CONTENTS.
 
VOL. VIII.
 
On Insolinic Acid. By Augustus W. Hofmann, Ph.D., F.R.S. &c.
1
On the Existence of Multiple Proportion in the quantities of Heat, or equivalent alteration of internal space of bodies, caused by definite changes of state as produced by Chemical Combination or otherwise. By Thomas Woods, M.D.
4
Anatomical and Physiological Observations on the Organ of Vision, for the purpose of ascertaining the alterations caused by section of the Optic Nerve. By Augustus Waller, M.D., F.R.S. Part I.
8
On some of the Metamorphoses of Naphthalamine. By A. W. Hofmann, Ph. D., F.R.S. &c.
10
Account of Pendulum Experiments undertaken in the Harton Colliery for the purpose of determining the Mean Density of the Earth. By G. B. Airy, Esq., Astronomer Royal
13
Account of Pendulum Experiments undertaken in the Harton Colliery for the purpose of determining the Mean Density of the Earth. By G. B. Airy, Esq., Astronomer Royal (concluded)
136
A Description of a new Sphygmoscope, an Instrument for indicating the Movements of the Heart and Blood-vessels; with an Account of Observations obtained by the aid of that Instrument. By S. Scott Alison, M.D.
18
On the Vitality of the Ova of the Salmonidæ of different Ages. In a Letter addressed to Charles Darwin, Esq., M.A., V.P.R.S. &c. By John Davy, M.D., F.R.S. Lond. and Ediub., &c.
27
Note on a new Class of Alcohols. By M. Aug. Cahours and A. W. Hofmann, Ph. D., F.R.S. &c. Communicated by Dr. Hofmann
33
On Periodical Laws discoverable in the Mean Effects of the Larger Magnetic Disturbances. No. III. By Colonel Edward Sabine, R.A., D.C.L., Treas, and V.P.R.S.
40
On the Thermal Effects of Fluids in Motion. By Professor William Thomson, F.R.S., and J. P. Joule, Esq., F.R.S.
41
On the Bromide of Titanium. By F. P. Duppa, Esq. Communicated by A. W. Hofmann, Ph.D., F.R.S. &c.
42
Account of the Observations and Computations made for the purpose of ascertaining the Amount of the Deflection of the Plumb Line at Arthur's Seat, and the Mean Specific Gravity of the Earth; with an Account of the observed and computed Amount of the Local Attraction at Arthur's Seat and at the Royal Observatory at Edinburgh. Communicated by Lieut.-Col. James, R.E., F.R.S. &c.
45
On some New Colouring Matters. By Arthur II. Church and William H. Perkin. Communicated by A. W. Hofmann, Ph.D., F.R.S. &c.
48
Letter from Professor Hansteen of Christiania, For. Mem. R.S.
49
The Bakerian Lecture. - On the Electro-dynamic Properties of Metals. By Prof. William Thomson, F.R.S.
50
Supplement to the "Account of Pendulum Experiments undertaken in the Harton Colliery;" being an Account of Experiments undertaken to determine the Correction for the Temperature of the Pendulum. By G. B. Airy, Esq., Astronomer Royal
58
On the Mathematical Theory of the Stability of Earthwork and Masonry. By W. J. Macquorn Rankine, Esq., C.E., F.R.S.
60
Letter from James P. Joule, Esq., F.R.S., in reference to the paper of Dr. Woods read on the 10th of January 1856
62
On the Presence of Fibrils of Soft Tissue in the Dentinal Tubes. By John Tomes, Esq., F.R.S.
63
On the Structure and Development of the Cysticercus Cellulosæ, as found in the Pig. By George Rainey, Esq.
66
On the Dioecious Character of the Rotifera. By Philip Henry Gosse, Esq.
66
On the Dioecious Character of the Rotifera. By Philip Henry Gosse, Esq. (concluded)
66
Account of Experiments on the Vagus and Spinal Accessory Nerves, By Augustus Waller, M.D., F.R.S.
69
Extract of a Letter from P. A. Secchi, containing explanatory remarks on a Drawing of the Lunar Spot 'Copernicus,' presented by him to the Royal Society
72
Notes on the Drawing of 'Copernicus,' presented to the Royal Society by P. A. Secchi. By John Phillips, Esq., F.R.S.
73
A Third Memoir on Quanties. By Arthur Cayley, Esq., F.R.S.
76
Eem entary Considerations on the subject of Rotatory Motion. By W. Gravatt. Esq., F.R.S.
76
On the Condition of the Oxygen absorbed into the Blood during Respiration. By George Harley, M.D.
