CONTENTS.
VOL. XXIX.
No. 196. - May 1, 1879.
 
List of Candidates for Election
1
A Magnetic Survey of the Fortieth Parallel in North America between the Atlantic Ocean and the Great Salt Lake, Utah. By T. E. Thorpe, Ph. D., F.R.S., Professor of Chemistry, Yorkshire College, Leeds
1
On certain Definite Integrals occurring in Spherical Harmonic Analysis, and on the Expansion in Series of the Potentials of the Ellipsoid and of the Ellipse. By W. D. Niven; M. A., Fellow of Trinity College, Cambridge
2
On the Origin of the Parallel Roads of Lochaber, and their hearing on other Phenomena of the Glacial Period. By Joseph Prestwich, M. A., F.R.S., F.G.S., &c., Professor of Geology in the University of Oxford
6
May 8, 1879.
 
On the Sensitive State of Electrical Discharges through Rarefied Gases, By William Spottiswoode, P.R.S., and S. Fletcher Moulton, late Fellow of Christ's College, Cambridge
21
On the Action of Solid Nuclei. By Charles Tomlinson, F.R.S.
24
On the Results of the Magnetical Observations made by the Officers of the Aretic Expedition, 1875-76. By Staff-Commander E. W. Creak, R.N., attached to the Admiralty Compass Department
29
On the Relation between the Diurnal Range of Magnetic Declination and Horizontal Force, as observed at the Royal Observatory, Greenwich, during the years 1841 to 1877, and the Period of Solar Spot Frequency. By William Ellis, F.R.A.S., Superintendent of the Magnetical and Meteorological Department, Royal Observatory, Greenwich
43
May 15, 1879.
 
Note on a recent Communication by Messrs. Liveing and Dewar. By J. Norman Lockyer, F.R.S.
45
Sur la Limite Ultraviolette du Spectre Solaire. Par Mons. A. Cornu
47
On an Induction-Currents Balance, and Experimental Researches made therewith. By Professor D. E. Hughes
56
Some Researches with Professor Hughes new Instrument for the Measurement of Hearing: the Audiometer. By Benjamin Ward Richardson, M. D., LL.D., F.R.S.
65
Note on the Invention of a Method for making the Movements of the Pulse Audible by the Telephone: the Sphygmophone. By Benjamin Ward Richardson, M.D., LL.D., F.R.S.
70
On the Capillary Phenomena of Jets. By Lord Rayleigh, F.R.S.
71
May 29, 1879.
 
On the Conduction of Heat in Ellipsoids of Revolution. By C. Niven, M.A., Professor of Mathematics, Queen's College, Cork
98
On a new Method of Investigating the Magnetic Lines of Force in Magnets, demonstrating the Obliquity of the Equator and Axis of Bar Magnets. By Richard C. Shettle, M.D.
102
Preliminary Report to the Committee on Solar Physics on a Method of Detecting the Unknown Inequalities of a Series of Observations. By Balfour Stewart, F.R.S., Professor of Natural Philosophy in Owens College, Manchester, and William Dodgson
106
Researches on Explosives. No. II. (Fired Gunpowder.) By Captain Noble, late R.A., F.R.S., F.R.A.S., F.C.S., and F. A. Abel, C.B., F.R.S., V.P.C.S.
123
Note on the Spectrum of Sodium. By J. Norman Lockyer, F.R.S.
140
List of Presents
141
No. 197. June 12, 1879.
 
Annual Meeting for the Election of Fellows
150
June 19, 1879.
 
