On the Magnetic Elements and their Secular Variations at Berlin, as observed

by A. Erman

Page

218

On the Action of Chlorine upon Methyl. By C. Schorlemmer, Assistant in

the Laboratory of Owens College, Manchester

.....

.....

On the Calculus of Symbols (Fifth Memoir), with Applications to Linear

Partial Differential Equations, and the Calculus of Functions. By W. H.

L. Russell, A.B.

Second Part of the Supplement to the two Papers on Mortality published

in the Philosophical Transactions in 1820 and 1825. By Benjamin

Gompertz, F.R.S.

Investigations of the Specific Heat of Solid and Liquid Bodies. By Hermann

Kopp, Ph.D.

....

225

227

228

229

On some Foraminifera from the North Atlantic and Arctic Oceans, includ-

ing Davis Strait and Baffin Bay. By W. Kitchen Parker, F.Ź.S., and

Professor T. Rupert Jones, F.G.Š.

239

Note on the Variations of Density produced by Heat in Mineral Substances.

By Dr. T. L. Phipson, F.C.S.

240

On the Spectra of some of the Fixed Stars. By W. Huggins, F.R.A.S., and

William A. Miller, M.D., LL.D., Treasurer & V.P.R.S.

A Second Memoir on Skew Surfaces, otherwise Scrolls. By A. Cayley,

F.R.S.

On the Differential Equations which determine the form of the Roots of

Algebraic Equations. By George Boole, F.R.S., Professor of Mathe-

matics in Queen's College, Cork

A Comparison of the most notable Disturbances of the Magnetic Declination

in 1858 and 1859 at Kew and Nertschinsk, preceded by a brief Retrospec-

tive View of the Progress of the Investigation into the Laws and Causes

of the Magnetic Disturbances. By Major-General Edward Sabine, R.A.,

President of the Royal Society...

On the degree of uncertainty which Local Attraction, if not allowed for,

occasions in the Map of a Country, and in the Mean Figure of the Earth

as determined by Geodesy: a Method of obtaining the Mean Figure free

from ambiguity by a comparison of the Anglo-Gallic, Russian, and Indian

Arcs and Speculations on the Constitution of the Earth's Crust. By

the Venerable J. H. Pratt, Archdeacon of Calcutta

....

242

244

245

247

253

Annual Meeting for the Election of Fellows

276

Description of the Cavern of Bruniquel, and its Organic Contents.-Part I.

Human Remains. By Professor Richard Owen, F.R.S.

On Complex Binary Quadratic Forms. By H. J. Stephen Smith, M.A.,

F.R.S.

278

Inquiries into the National Dietary. By Dr. E. Smith, F.R.S. ....

On some Varieties in Human Myology. By John Wood, F.R.C.S.

Researches on Isomeric Alkaloids. By C. Greville Williams, F.R.S. 303

....

On the Synchronous Distribution of Temperature over the Earth's Surface.

By Henry G, Hennessy, F.R.S.

312

298

.... 299

Experimental Researches on Spontaneous Generation. By Gilbert W. Child,

M.D. Oxon.

On a Colloid Acid, a Normal Constituent of Human Urine. By William

Marcet, M.D., F.R.S......

Page

313

314

Further observations on the Amyloid Substance met with in the Animal

Economy. By Robert M'Donnell, M.D. . . . . . . .

317

Description of a New Mercurial Gasometer and Air-pump. By T. R.

Robinson, D.D., LL.D., F.R.S...

On the Distal Communication of the Blood-vessels with the Lymphatics;

and on a Diaplasmatic System of Vessels. By Thomas Albert Carter,

M.D., M.R.C.P.

.....

Aerial Tides. By Pliny Earle Chase, A.M., S.P.A.S.

321

327

329

On the Microscopical Structure of Meteorites. By H. C. Sorby, F.R.S... 333

On the Functions of the Cerebellum. By W. H. Dickinson, M.D......... 334

On the Properties of Silicic Acid and other analogous Colloidal Substances.

By Thomas Graham, F.R.S..

Researches on the Colouring-matters derived from Coal-tar.-III. Diphenyl-

amine. By A. W. Hofmann, LL.D., F.R.S. ....

335

341

A Table of the Mean Declination of the Magnet in each Decade from

January 1858 to December 1863, derived from the Observations made at

the Magnetic Observatory at Lisbon; showing the Annual Variation, or

Semiannual Inequality to which that element is subject. Drawn up by

the Superintendent of the Lisbon Observatory, Senhor da Silveira...... 347

On Organic Substances artificially formed from Albumen. By Alfred H.

Smee, F.C.S.

350

On the Reduction and Oxidation of the Colouring-matter of the Blood. By

G. G. Stokes, M.A., Sec. R.S.

355

Further Inquiries concerning the Laws and Operation of Electrical Force.

