animals which appear to hold an intermediate Place between those of the Class Pisces and the Class Vermes, and in two Genera of the last-mentioned Class. By Sir Everard Home, Bart. V.P.R.S. 23
On the Mode of Generation of the Lamprey and Myxine. By Sir Everard Home, Bart. V.P.R.S. 24
On the Multiplication of Images, and the Colours which accompany them in some Specimens of calcareous Spar. By David Brewster, LL.D. F.R.S. Lond. and Edin. 25
A Series of Observations of the Satellites of the Georgian Planet, including a Passage through the Node of their Orbits; with an introductory Account of the telescopic Apparatus that has been used on this Occasion; and a final Exposition of some calculated Particulars deduced from the Observations. By William Herschel, LL.D. F.R.S. 25
An Account of some Experiments with a large Voltaic Battery. By J. G. Children, Esq. F.R.S. 26
On the dispersive Power of the Atmosphere, and its Effect on astronomical Observations. By Stephen Lee 28
Determination of the North Polar Distances and proper Motion of Thirty fixed Stars. By John Pond, Esq. F.R.S. 29
An Essay towards the Calculus of Functions. By C. Babbage, Esq. 29
Some additional Experiments and Observations on the Relation which subsists between the Nervous and Sanguiferous Systems. By A. P. Wilson Philip 29
1816.
On the Fire-damp of Coal Mines, and on Methods of lighting the Mines so as to prevent its Explosion. By Sir H. Davy, LL.D. F.R.S. V.P.R.I page 30
An Account of an Invention for giving Light in explosive Mixtures of Fire-damp in Coal Mines, by consuming the Fire-damp. By Sir Humphry Davy, LL.D. F.R.S. V.P.R.I. 32
On the Developement of Exponential Functions; together with several new Theorems relating to finite Differences. By John Frederick W. Herschel, Esq. F.R.S. 33
On new Properties of Heat, as exhibited in its Propagation along Plates of Glass. By David Brewster, LL.D. F.R.S. Lond. and Edin. 33
Farther Experiments on the Combustion of explosive Mixtures confined by Wire-gauze; with some Observations on Flame. By Sir Humphry Davy, LL.D. F.R.S. V.P.R.I. 35
Some Observations and Experiments made on the Torpedo of the Cape of Good Hope in the Year 1812. By John T. Todd 36
Direct and expeditious Methods of calculating the Excentric from the Mean Anomaly of a Planet. By the Rev. Abram Robertson, D.D. F.R.S. 37
Demonstrations of the late Dr. Maskelyne's Formulas for finding the Longitude and Latitude of a celestial Object from its Right Ascension and Declination; and for finding its Right Ascension and Declination from its Longitude and Latitude, the obliquity of the Ecliptic being given in both cases. By the Rev. Abram Robertson, D.D. F.R.S. 38
Some Account of the Feet of those Animals whose progressive Motion can be carried on in opposition to Gravity. By Sir Everard Home, Bart. V.P.R.S. 38
On the Communication of the Structure of doubly-refracting Crystals to Glass, Muriate of Soda, Fluor Spar, and other Substances, by mechanical Compression and Dilatation. By David Brewster, LL.D. F.R.S. Lond. and Edin. 39
An Essay towards the Calculus of Functions. Part II. By C. Babbage, Esq. 41
Experiments and Observations to prove that the beneficial Effects of many Medicines are produced through the Medium of the circulating Blood, more particularly that of the Colchicum autumnale upon the Gout. By Sir Everard Home, Bart. V.P.R.S. 41
An Appendix to a Paper on the Effects of the Colchicum autumnale on Gout. By Sir Everard Home, Bart. V.P.R.S. 42
On the Cutting Diamond. By William Hyde Wollaston, M.D. Sec. R.S. 43
An Account of the Discovery of a mass of native Iron in Brasil. By A. F. Mornay, Esq. 43
Observations and Experiments on the Mass of native Iron found in Brasil. By William Hyde Wollaston, M.D. Sec. R.S. 45
On Ice found in the bottoms of Rivers. By Thomas Andrew Knight, Esq. F.R.S. 46
On the Action of detached Leaves of Plants. By Thomas Andrew Knight, Esq. F.R.S. 47
On the Manufacture of the Sulphate of Magnesia at Monte della Guardia, near Genoa. By H. Holland, M.D. F.R.S. 48
On the Formation of Fat in the Intestine of the Tadpole, and on the Use of the Yolk in the Formation of the Embryo in the Egg. By Sir Everard Home, Bart. V.P.R.S. 49
On the Structure of the Crystalline Lens in Fishes and Quadrupeds, as ascertained by its Action on Polarized Light. By David Brewster, LL.D. F.R.S. Lond. and Edin. 50
Some farther Account of the Fossil Remains of an Animal, of which a Description was given to the Society in 1814. By Sir Everard Home, Bart. V.P.R.S. 51
Farther Observations on the Feet of Animals whose progressive Motion can be carried on against Gravity. By Sir Everard Home, Bart. V.P.R.S. 51
A new Demonstration of the Binomial Theorem. By Thomas Knight, Esq. 52
On the Fluents of irrational Functions. By Edward Ffrench Bromhead, Esq. M.A. 52
1817.