78
Description of the Observatory of the Collegio Romano at Rome. By P. A. Secchi
83
Elements of a Mathematical Theory of Elasticity. By Prof. William Thomson, F.R.S.
85
On the Construction of the Imperial Standard Pound, and its Copies of Platinum; and on the comparison of the Imperial Standard Pound with the Kilogramme des Archives. By W. H. Miller, M.A., F.R.S., Professor of Mineralogy in the University of Cambridge. - Part I.
87
On various Phenomena of Refraction through Semi-lenses or Prisins, producing anomalies in the illusion of Stereoscopic Images. By A. Claudet, Esq., F.R.S.
104
A Memoir upon Causties. By Arthur Cayley, Esq., F.R.S.
110
On the Figure, Dimensions, and Mean Specific Gravity of the Earth, as derived from the Ordnance Trigonometrical Survey of Great Britain and Ireland. Communicated by Lieut.-Colonel James, R.E., F.R.S. &c., Superintendent of the Ordnance Survey
111
On the Application of Photography to the physiognomic and mental phenomena of Insanity. By Hugh W. Diamond, M.D.
117
On the Problem of Three Bodies. By the Rev. J. Challis, M.A., F.R.S., F.R.A.S.
117
On some of the Products of the Distillation of Boghead Coal at low temperatures. By G. Greville Williams, Esq.
119
On Peristaltic Induction of Electric Currents. By Professor William Thomson, F.R.S.
121
Experimental Researches on the Functions of the Mucous Membrane of the Gall-bladder, principally with reference to the Conversion of Hepatic into Cystic Bile. By George Kemp, M.D.
133
Special General Meeting
141
Annual General Meeting for the Election of Fellows
143
On the Construction of the Imperial Standard Pound, and its Copies of Platinum; and on the comparison of the Imperial Standard Pound with the Kilogramme des Archives. By W. H. Miller, M.A., F.R.S., Professor of Mineralogy in the University of Cambridge. - Part II.
144
On the Determination of Unknown Functions which are involved under Definite Integrals. By J. Gomes de Souza, Professor of Mathematics in the Military Academy of Rio Janeiro
146
On the Detection of Strychnia by the formation of Iodo-strychnia. By Dr. W. Bird Herapath
149
Dynamical Illustrations of the Magnetic and the Heliçoidal Rotatory Effects of Transparent Bodies on Polarized Light. By Prof. W. Thomson, F.R.S.
150
Researches on the Action of Sulphuric Acid upon the Amides and Nitriles, with Remarks on the Conjugate Sulpho-acids. By George B. Buckton, Esq., F.L.S., F.C.S., and A. W. Hofmann, Ph.D., F.R.S.
158
On Quantitative Measurement in Statical Electricity, and on some new Phenomena of Electrical Force. By Sir William Snow Harris, F.R.S.
166
On Colour Blindness. By William Pole, Esq., F.R.A.S., F.G.S., Memb. Inst. C.E.
172
Researches on the Velocities of Currents of Air in Vertical Tubes, due to the presence of Aqueous Vapour in the Atmosphere. By W. D. Chowne, M.D.
177
On the Thermal Effects of Fluids in Motion. By J. P. Joule, Esq., F.R.S., and Prof. W. Thomson, F.R.S.
178
On the Stability of Loose Earth. By W. J. Macquern Rankine, Esq., C.E., F.R.SS. L. & E., Regius Professor of Civil Engineering and Mechanics in the University of Glasgow
185
On the Geometrical Isomorphism of Crystals. By Henry James Brooke, Esq., F.R.S., Hon. M.C.P.S. &c.
187
On some Compounds of Ethylene. By H. L. Buff
188
Description of an Instrument for registering changes of Temperature. By Balfour Stewart, Esq.
195
Researches on Organo-metallic Bodies. Third Memoir. - On a New Series of Organic Acids containing Nitrogen. By Edward Frankland, Ph.D., F.R.S.
198
On the Action of Urari and of Strychnia on the Animal Economy. By Prof. Albert Këlliker of Wurzburg
201
Researches on the Foraminifera. Part II. By William B. Carpenter, M.D., F.R.S., F.G.S. &c.
205
Electro-Physiological Researches, - Tenth Series. Part I. By Signer Carlo Matteucci, Professor in the University of Pisa.
209
On the Existence of Multiple Proportion in the quantities of Heat produced by the Chemical Combination of Oxygen and other bodies. By Thomas Woods, M.D.
211
Researches into the nature of the Involuntary Muscular Fibre. By George Viner Ellis, Esq., Professor of Anatomy in University College, London
212
Account of the Construction of a Standard Barometer, and of the Apparatus and Processes employed in the Verification of Barometers at the Kew Observatory. By John Welsh.
