PROCEEDINGS

OF THE

ROYAL SOCIETY OF LONDON.

From May 5, 1859, to November 22, 1860 inclusive,

VOL. X.

LONDON:

PRINTED BY TAYLOR AND FRANCIS,

RED LION COURT, FLEET STREET.

MDCCCLX.

CONTENTS.

VOL. X.

Propositions upon Arithmetical Progressions. By F. Elefanti, Esq.

On the Electric Properties of Insulating or Non-conducting Bodies.

By Professor Carlo Matteucci of Pisa

On the Synthesis of Acetic Acid. By J. A. Wanklyn, Esq. ....

On the Resistance of Glass Globes and Cylinders to collapse from ex-

ternal pressure, and on the Tensile and Compressive Strength of

various kinds of Glass. By William Fairbairn, Esq., C.E., F.R.S.,

and T. Tate, Esq., F.R.A.S.

Page

1

2

4

6

On the Atomic Weight of Graphite. By B. C. Brodie, Esq., F.R.S.,

Pres. C.S., Professor of Chemistry in the University of Oxford.. 11

On the Alloys.-Part I. The Specific Gravity of Alloys. By A.

Matthiessen, Ph.D.....

On the Anatomy of Victoria Regia.-Part II. By Arthur Henfrey,

Esq., F.R.S., F.L.S. &c., Professor of Botany in King's College,

London.

12

14

On the Conductivity of Mercury and Amalgams. By F. Crace-Cal-

vert, Esq., F.R.S., and R. Johnson, Esq..

14

On the Intimate Structure, and the Distribution of the Blood-vessels,

of the Human Lung. By A. T. H. Waters, Esq., Lecturer on

Anatomy and Physiology, Liverpool

16

On certain Sensory Organs in Insects, hitherto undescribed. By J.

Braxton Hicks, M.D. Lond., F.L.S. &c.

On Lesions of the Nervous System producing Diabetes. By Frederick

W. Pavy, M.D. Lond. &c. ..

On the Electrical condition of the Egg of the Common Fowl. By

John Davy, M.D., F.R.SS. L. & E. &c.

31

On the Mode in which Sonorous Undulations are conducted from the

Membrana Tympani to the Labyrinth, in the Human Ear. By

Joseph Toynbee, Esq., F.R.S. &c..

On the Electrical Discharge in vacuo with an Extended Series of the

Voltaic Battery. By John P. Gassiot, Esq., F.R.S....

36

Note on the Transmission of Radiant Heat through Gaseous Bodies.

By John Tyndall, Ph.D., F.R.S. &c.

37

Page

Photochemical Researches.-Part IV. By Robert W. Bunsen, For.

Memb. R.S., and Henry Enfield Roscoe, Ph.D., Professor of Che-

mistry in Owens College, Manchester

39

On the Occurrence of Flint-implements, associated with the Remains

of Extinct Mammalia, in Undisturbed Beds of a late Geological

Period. By Joseph Prestwich, Esq., F.R.S., F.G.S. &c.

Observations on the Discovery in various Localities of the Remains

of Human Art mixed with the Bones of Extinct Races of Animals.

By Charles Babbage, Esq., M.A., F.R.S. &c.

50

Remarks on Colour-blindness. By Sir John F. W. Herschel, Bart.,

F.R.S.

On the Laws of Operation, and the Systematization of Mathematics.

By Alexander J. Ellis, Esq., B.A., F.C.P.S.

Annual General Meeting for the Election of Fellows

59

2 83

On the frequent occurrence of Vegetable Parasites in the Hard Struc-

tures of Animals. By Professor A. W. Kölliker, of Würzburg.... 95

Researches on the Phosphorus-Bases.-No. VI. Phosphammonium-

Compounds. By A. W. Hofmann, LL.D., F.R.S. &c.

Notes of Researches on the Poly-Ammonias.-No. VI. New Deriva-

tives of Phenylamine and Ethylamine. By A. W. Hofmann,

100

LL.D., F.R.S. &c.

104

On the Behaviour of the Aldehydes with Acids. By A. Geuther,

Esq., and R. Cartmel, Esq.