On the Existence of Liebreich's Protagon in the Brain, By Professor Arthur Gamgee, M.D., F.R.S., Owens College, Manchester, and Erust Blankenhorn, Ph.D.
151
Note on the Existence of a Milk-curdling Ferment in the Pancreas. By William Roberts, M.D., F.R.S., Physician to the Manchester Royal Infirmary
157
On some Recent Improvements made in the Mountings of the Telescopes at Birr Castle. By the Earl of Rosse, D.C.L., LL.D., F.R.S.
157
The Measurement of the Ratio of Lateral Contraction to Longitudinal Extension in a Body under Strain. By A. Mallock
157
The Motion of two Spheres in a Fluid. By W. M. Hicks, M.A., St. John's College, Cambridge
162
Microscopical Researches in High Power Definition. By G. W. Royston-Pigott, M.A., M.D. Cantab. F.R.S.
164
Note on Spectroscopic Papers. By G. D. Liveing, M.A., Professor of Chemistry, and J. Dewar, M.A., F.R.S., Jacksonian Professor, University of Cambridge
166
The Determination of the Secular Effects of Tidal Friction by a Graphical Method. By G. H. Darwin, M.A., formerly Fellow of Trinity College, Cambridge
168
Researches in Chemical Equivalence. Part. III. Nickelous and Cobaltous Sulphates. By Edmund J. Mills, D.Sc., F.R.S., and -J. J. Smith
181
On the Formation of Hydrocyanic Acid in the Electric Arc. By James Dewar. M.A., F.R.S., Professor of Chemistry to the Royal Institution
188
On the Production of Coloured Spectra by Light. By Captain Abney, R.E., F.R.S.
190
Relations between the Atomic Weights and certain Physical Properties (Melting and Boiling Points and Heats of Formation) of Elements and Compounds. By Thomas Carnelley, D.Sc., Assistant Lecturer on Chemistry in Owens College, Manchester
190
Separate Enumerations of Primes of the Form 4n + 1 and of the Form 4n + 3. By J. W. L. Glaisher, M.A., F.R.S., Fellow of Trinity College, Cambridge
192
On the Effects of Chloroform and Ether on the Radial Tracing. By C. Handfield Jones, M.B. Cantab., F.R.S.
197
Preliminary Note on a new Tide-Predicter. By E. Roberts, F.R.A.S.
198
Double Refraction and Dispersion in Iceland Spar. An Experimental Investigation with a Comparison with Huyghens' Construction for the Extraordinary Wave. By R. T. Glazebrook, M.A., Fellow of Trinity College, Cambridge
202
On the Vapour Densities of Potassium and Sodium. By Professor James Dewar, M.A., F.R.S., and Alexander Scott, B.A
206
The Physical Properties of Liquid Acetylene. By Gerrard Ansdell, F.C.S., Chemical Assistant to the Royal Institution of Great Britain
209
On the Origin of the Mineral, Structural, and Chemical Characters of Ophites and related Rocks. By Professors W. King, Sc.D., and T. H. Rowney, Ph.D.
214
Note upon the Behaviour of Oxalic Acid and the Oxalates of the Alkalies, and of Potassium Iodide in Sunlight. By Arthur Downes, M.D., and Thomas P. Blunt, M.A., Oxon
219
Preliminary Experiments on the Effects of Long-continued Stress on the Elasticity of Metals. By J. T. Bottomley, M.A., F.R.S.E.
221
Note on the paper (April 24) A Summary of an inquiry into the Function of Respiration at Various Altitudes on the Island and Peak of Teneriffe. By William Marcel, M.D., F.R.S.
226
Agricultural, Botanical, and Chemical Results of Experiments on the Mixed Herbage of Permanent Meadow, conducted for more than twenty years in succession on the same land. By J. B. Lawes, LL.D., F.R.S., F.C.S., and J. H. Gilbert, Ph.D., F.R.S., F.C.S., F.L.S.
230
On the Comparative Structure of the Cortex Cerebri. By Bevan Lewis, L.R.C.P. Lond. Assistant Medical Officer West Riding Asylum. Wakefield
234
An Account of Experiments on the Influence on Colloids upon Crystalline Form, and on Movements observed in Mixtures of Colloids with Crystalloids. By William M. Ord, M.D. Lond., F.L.S.
238
Report to the Committee on Solar Physics on the Basic Lines common to Spots and Prominences. By J. Norman Lockyer, F.R.S.
247
On a New Method of Studying Mettalic Vapours. By J. Norman Lockyer, F.R.S.
266
Supplementary Note on the Volumetric Estimation of Sugar by an Ammoniated Cupric Test giving Reduction without Precipitation. By F. W. Pavy, M.D., F.R.S.
272
About some General Laws of Animal Life. By Nicholas Wagner, Professor of Zoology, University, St. Petersburg
273
List of Presents
274
No. 198. November 20, 1879.
 