An Account of the Circulation of the Blood in the Class Vermes of Linnaeus, and the principle explained in which it differs from that in the higher Classes. By Sir Everard Home, Bart. V.P.R.S. page 53
Observations on the Hirudo vulgaris. By James Rawlins Johnson. M.D. F.L.S. &c. 54
On the Effects of Galvanism in restoring the due Action of the Lungs. By A. P. Wilson Philip 55
Account of some Experiments on the Torpedo electricus, at La Rochelle. By John T. Todd, Esq. 57
A Description of a Process, by which Corn tainted with Must may be completely purified. By Charles Hatchett, Esq. F.R.S. 57
Observations on an astringent Vegetable Substance from China. By William Thomas Brande, Esq. Sec. R.S. 58
Some Researches on Flame. By Sir Humphry Davy, LL.D. F.R.S. V.P.R.I. 59
Some new Experiments and Observations on the Combustion of gaseous Mixtures; with an Account of a Method of preserving a continued Light in Mixtures of inflammable Gases and Air without Flame. By Sir Humphry Davy, LL.D. F.R.S. V.P.R.I. 61
De la Structure des Vaisseaux Anglais, consideree dans ses derniers Perfectionnements. Par Charles Dupin 62
On a new Fulminating Platinum. By Edmund Davy, Esq. 63
On the Parallax of the fixed Stars. By John Pond, Esq. F.R.S. 65
Appendix to Mr. Pond's Paper on Parallax 66
An Account of some Fossil Remains of the Rhinoceros, discovered by Mr. Whitby, in a Cavern inclosed in the Lime-stone Rock, from which he is forming the Break-water at Plymouth. By Sir Everard Home, Bart. V.P.R.S. 66
Description of a thermometrical Barometer for measuring Altitudes. By the Rev. Francis John Hyde Wollaston, B.D. F.R.S. 68
Observations on the Analogy which subsists between the Calculus of Functions and other branches of Analysis. By Charles Babbage, Esq. M.A. F.R.S. 69
Of the Construction of Logarithmic Tables. By Thomas Knight, Esq. 69
Two General Propositions in the Method of Differences. By Thomas Knight, Esq. 70
Note respecting the Demonstration of the Binomial Theorem inserted in the last Volume of the Philosophical Transactions. By Thomas Knight, Esq. 70
On the Passage of the Ovum from the Ovarium to the Uterus in Women. By Sir Everard Home, Bart. V.P.R.S. 70
Some farther Observations on the Use of the Colchicum autumnale in Gout. By Sir Everard Home, Bart. V.P.R.S. 71
Upon the Extent of the Expansion and Contraction of Timber in different directions relative to the Position of the Medulla of the Tree. By Thomas Andrew Knight, Esq. F.R.S. 73
Observations on the Temperature of the Ocean and Atmosphere, and on the Density of Sea-water, made during a Voyage to Ceylon. By John Davy, M.D. F.R.S. 73
Observations on the Genus Ocythoe of Rafinesque, with a Description of a new Species. By William Elford Leach, M.D. F.R.S. 75
The distinguishing Characters between the Ova of the Sepia, and those of the Vermes Testacea, that live in Water, explained. By Sir Everard Home, Bart. V.P.R.S. 75
Astronomical Observations and Experiments tending to investigate the local Arrangement of the Celestial Bodies in Space, and to determine the Extent and Condition of the Milky Way. By Sir William Herschel, Knt. Guelp. LL.D. F.R.S. 76
Some Account of the Nests of the Java Swallow, and of the Glands that secrete the Mucus of which they are composed. By Sir Everard Home, Bart. V.P.R.S. 77
Observations on the Hirudo complanata, and Hirudo stagnalis, now formed into a distinct Genus under the name, Glossopora. By Dr. Johnson, of Bristol. 78
Observations on the Gastric Glands of the human Stomach, and the Contraction which takes place in that Viscus. By Sir Everard Home, Bart. V.P.R.S. 79
On the Parallax of the fixed Stars. By John Pond, Esq. F.R.S. 79
1818.