By Sir W. Snow Harris, F.R.S.

364

On a New Class of Compounds in which Nitrogen is substituted for

Hydrogen. By Peter Griess......

375

...

New Observations upon the Minute Anatomy of the Papillæ of the Frog's

Tongue. By Lionel S. Beale, M.B., F.R.S., F.R.C.P.

Indications of the Paths taken by the Nerve-currents as they traverse the

caudate Nerve-cells of the Spinal Cord and Encephalon. By Lionel S.

Beale, M.B., F.R.S., F.R.C.P. (Plate III.) ..

On the Physical Constitution and Relations of Musical Chords. By

Alexander J. Ellis, F.R.S., F.C.P.S.

392

On the Temperament of Musical Instruments with Fixed Tones. By

Alexander J. Ellis, F.R.S., F.C.P.S.

...

On the Calculus of Symbols.-Fourth Memoir. With Applications to the

Theory of Non-Linear Differential Equations. By W. H. L. Russell,

A.B.

On the Calculus of Symbols.-Fifth Memoir. With Application to Linear

Partial Differential Equations, and the Calculus of Functions. By W.

H. L. Russell, A.B..........

404

423

432

Comparison of Mr. De la Rue's and Padre Secchi's Eclipse Photographs.

By Warren De la Rue, F.R.S.

On Drops. By Frederick Guthrie, Professor of Chemistry and Physics at the

Royal College, Mauritius

Page

442

444

On Drops.-Part II. By Frederick Guthrie, Professor of Chemistry and

Physics at the Royal College, Mauritius. (Plates IV. & V.) . . . . . . . . 457

On the Chemical Constitution of Reichenbach's Creosote.-Preliminary

Notice. By Hugo Müller, Ph.D.

Remarks on the Colouring-matters derived from Coal-tar.-No. IV. Phe-

nyltolylamine. By A. W. Hofmann, LL.D., F.R.S.......

On the Spectra of some of the Nebula. By W. Huggins, F.R.A.S.-a

Supplement to the Paper "On the Spectra of some of the Fixed Stars,"

by W. Huggins and W. A. Miller, M.D., Treas. and V.P.R.S..............

484

485

492

On the Composition of Sea Water in different Parts of the Ocean. By Dr.

George Forchhammer, Professor in the University of Copenhagen. .493 & 494

Researches on certain Ethylphosphates. By Arthur Herbert Church, M.A.

Oxon., Professor of Chemistry, Royal Agricultural College, Cirencester.. 520

A Dynamical Theory of the Electromagnetic Field. By Professor J. Clerk

Maxwell, F.R.S.

.....

531

On the production of Diabetes artificially in Animals by the external use of

Cold. By Henry Bence Jones, M.D., F.R.S.

537

On the Action of Chloride of Iodine upon Organic Bodies. By Maxwell

Simpson, M.B., F.R.S.

.....

540

On Fermat's Theorem of the Polygonal Numbers, with Supplement. By the

Right Hon. Sir Frederick Pollock, F.R.S.

542

On the Structure and Affinities of Eozoon Canadense. In a Letter to the

President. By W. B. Carpenter, M.D., F.R.S..

545

On the Functions of the Foetal Liver and Intestines. By Robert James

Lee, B.A. Cantab., Fellow of the Cambridge Philosophical Society

Completion of the Preliminary Survey of Spitzbergen, undertaken by the

Swedish Government with the view of ascertaining the practicability of

the Measurement of an Arc of the Meridian. In a Letter addressed to

Major-General Sabine by Captain C. Skogman, of the Royal Swedish

Navy: dated Stockholm, Nov. 21, 1864. (Plate VI.)..

549

551

On the Sextactic Points of a Plane Curve. By A, Cayley, F.R.S......... 553

Page

On a Method of Meteorological Registration of the Chemical Action of Total Daylight. By Henry E. Roscoe, B.A., F.R.S.

555

Page 153, for S. W. Hittorf read J. W. Hittorf.

Pages 201 & 202. The words "If a quadratic form. .

Phil. Trans. vol. cxliii.

p. 481)" should have been printed as a foot-note in explanation of the term "index of inertia."

Page 330, for Flangergues read Flaugergues.

ERRATA IN OBITUARY (VOL. XII.).

Page xxxvi, line 8 from bottom, for Poisson read Brisson. xxxviii, line 4 from top, for son read husband.

NOTICE TO THE BINDER.

In this Volume the following pages are to be cancelled:-Pages 83, 227 & 228,

275 & 276, 457, 491, 519 & 520.

The Plate to Dr. Beale's Paper, p. 386, is Plate III.