214
On the Aurora. By Reuben Phillips, Esq.
214
On the Lunar-Diurnal Magnetic Variation at Toronto. By Major-General Edward Sabine, R.A., D.C.L., Treas, and V.P.R.S.
216
On Autopolar Polyedra. By the Rev. Thomas P. Kirkman, M.A.
217
Chemical Examination of Burmese Naphtha, or Rangoon Tar. By Warren De la Rue, Ph.D., F.R.S., and Hugo Müller, Ph.D.
221
Experimental Researches on the Organ of Vision. - Part I. Microscopic Examination of the Circulation of the Blood in the Vessels of the Iris and of the Choroid Membrane, &c. By Augustus Waller, M.D., F.R.S.
229
Researches on the Action of certain parts of the Solar Spectrum upon the Iris. By E. Brown-Séquard, M.D. Communicated by Dr. Sharpey, Sec. R.S.
233
Photo-chemical Researches. - Part I. On the Measurement of the Chemical Action of Light. By Professor Bunsen of Heidelberg, and Henry Enfield Roscoe, B.A., Ph.D. Communicated by Prof. Stokes, Sec. R.S.
234
Photo-chemical Researches. - Part I. On the Measurement of the Chemical Action of Light. By Professor Bunsen and Dr. H. E. Roscoe (concluded).
235
Address of the President.
240
Obituary Notices of Deceased Fellows:
 
Jacques Charles François Sturm
260
The Rev. William Buckland, D.D.
264
Dr. William Frederick Chambers
268
Sir Alexander Crichton
269
George James Guthrie, Esq.
272
Daniel Sharpe, Esq.
275
James Meadows Rendel, Esq.
279
Rear-Admiral Frederick William Beechey
283
Observations made to ascertain the Specific Gravity of Sea-water in the Northern and Southern Hemispheres. By Rear-Admiral Philip P. King, R.N., F.R.S. &c.
291
On the Existence of Silver in Sea-water. By Frederick Field, F.C.S.
292
On the Causes of the great Variation among the different measures of the Earth's Mean Density. By Captain W. S. Jacob, Director of the Observatory at Madras
295
On Practical Methods for Rapid Signalling by the Electric Telegraph. By Prof. W. Thomson, F.R.S.
299
On Practical Methods for Rapid Signalling by the Electric Telegraph. (Second Communication.) By Prof. W. Thomson, F.R.S.
303
On the Equation of Laplace's Functions, &c. By W. F. Donkin, M.A., F.R.S., F.R.A.S., Savilian Professor of Astronomy, Oxford
307
A Memoir on Curves of the Third Order. By Arthur Cayley, Esq., F.R.S.
310
On the k-partitious of a Polygon and Polyace. By the Rev. T. P. Kirkman, M.A.
311
On the Scelidothere (Scehilotherium leptocephalum, Owen), a large extinct Terrestrial Sloth. By Prof. R. Owen. F.R.S.
312
On the evidence of the existence of the Decennial Inequality in the Solar-diurnal Variations, and its non-existence in the Lunardiurnal Variation of the Magnetic Declination at Hobarton. By Major-General Sabine, R.A., D.C.L., Tren, and V.P.R.S.
314
On the Function of the Thyroid Body. By Peter Martyn, Esq., M.D. Loud., Surgeon R.N.
315
Experimental Researches on the Strength of Pillars of Cast Iron. By Eaton Hodgkinson, Esq., F.R.S.
318
Memoir on the Symmetric Functions of the Roots of certain Systems of two Equations. By Arthur Cayley, Esq., F.R.S. Memoir on the Resultant of a System of two Equations. By Arthur Cayley, Esq., F.R.S.
322
Memoir on the Symmetric Functions of the Roots of an Equation. By Arthur Cayley, Esq., F.R.S.
323
Memoir on the Conditions for the Existence of given Systems of Equalities among the Roots of an Equation. By Arthur Cayley, Esq., F.R.S.
324
Tables of the Sturmian Functions for Equations of the Second, Third, Fourth and Fifth Degrees. By Arthur Cayley, Esq., F.R.S.
325
Photo-chemical Researches. - Part II. Phenomena of Photo-chemical Induction. By Prof. Bunsen and H. E. Roscoe. B.A.
326
Observations on Glaciers. By John Tyndall. Esq., F.R.S., and Thomas H. Huxley, Esq., F.R.S.
331
On some of the Products of the Destructive Distillation of Boghead Coal. - Part I. By C. Greville Williams, Esq.
338
On the Optical Characters of certain Alkaloids, associated with Quinine, and of the Sulphates of their Iodo-compounds. By W. B. Herapath, M.D.