On the great Strength given to Ships of War by the application of Diagonal Braces. By Robert Seppings, Esq. F.R.S. page 80
A Memoir on the Geography of the North-eastern part of Asia, and on the Question whether Asia and America are contiguous, or are separated by the Sea. By Captain James Burney, F.R.S. 81
Additional Facts respecting the Fossil Remains of an Animal, on the subject of which two Papers have been printed in the Philosophical Transactions, showing that the Bones of the Sternum resemble those of the Ornithorhynchus paradoxus. By Sir Everard Home, Bart. V.P.R.S. 82
An Account of Experiments for determining the Length of the Pendulum vibrating Seconds in the Latitude of London. By Captain Henry Kater, F.R.S. 83
On the Length of the French Metre estimated in parts of the English Standard. By Captain Henry Kater, F.R.S. 85
A few Facts relative to the Colouring Matters of some Vegetables. By James Smithson, Esq. F.R.S. 86
Account of Experiments made on the Strength of Materials. By George Rennie, jun. Esq. 87
On the Office of the Heart Wood of Trees. By T. A. Knight, Esq. F.R.S. 88
On Circulating Functions, and on the Integration of a Class of Equations of Finite Differences into which they enter as Coefficients. By John F. W. Herschel, Esq. F.R.S. 89
On the Fallacy of the Experiments in which Water is said to have been formed by the Decomposition of Chlorine. By Sir Humphry Davy, LL.D. F.R.S. 89
The Croonian Lecture. On the Changes the Blood undergoes in the act of Coagulation. By Sir Everard Home, Bart. V.P.R.S. 90
Some Additions to the Croonian Lecture, on the Changes the Blood undergoes in the Act of Coagulation. By Sir Everard Home, Bart. V.P.R.S. 91
On the Laws of Polarization and Double Refraction in regularly Crystallized Bodies. By David Brewster, LL.D. F.R.S. L. & E. 92
On the Parallax of certain fixed Stars. By the Rev. John Brinkley, D.D. F.R.S. 93
On the Urinary Organs and Secretions of some of the Amphibia. By John Davy, M.D. F.R.S. 94
On a Mal-conformation of the Uterine System in Women; and on some Physiological Conclusions to be derived from it. In a Letter to Sir Everard Home, Bart. V.P.R.S. from A. B. Granville, M.D. F.R.S. F.L.S. 95
New Experiments on some of the Combinations of Phosphorus. By Sir H. Davy, LL.D. F.R.S. V.P.R.I. 95
New Experimental Researches on some of the leading Doctrines of Caloric; particularly on the Relation between the Elasticity, Temperature, and latent Heat of different Vapours; and on Thermometric Admeasurement and Capacity. By Andrew Ure, M.D. 97
Observations on the Heights of Mountains in the North of England. By Thomas Greatorex, Esq. F.L.S. 98
On the Different Methods of Constructing a Catalogue of fixed Stars. By J. Pond, Esq. F.R.S. 99
A Description of the Teeth of the Delphinus Gangeticus. By Sir Everard Home, Bart. V.P.R.S. 99
Description of an Acid Principle prepared from the Lithic or Uric Acid. By William Prout, M.D. 100
Astronomical Observations and Experiments, selected for the purpose of ascertaining the relative Distances of Clusters of Stars, and of investigating how far the Power of our Telescopes may be expected to reach into Space, when directed to ambiguous Celestial Objects. By Sir William Herschel, Knt. Guelp. LL.D. F.R.S. 100
On the Structure of the Poisonous Fangs of Serpents.  By Thomas Smith, Esq. F.R.S. 101
On the Parallax of α Aquilæ. By John Pond, Esq. F.R.S. 101
On the Parallax of the Fixed Stars in Right Ascension. By John Pond, Esq. F.R.S. 102
An Abstract of the Results deduced from the Measurement of an Arc on the Meridian, extending from Latitude 8° 9' 38"·4, to Latitude 18° 3' 23"·6 N., being an Amplitude of 9° 53' 45"·2. By Lieut. Col. William Lambton, F.R.S. 102
1819.
