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PROCEEDINGS
OF THE
ROYAL SOCIETY OF LONDON.
From January 18 to April 26, 1894.
VOL. LV.
LONDON:
IHARRISON AND SONS, ST. MARTIN'S LANE,
Printers in Ordinary to Her Majesty.
Sm MDCCCXCIV.
HARRISON AND SONS, PRINTERS IN ORDINARY TO HER MAJESTY,
ST. MARTIN'S LANE.
CONTENTS.
No. 331. January 18, 1894.
On Homogeneous Division of Space. By Lord Kelvin, P.R.S.
An Estimate of the Degree of Legitimate Natality, as shown in the
Table of Natality compiled by the Author from Observations made
at Budapest. By Joseph Kőrösi, Member of the Hungarian
Academy of Sciences, Director of Municipal Statistics
Page
1
16
Results derived from the Natality Table of Kőrösi by employing the
Method of Contours or Isogens. By Francis Galton, F.R.S.
Appendix to a Communication entitled "The Mechanical Equivalent of
Heat." By E. H. Griffiths, M.A.
18
23
On the Reflection and Refraction of Light. By G. A. Schott, B.A.
(Cantab.), B.Sc. (Lond.), formerly Scholar of Trinity College, Cam-
bridge
26
...
On the Transformation of Optical Wave Surfaces by Homogeneous
Strain. By Oliver Heaviside, F.R.S.
List of Presents
30
43
January 25, 1894.
On Intra-cranial Pressure. Preliminary Note. By Leonard Hill,
M.B., Assistant Professor of Physiology, University College, London
Experimental Researches into the Functions of the Cerebellum. By
J. S. Risien Russell, M.D., M.R.C.P., Assistant Physician to the
Metropolitan Hospital
The Effect produced upon Respiration by Faradic Excitation of the
Cerebrum in the Monkey, Dog, Cat, and Rabbit. By W. G. Spencer,
M.S., M.B., Assistant-Surgeon to the Westminster Hospital......
The Pathology of the Edema which accompanies Passive Congestion.
By Walter S. Lazarus-Barlow, M.B., M.R.C.P..
52
57
61
62
On Copper Electrolysis in Vacuo. By William Gannon, M.Α., “1851
Exhibition" Scholar, Queen's College, Galway
Note on the Action of Copper Sulphate and Sulphuric Acid on Metallic
Copper. By Arthur Schuster, F.R.S..
66
84
No. 332. February 1, 1894.
Insect Sight and the Defining Power of Composite Eyes. By A.
Mallock.....
The Action of Heat upon Ethylene. By Vivian B. Lewes..........
An Instrument for grinding Section-plates and Prisms of Crystals of
Artificial Preparations accurately in the desired Directions. By A.
E. Tutton, Assoc. R.C.S., Demonstrator of Chemistry at the Royal
College of Science, South Kensington.......
An Instrument of Precision for producing Monochromatic Light of any
desired Wave-length, and its Use in the Investigation of the Optical
Properties of Crystals. By A. E. Tutton, Assoc. R.C.S., Demon-
strator of Chemistry at the Royal College of Science, South Ken-
sington
On Hollow Pyramidal Ice Crystals. By Karl Grossmann, M.D.,
F.R.C.S E., and Joseph Lomas, A.R.C.Sc.
February 8, 1894.
Further Observations on the Organisation of the Fossil Plants of the
Coal-Measures. Part I. Calamites, Calamostachys, and Spheno-
phyllum. By W. C. Williamson, LL.D., F.R.S., Emeritus Professor
of Botany in the Owens College, Manchester, and D. H. Scott, M.A.,
Ph.D., F.L.S., F.G.S., Honorary Keeper of the Jodrell Laboratory,
Royal Gardens, Kew
Researches on the Germination of the Pollen Grain and the Nutrition
of the Pollen Tube. By J. Reynolds Green, M.A., B.Sc., Professor
of Botany to the Pharmaceutical Society of Great Britain.........
February 15, 1894.
85
90
108
111
113
115
117
124
128
On certain Ternary Alloys. Part VIII. Alloys containing Aluminium,
Cadmium, and Tin; Aluminium, Antimony, and Lead; or Aluminium,
Antimony, and Bismuth. By C. R. Alder Wright, D.Sc., F.R.S.,
Lecturer on Chemistry and Physics in St. Mary's Hospital Medical
School
130
On the Photographic Arc Spectrum of Iron Meteorites. By Professor
J. Norman Lockyer, C.B., F.R.S.
139
On the Straining of the Earth resulting from Secular Cooling. By
Charles Davison, M.A., Mathematical Master at King Edward's
High School, Birmingham...
141
('hemical Analysis of the Meteoric Stone found at Makariwa, near
Invercargill, New Zealand, in the year 1886. By L. Fletcher, M.A.,
F.R.S., Keeper of Minerals in the British Museum.....
142
146
February 22, 1894.
BAKERIAN LECTURE. - On the Relations between the Viscosity (Internal
Friction) of Liquids and their Chemical Nature. By T. E. Thorpe,
D.Sc., F.R.S., and J. W. Rodger, Assoc. R.C.S.
148
159
Note on some Changes in the Blood of the General Circulation conse-
quent upon certain Inflammations of an acute local character. By
C. S. Sherrington, M.D., F.R.S., Lecturer of Physiology, St. Thomas's
Hospital, Professor-Superintendent of the Brown Institution,
London. [Plate 1]
161
List of Candidates
No. 333. March 1, 1894.
207
Preliminary Note on Bilateral Degeneration in the Spinal Cord of
Monkeys (Macacus sinicus) following Unilateral Lesion of the Cortex
Cerebri. By E. L. Mellus, M.D...
208
On the Relations of the Secular Variation of the Magnetic Declination
and Inclination at London, Cape of Good Hope, St. Helena, and
Ascension Island, as exhibited on the Magnetarium. By Henry
Wilde, F.R.S.
210
Terrestrial Refraction in the Western Himalayan Mountains. By
General J. T. Walker, C.B., R.E., F.R.S.
On a Spherical Vortex. By M. J. M. Hill, M.A., D.Sc., Professor of
Mathematics in University College, London.
Researches on the Structure, Organisation, and Classification of the
Fossil Reptilia. Part IX. Section 1. On the Therosuchia. By
H. G. Seeley, F.R.S.
Fossil Reptilia. Part IX. Section 2. On the reputed Mammals
from the Karroo Formation of Cape Colony. By H. G. Seeley,
F.R.S.
Fossil Reptilia. Part IX. Section 3. On Diademodon. By H. G.
Seeley, F.R.S.
On the Effect of Magnetisation upon the Dimensions of Wires and
Rings of Annealed Iron. By Shelford Bidwell, M.A., LL.B.,
On Correlation of certain External Parts of Palæmon serratus. By H.
Thompson.....
List of Presents ...
217
219
224
227
228
234
240
March 8, 1894.
Croonian Lecture. La fine Structure des Centres Nerveux. By S.
Ramón y Cajal, Professor of Physiology in the University of Madrid.
[Title only]
243
243.
March 15, 1894.
The Thermal Radiation from Sun Spots. Preliminary Notes of Obser-
vations made at Daramona, Streete, Co. Westmeath, 1893. By
W. E. Wilson, M.R.I.A.
Experimental Investigations on the Effective Temperature of the Sun,
made at Daramona, Streete, Co. Westmeath. By W. E. Wilson,
M.R.I.A., and P. L. Gray, B.Sc., Assoc. R.C.S., Demonstrator of
Physics, Mason College, Birmingham.
246
250