340
On the Nervous System of Lumbricus terrestris. By J. Lockhart Clarke, Esq., F.R.S.
343
An Account of the two Methods of Reproduction in Daphnia, and of the Structure of the 'Ephippium.' By John Lubbock, Esq., F.G.S.
352
On the Thermo-electricity of Ferruginous Metals, and on the Thermal Effects of Stretching Solid Bodies. By J. P Joule, F.R.S.
355
The Bakerian Lecture. - On the Relations of Gold and other Metals to Light. By M. Faraday, Esq., F.R.S.
356
On the Photography of the Moon. By William Crookes, Esq.
363
Researches on the Reproductive Organs of the Annelids. By Thomas Williams, M. D., F.L.S., Physician to the Swansea Intirmary.
374
Addition to a Memoir on the Determination of Unknown Functions that are evolved under Definite Integrals. By J. Gonies de Souza, Esq.
376
History of two Onses of Hernia of the Ovaries, in one of which there was a periodical Enlargement of one or other of these Organs. By Henry Oldham, M.D.
377
further Observations on the Anatomy and Physiology of Nautilus. By John Denis Macdonald, Esq., Assistant Surgeon R.N.
380
Brief Description of a Ctenostomatous Polyzoon, allied to Vesicularia, occurring on the Australian Coast. By John D. Macdonald, Esq.
383
Observations on the Natural Affinities and Classification of Gasteropoda. By John D. Macdonald, Esq.
384
On the Sea Saw-dust of the Pacific. By John D. Macdonald, Esq.
393
On what the Colonial Magnetic Observatories have accomplished. By Major-General Sabine, R.A., Treas; and V.P.R.S.
396
On the Immediate Principles of Human Excrements in the Healthy State. By W. Marcel, M.D.
413
Description of a Chronometer Compass. By Ralph Reeder, Esq.
416
Extract of a Letter to General Sabine, from M.R. Wolf.
416
Description of a Species of Asteroid Polypes, probably forming the type of a new genus of Aleyonidie. By John D. Macdonald, Esq.
417
A System of Train-signalling. By Charles V. Walker, Esq., F.R.S.
418
On the Action of Aqueous Vapour in disturbing the Atmosphere. By Thomas Hopkins, Esq.
421
On the Structure and Development of the Cysticercus Cellulose, as found in the Muscles of the Pig. By Geo. Ralhey, Esq., M.R.C.S.E.
422
On the Serpentines of Canada and their associated Rocks. By T. Sterry Hunt, Esq., of the Geological Survey of Canada.
423
On Determinants, better called Eliminants. By Professor Francis Newman, M.A.
426
On an Element of Strength in Beams subjected to Transverse Strain, named by the author. "The Resistance of Flexure" (Second Communication.) By William Henry Barlow, Esq., F.R.S.
432
On the Theory of the Gyroscope. By the Rev. William Cook, M.A.
437
Researches on Silica. By Col. P. Yorke, F.R.S.
440
Appendix to Mr. Barlow's Paper "On an Element of Strength in Beams subjected to Transverse Strain," &e. By Peter Barlow, Esq., F.R.S.
442
On the Application of Parabolic Trigonometry to the Investigation of the Properties of the Common Catenary. By the Rev. James Booth, LL.D., F.R.S.
443
On the Magnetic Induction of Crystals. By Prof. Julius Plucker, of Bonn. For. Memb. R.S.
448
Inquiries into the Quantity of Air inspired throughout the Day and Night, and under the influence of Exercise. Food, Medicine, Temperature. &c: By Edward Smith, M.D.
451
On the Plasticity of Ice, as manifested in Glaciers. By James Thomson, A.M., C.E.
455
On the part which the Silicates of the Alkalies may play in the Metamorphism of Rocks. By T. Sterry Hunt, Esq.
458
On the Comparison of Transcendents, with certain applications to the Theory of Definite Integrals. By George Boole; Esq.
461
On the Organization of the Brachiopoda. By Albany Hancock, Esq.
463
On the Placenta of the Elephant. By Prof. Richard Owen, F.R.S.
471
The Croonian Lecture. - On the Cause of the Rhythmic Motion of the Heart. By James Paget, Esq., F.R.S.
473
On a new mode of forming Triethy lamine. By A. W. Hofmann, LL.D., F.R.S.
489
Contribution towards the History of Thialdine. By A. W. Hofmann, LL.D., F.R.S.
491
On the Action of Sulphuric Acid upon Anisic and Salievlie, Acids. By A. W. Hofmann, LL.D., F.R.S.