The Croonian Lecture. On the Conversion of Pus into Granulations or New Flesh. By Sir Everard Home, Bart. V.P.R.S. 103
On the Laws which regulate the Absorption of Polarized Light by Doubly Refracting Crystals. By David Brewster,LL.D. F.R.S. L.& E. 104
Observations sur la Decomposition de 1'Amidon a la Temperature Atmospherique par l'Action de l'Air et de l'Eau. Par Theodore de Saussure 105
On Corpora Lutea. By Sir Everard Home, Bart. V.P.R.S. 106
Remarks on the Probabilities of Error in Physical Observations, and on the Density of the Earth, considered, especially with regard to the Reduction of Experiments on the Pendulum. By Thomas Young, M.D. For. Sec. R.S. 106
On the Anomaly in the Variation of the Magnetic Needle as observed on Ship-board. By William Scoresby, jun. Esq. 108
On the Genus Ocythoë; being an Extract of a Letter from Thomas Say, Esq. of Philadelphia, to William Elford Leach, M.D. F.R.S. 108
On Irregularities observed in the Direction of the Compass Needles of H.M.S. Isabella and Alexander, in their late Voyage of Discovery, and caused by the Attraction of the Iron contained in the Ships. By Captain Edward Sabine, F.R.S. 109
Some Observations on the Formation of Mists in particular Situations. By Sir Humphry Davy, Bart. F.R.S. V.P.R.I. 110
Observations on the Dip and Variation of the Magnetic Needle, and on the Intensity of the Magnetic Force; made during the late Voyage in search of a North-west Passage. By Captain Edward Sabine, F.R.S. F.L.S. 110
On the Action of Crystallized Surfaces upon Light. By David Brewster, LL.D. F.R.S. L.& E. 111
On the Specific Gravity and Temperature of Sea- Waters, in different Parts of the Ocean, and in particular Seas; with some Account of their Saline Contents. By Alexander Marcet, M.D. F.R.S. 111
An Account of the Fossil Skeleton of the Proteo-Saurus. By Sir Everard Home, Bart. V.P.R.S. 113
Reasons for giving the name Proteo-Saurus to the Fossil Skeleton which has been described. By Sir Everard Home, Bart. V.P.R.S. 113
Some Observations on the Peculiarity of the Tides between Fairleigh and the North Foreland; with an Explanation of the supposed Meeting of the Tides near Dungeness. By Captain James Anderson, R.N. 113
On the Ova of the different Tribes of Opossum and Ornithorhynchus. By Sir Everard Home, Bart. V.P.R.S. 114
The Results of Observations made at the Observatory of Trinity College, Dublin, for determining the Obliquity of the Ecliptic, and the Maximum of the Aberration of Light. By the Rev. J. Brinkley, D.D. F.R.S. M.R.I.A. 114
On some New Methods of investigating the Sums of several Classes of Infinite Series. By Charles Babbage, Esq. A.M. F.R.S. 115
On the Optical and Physical Properties of Tabasheer. By David Brewster, LL.D. F.R.S. L.& E. 115
An Account of a Membrane in the Eye, now first described. By Arthur Jacob, M.D. 116
A New Method of Solving Numerical Equations of all Orders, by continuous Approximation. By W. G. Homer, Esq. 117
An Account of Experiments for determining the Variation in the Length of the Pendulum Vibrating Seconds, at the principal Stations of the Trigonometrical Survey of Great Britain. By Captain Henry Kater, F.R.S. 117
1820.