108

On the Action of Acids on Glycol (Second Notice). By Dr. Maxwell

Simpson

....

Experiments on some of the Various Circumstances influencing Cu-

taneous Absorption. By Augustus Waller, M.D., F.R.S., Professor

of Physiology, Queen's College, Birmingham.

114

122

On Spontaneous Evaporation. By Benjamin Guy Babington, M.D.,

F.R.S. &c.

127

On the Application of the Calculus of Probabilities to the results of

measures of the Position and Distance of Double Stars. By the

Lord Wrottesley, F.R.S. &c.....

133

Report of Scientific Researches made during the late Arctic Voyage

of the Yacht Fox.' By Capt. M'Clintock, R.N.

148

On Recent Theories and Experiments regarding Ice at or near its

Melting-point. By Professor James Thomson

152

Anniversary Meeting-Address of the President

160

On the Analytical Theory of the Attraction of Solids bounded by

surfaces of a Class including the Ellipsoid. By Professor W. F.

Donkin, M.A., F.R.S.....

181

Supplement to a Paper read January 27, 1859, "On the Thermody-

namic Theory of Steam-engines with dry Saturated Steam, and its

application to practice." By W. J. M. Rankine, Esq., C.E., F.R.S. 189

Supplement to a Paper read February 17, 1859, "On the Influence

of White Light, of the different Coloured Rays and of Darkness, on

the Development, Growth, and Nutrition of Animals." By Horace

Dobell, M.D.

On the Effects produced in Human Blood-corpuscles by Sherry Wine,

&c. By William Addison, Esq., F.R.S...

Researches on the Phosphorus-Bases.-No. VII. Triphosphonium-

Compounds. By A. W. Hofmann, LL.D., F.R.S. &c...

Note respecting the Circulation of Gasteropodous Mollusca and the

supposed Aquiferous Apparatus of the Lamellibranchiata. By

F. J. H. Lacaze-Duthiers

...

On the Repair of Tendons after their subcutaneous division. By

Bernard E. Brodhurst, Esq.

On the Curvature of the Indian Arc. By the Venerable John H.

Pratt, M.A., Archdeacon of Calcutta

Page

184

186

189

193

196

197

Comparison of some recently determined Refractive Indices with

Theory. By the Rev. Professor Baden Powell, M.A., F.R.S... 199

On the Electric Conducting Power of Alloys. By A. Matthiessen,

Ph.D.

205

On the Specific Gravity of Alloys. By A. Matthiessen, Ph.D. .... 207

On an extended Form of the Index Symbol in the Calculus of Opera-

tions. By William Spottiswoode, Esq., M.A., F.R.S.

Problem on the Divisibility of Numbers. By F. Elefanti, Esq.

207

208

On the Structure of the Chorda Dorsalis of the Plagiostomes and some

other Fishes, and on the relation of its proper Sheath to the

development of the Vertebræ. By Professor A. Kölliker

Remarks on the late Storms of October 25-26 and November 1, 1859.

By Rear-Admiral FitzRoy, F.R.S.

......

214

222

Notes of Researches on the Poly-Ammonias.-No. VII. On the

Diatomic Ammonias. By A. W. Hofmann, LL.D., F.R.S. &c. .. 224

On the Forces that produce the great Currents of the Air and of the

Ocean. By Thomas Hopkins, Esq.

235

On the Movements of Liquid Metals and Electrolytes in the Voltaic

Circuit. By George Gore, Esq.

235

Abstract of a series of Papers and Notes concerning the Electric Dis-

charge through Rarefied Gases and Vapours. By Professor Plücker,

of Bonn, For. Memb. R.S..

256

On the Interruption of the Voltaic Discharge in Vacuo by Magnetic

Force. By J. P. Gassiot, Esq., F.R.S.

269

On Vacua as indicated by the Mercurial Siphon-Gauge and the Elec-

trical Discharge. By J. P. Gassiot, Esq., F.R.S....

274

On the alteration of the Pitch of Sound by conduction through dif-

ferent Media. By Sydney Ringer, Esq..

276