494
On the Separation of Iodine, Bromine, and Chlorine, and the comparative degree of Affinity of these Elements for Silver, with some Analyses of their Combinations with that Metal, occurring in Chili. By Frederick Field, Esq.
496
Note on the Density of Ozone. By Thomas Andrews, M.D., F.R.S., and P.G. Tait, M.A.
498
Contributions towards the History of the Phosphorus-, Arsenic-, and Antimony-Basès. By A. W. Hofmann, Ph.D., LL.D., F.R.S.
500
On a New Series of Compounds derived from Ammonia and its Analogues. By Edward Frankland. Ph.D., F.R.S.
502
On a Class of Dynamical Problems. By Arthur Cayley, Esq., F.R.S.
506
Remarks on a New Class of Alcohols. (Second Note.) By A. W. Hofmann; LL.D., F.R.S., and Auguste Cahours, F.C.S.
511
Photo-chemical Researches. By Prof. Bunsen and Henry E. Roscoe, B.A., Ph.D. (Third Communication.) The Optical and Chemical Extinction of the Chemical Rays.
516
On the Causes and Phenomena of the Repulsion of Water from the Feathers of Water-Fowl and the Leaves of Plants. By George Buist, D.C.L., F.R.S.
520
Researches on the Phosphorus-Bases. By A. W. Hofmann, LL.D., F.R.S., and Auguste Cahours, F.C.S.
523
Report of Proceedings of the Astronomical Expedition to Teneriffe, in 1857. By Prof. C. Piazzi Smyth
528
Account of the Construction of the New National Standard of Length, and of its principal Copies. By G. B. Airy, Esq., F.R.S., Astronomer Royal
530
On the existence of the Decidua around the Ovum in Fallopian-Tube Conception, &e. By Robert Lee, M.D., F.R.S.
534
Experimental Researches on the conductive Powers of various Substances, with the application of the Results to the Problem of Terrestrial Temperature. By William Hopkins, M.A., F.R.S.
535
On the Perihelia and Nodes of the Planets. By Edward J. Cooper, Esq., F.R.S. (Second Communication.)
543
On the Development of Carcinus Manas. By Spence Bate, Esq., F.L.S.
544
On the Electro-dynamic Qualities of Metals. By Prof. W. Thomson, F.R.S.
546
On the Electric Conductivity of Commercial Copper of various kinds. By Professor W. Thomson, F.R.S.
550
On the Thermal Effects of Fluids in Motion. By Professor W. Thomson, F.R.S., and J. P. Joule, Esq., F.R.S.
556
On the Thermal Effects of Longitudinal Compression of Solids. By J. P. Joule, Esq., F.R.S; and On the Alterations of Temperature accompanying Changes of Pressure in Fluids. By Professor W. Thomson, F.R.S.
564
On the Phenomenon of Relief of the Image formed on the Ground Glass of the Camera Obscura. By A. Claudet, Esq., F.R.S.
569
Supplementary Researches on the Partition of Numbers. By Arthur Cayley, Esq., F.R.S.
573
On the Anatomy and Physiology of the Spongiadæ. By J. S. Bower-bank, Esq., F.R.S., F.L.S. &e.
573
Researches on the Intimate Structure of the Brain; Human and Comparative. By J. Lockhart Clarke, Esq., F.R.S.
577
On the Early Stages of Inflammation. By Joseph Lister, Esq.
581
On the Fructification of certain Sphæriaceous Fungi. By Frederick Currey, Esq.
588
On the Anatomy of Tridacna. By John Denis Macdonald, Esq.
589
Experimental Researches on the Spinal Cord as a leader for Sensibility and Voluntary Movement. By E. Brown-Séquard, M.D.
591
On the Resemblance of the Effects of Section of the Sympathetic Nerve in the Neck and those of Section of a lateral half of the Spinal Cord. By E. Brown-Séquard, M.D.
594
On the Influence of Efforts of Inspiration on the Movements of the Heart. By E. Brown-Séquard, M.D.
596
On the Influence of Oxygen on the vital properties of the Spinal Cord, Nerves, and Muscles. By E. Brown-Séquard, M.D.
598
On the Power possessed by Motor and Sensitive Nerves of retaining their vital properties longer than Muscles, when deprived of Blood. By E. Brown-Séquard, M.D.
600
Ocular Spectres, Structures and Functions, Mutual Exponents. By James Jago, A.B. Cantab., M.B. Oxon.
603
On Hourly Observations of the Magnetic Declination, made by Captain Maguire, R.N., and the Officers of H.M. Ship 'Plover,' in 1852, 1853 and 1854, at Point Barrow. By Major-Gen. Edward Sabine, R.A., D.C.L., Treas. and V.P.R.S.
610