The Croonian Lecture. A further Investigation of the Component Parts of the Blood. By Sir Everard Home, Bart. V.P.R.S. page 118
The Bakerian Lecture. On the Composition and Analysis of the Inflammable Gaseous Compounds resulting from the Destructive Distillation of Coal and Oil, with some Remarks on their relative Heating and Illuminating Powers. By William Thomas Brande, Esq. Sec.R.S. 119
On the Elasticity of the Lungs. By James Carson, M.D. 121
On the Action of Crystallized Bodies on Homogeneous Light, and on the Causes of the Deviation from Newton's Scale in the Tints which many of them develope on Exposure to a Polarized Ray. By J. F. W. Herschel, Esq. F.R.S. L. & E. 122
A Case of the Human Foetus found in the Ovarium, of the Size it usually acquires at the End of the Fourth Month. By A. B. Granville, M.D. F.R.S. 123
On some Combinations of Platinum. By Edmund Davy, Esq. 124
On the Methods of Cutting Rock Crystal for Micrometers. By William Hyde Wollaston, M.D. F.R.S. 124
On a New Principle of constructing Ships in the Mercantile Navy. By Sir Robert Seppings, F.R.S. 125
On the Milk Tusks, and Organ of Hearing of the Dugong. By Sir Everard Home, Bart. V.P.R.S. 126
Upon the different Qualities of the Alburnum of Spring and Winter-felled Oak Trees. By Thomas Andrew Kight, Esq. F.R.S. 127
On the Mode of Formation of the Canal for containing the Spinal Marrow, and on the Form of the Fins (if they deserve that name) of the Proteo-Saurus. By Sir Everard Home, Bart. V.P.R.S. 128
Some Experiments on the Fungi which constitute the Colouring Matter of the Red Snow discovered in Baffin's Bay. By Francis Bauer, Esq. F.L.S. 128
Some Account of the Dugong. By Sir Thomas Stamford Raffles 129
Observations on the Human Urethra, showing its internal Structure, as it appeared in the Microscope of F. Bauer, Esq. By Sir Everard Home, Bart. V.P.R.S. 130
On the Errors in Longitude as determined by Chronometers at Sea, arising from the Action of the Iron in the Ships upon the Chronometers. By George Fisher, Esq. 130
An Account of a New Mode of performing the High Operation for the Stone. By Sir Everard Home, Bart. V.P.R.S. 131
A Sketch of an Analysis and Notation applicable to the Estimation of the Value of Life Contingencies. By Benjamin Gompertz, Esq. F.R.S. 132
On the Measurement of Snowdon, by the Thermometrical Barometer. By the Rev. F. J. H. Wollaston, B.D. F.R.S. 132
On Sounds Inaudible by certain Ears. By William Hyde Wollaston, M.D. P.R.S. 133
Particulars respecting the Anatomy of the Dugong, intended as a Supplement to Sir T. S. Raffles's Account of that Animal. By Sir Everard Home, Bart. F.R.S. 134
On the Compressibility of Water. By Jacob Perkins, Esq. 134
Astronomical Observations. By Stephen Groombridge, Esq. F.R.S. 135
1821.