Experimental Researches on the Electric Discharge with the Chloride of Silver Battery. By Warren De La Rue, M.A., D.C.L., F.R.S., and Hugo W. Müller, Ph.D., F.R.S.
281
Researches on the Action of Organic Substances on the Ultra-Violet Rays of the Spectrum. Part. III. On Examination of Essential Oils. By W. N. Hartley, F.R.S.E. &c., Professor of Chemistry in the Royal College of Science for Ireland, Dublin, and A. K. Huntington, F.I.C., F.C.S., Associate of the Royal School of Mines
290
Preliminary Note on Magnetic Circuits in Dynamo and Magneto-Electric Machines. By Lord Elphinstone and Charles W. Vincent, F.R.S.E., F.C.S., F.I.C.
292
Further particulars of the Transit of Venus across the Sun. December 9, 1874; observed on the Himalaya Mountains, Mussoorie, at Mary-Villa-Station, Lat. 30° 28' N., Long. 78° 3' E., height above sea 6,765 feet, with the Royal Society's 5-inch Equatoreal. Note III. By J. B. N. Hennessey, F.R.S.
297
Preliminary Report to the Committee on Solar Physics on the evidence in favour of the Existence of certain Short Periods common to Solar and Terrestrial Phenomena. By Balfour Stewart., F.R.S., Professor of Natural Philosophy in Owens College, Cambridge, and William Dodgson
303
On the Solubility of Solids in Gases. By J. B. Hannay, F.R.S.E., F.C.S., and James Hogarth
324
On the action of Nuclei in producing the Sudden Solidification of Supersaturated Solutions of Glauber's Salts. By Charles Tomlinson, F.R.S.
326
On Definite Integrals involving Elliptic Functions. By J. W. L. Glaisher, M.A., F.R.S., Fellow of Trinity College, Cambridge
331
Values of the Theta and Zeta Functions for certain Values of the Argument. By J. W. L. Glaisher, M.A., F.R.S., Fellow of Trinity College, Cambridge
351
On Certain Definite Integrals. No. 5. By W. H. L. Russell, F.R.S.
361
On the Normal Paraffins. Part III. By C. Schorlemmer, F.R.S., Professor of Organic Chemistry in Owens College, Manchester
364
The Geometric Mean, in, Vital and Social Statistics. By Francis Galton, F.R.S.
365
The Law of the Geometric Mean. By Donald McAlister, B.A., B.Sc., Fellow of St. John's College, Cambridge
367
Note, by F. Chambers
376
November 27, 1879.
 
On the Structure of Serous Glands in Rest and Activity. By. J. N. Langley, M.A., Fellow of Trinity College, Cambridge
377
On the Changes in Pepsin-forming Glauds during Secretion,. By J. N. Langley. M.A., Fellow of Trinity College, Cambridge, and H. Sewall; B.Sc., Fellow of the Johns Hopkins University, Baltimore, U.S.A.
383
Report on the Phyto-Palaeontological Investigations on the Fossil Flora of Sheppey. By Dr. Constantin Baron Ettingshausen, Professor in the University of Graz, Austria
388
A Memoir on the Single and Double Theta Functions. By A. Cayley, F.R.S., Sadlerian Professor of Pure Mathematics in the University of Cambridge
397
On the Spectra of Sodium and Potassium. By G. D. Liveing, M.A., F.R.S., Professor of Chemistry, and J. Dewar, M.A., F.R.S., Jacksonian Professor, University of Cambridge
398
On the Reversal of the Lines of Metallic Vapours. No. VII. By G. D. Liveing. M.A., F.R.S., Professor of Chemistry, and J. Dewar, M.A., F.R.S., Jacksonian Professor, University of Cambridge
402
ANNIVERSARY MEETING.
 
Report of Auditors
406
List of Fellows deceased since last Anniversary
406
List of Fellows elected
407
Address of the President
407
Presentation of the Medals
429
Election of Council and Officers
431
Financial Statement
Trust Funds
Account of Grants from the Donation Fund in 1878-79
440
Account of the Appropriation of the sum of £1,000 (the Government Grant) annually voted by Parliament to the Royal Society, to be employed in aiding the advancement of Science
440
Account of Appropriations from the Government Fund if £4,000 made by the Lords of the Committee of Council on Education, on the recommendation of the Council of the Royal Society
442
Report of the Kew Committee
445
List of Presents
465
No. 199. - December 11, 1879.
 
Thermo-Electric Behaviour of Aqueous Solutions with Mercurial Electrodes. By G. Gore, LL.D., F.R.S.
472
Quantitative Spectroscopie Experiments. By Professor G. D. Liveing; M.A., F.R.S., and Professor James Dewar, M.A., F.R.S.
482
Further Experiments on the Vapour Densities of Potassium and Sodium. By Professor James Dewar, M.A., F.R.S., and Alexander Scott., B.A.
490
On the Practical Solution of the Most General Problems in Continuous Beams. By John Perry and W. E. Ayrton
493
List of Presents
506
Index
511
Obituary Notices
 
Dr. Peyton Blakiston
i
William Froude
ii
Baron John Benjamin Heath
vi
Professor Kelland
vii
Sir Thomas Larcom
x
Sir John George Shaw-Lefevre
xv
Sir Thomas Maclear
Mr. Anthony Mervyn Reeve Story-Maskelyne
xx
Sir James Matheson
xxi
John Miers
Charles Murchison
Arthur Hay, Marquis of Tweeddale
xxv
John Waterhouse
Ernst Heinrich Weber
Bennet Wooderoft