On the Black Rete Mucosum of the Negro being a Defence against the Scorching Effect of the Sun's Rays. By Sir Everard Home, Bart. F.R.S. page 135
On the Magnetic Phenomena produced by Electricity. In a Letter from Sir Humphry Davy, Bart. F.R.S. to W. H. Wollaston, M.D. P.R.S. 136
A Communication of a singular Fact in Natural History. By the Right Honourable the Earl of Morton, F.R.S. 137
Particulars of a Fact, nearly similar to that related by Lord Morton, communicated to the President, in a Letter from Daniel Giles, Esq. 137
The Croonian Lecture. Microscopical Observations on the following Subjects. On the Brain and Nerves; showing that the Materials of which they are composed exist in the Blood. On the Discovery of Valves in the Branches of the Vas breve, lying between the Villous and Muscular Coats of the Stomach. On the Structure of the Spleen. By Sir Everard Home, Bart. V.P.R.S. 137
On Two New Compounds of Chlorine and Carbon, and on a New Compound of Iodine, Carbon, and Hydrogen. By Mr. Faraday. 138
An Account of the Comparison of various British Standards of Linear Measure. By Captain Henry Kater, F.R.S. 139
An Account of the Urinary Organs and Urine of Two Species of the genus Rana. By John Davy, M.D. F.R.S. 140
An Account of a Micrometer made of Rock Crystal. By G. Dollond, F.R.S. 141
The Bakerian Lecture. On the best kind of Steel and Form for a Compass Needle. By Captain Henry Kater, F.R.S. 141
Notice respecting a Volcanic Appearance in the Moon. By Captain Henry Kater, F.R.S. 142
A Further Account of Fossil Bones discovered in Caverns inclosed in the Lime-stone Rocks at Plymouth. By Joseph Whidbey, Esq. 142
On the Aeriform Compounds of Charcoal and Hydrogen; with an Account of some Additional Experiments on the Gases from Oil and from Coal. By William Henry, M.D. F.R.S. 143
An Account of Experiments to determine the Acceleration of the Pendulum in different Latitudes. By Captain Edward Sabine, F.R.S. and F.L.S. 144
Some Observations and Experiments on the Papyri found in the Ruins of Herculaneum. By Sir Humphry Davy, Bart P.R.S. 145
Observations on Naphthaline, a peculiar Substance resembling a Concrete Essential Oil, which is apparently produced during the Decomposition of Coal Tar, by Exposure to a Red Heat. By J. Kidd, M.D. 146
On the Aberrations of Compound Lenses and Object-Glasses. By J. F. W. Herschel, Esq. P.R.S. &c. 146
An Account of the Skeletons of the Dugong, Two-homed Rhinoceros, and Tapir of Sumatra, sent to England by Sir Thomas Stamford Raffles, Governor of Beucoolen. By Sir Everard Home, Bart. V.P.R.S. 147
On the Mean Density of the Earth. By Dr. Charles Button, F.R.S. 148
On the Separation of Iron from other Metals. By J. F. W. Herschel, Esq. F.R.S. 148
On the Re-establishment of a Canal in the Place of a Portion of the Urethra which had been destroyed. By Henry Earle, Esq. 149
Calculations of some Observations of the Solar Eclipse on the 7th of September, 1820. By Mr. Charles Rumker 150
An Account of the Re-measurement of the Cube, Cylinder, and Sphere, used by the late Sir George Shuckburgh Evelyn, in his Inquiries respecting a Standard of Weights and Measures. By Captain Henry Kater, F.R.S. 150
An Account of Observations made with the Eight-Feet Astronomical Circle, at the Observatory of Trinity College, Dublin, since the Beginning of the Year 1818, for Investigating the Effects of Parallax and Aberration on the Places of certain fixed Stars; also the Comparison of these with former Observations for determining the Effects of Lunar Nutation. By the Reverend John Brinkley, D.D. F.R.S. and M.R.I.A. 151
On the Effects produced in the Rates of Chronometers by the Proximity of Masses of Iron. By Peter Barlow, Esq. 152
On the Peculiarities that distinguish the Manatee of the West Indies from the Dugong of the East Indian Seas. By Sir Everard Home, Bart. V.P.R.S. 152
On a New Compound of Chlorine and Carbon. By Richard Phillips, F.R.S.E. F.L.S. M.G.S. &c. and Michael Faraday 153
On the Nerves; giving an Account of some Experiments on their Structure and Functions, which lead to a new Arrangement of the System. By Charles Bell, Esq. 153
Further Researches on the Magnetic Phenomena produced by Electricity; with some New Experiments on the Properties of Electrified Bodies in their Relations to Conducting Powers and Temperature. By Sir Humphry Davy, Bart. P.R.S. 154