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DIARY OF SOCIETIES. 
THURSDAY, Drcemper’ ra. | - ond 
INSTITUTION OF ELECTRICAL ENGINEERS, at. 8.—Colonial Telegraphs and 
Telephones: R. W. Weightman. 
MATHEMATICAL Society at 5.30.— Orbits Asymptotic to an Isosceles Tri- 
angle Solution of the Problem of Three Bodies : Prof. D. Buchanan.— 
Diffraction of Waves by a Wedge of any Angle: Prot. H. S, Carslaw.— 
(x) Proof that almost all numbers # are composed of about'l »g log » prime 
factors ; (2) An Asymptotic Formula for the Number of Partitions of a 
Number: G. H. Hardy and S. Ramanujir.—Two Theorems of Combina- 
tory Analysis and ‘lwo Allied Identities: Prof. L, - Rogers.—The 
Harmonic Functions ‘associated with the Parabolic Spine (second 
Space of any Number of Dimensions; (2) The Inherently Crystalline 
Structure of a Function of any Number of Variables: Prof. W. H. 
Young and Mrs. Young.—The Efficiency of a Surface of Pressure Dis- 
continuity regarded-as a Propeller: Prof. W. Burnside. 
Rovat GEOGRAPHICAL Society, at 5.—{ Discussion); British and Metric 
Measures in Geographical Work : opened by the Secretary. 
Opricat Society, at 8.—The Refractometry and Identification of Glass 
Specimens—especially Lenses tI. C. Martin.—A Workshop Method of 
Determining the Refractive Index of a Piece of Glass having one Flat 
Surface: Dr. R. S. Clay. 
Royat Sociery or ARTS, at 4.30.—The World's Cotton Supply and India’s 
Share in it: Prof, J. A. Todd 
Linnean Society, at 5-—-Observation on the Root System of /mfatiens 
Roylei, Walp. : Miss Isabel McClatchie.—The Teeth of some Palxozoic 
Sharks: Dr. A. Smith Woodward.—Sex Distribution in Myrica gale, 
Linin.); Miss A. J; Davey and Miss M. Gibson, 
FRIDAY, DecemBer 15. 
INSTITUTION OF MECHANICAL ENGINEERS, at 6.—Variable-speed Gears for 
Motor Road-vehicles: R. E. Phillips. 
ILLUMINATING ENGINEFRING Socirry, at 5.—Suggestions regarding War 
Economies in Lighting: L. Gaster. { i 
NO. 2459, VOL. 98] 
[DECEMBER 14, 1916 
, : MONDAY, Decemner 18, ee ae 
ARISTOTELIAN Society, at 8.—J he Organisation of Thought: Prof. A, N. 
Whitehead. . as is 
Roya GrocRaPHIcaL Socrery, at 8.30.—New Caledonia and the Isle of 
Pines: R. H. Compton. 
Farapay Society,}at 8—A Precision Method of Uniting Optical 
Glass—the Union of Glass in Optical Contact by Heat ‘ reatment : 
R, G. Parker and A, J. Dalladay.—The Effect of Pressure on the Eqni-— 
librium Constant of a Reaction in a Dilute Solution. A Simple Proof of 
the Expression: Dr. W. C. McC. Lewis.—Do Equiatomic Solutions in Iron 
Possess Equal Resistances? FE. D. Campbel!.—Grain Growth in Deformed 
and Annealed Low Carbon Steel: R. i. Sherry. ry a 
TUESDAY, DecemMper 19. ‘ . 
Roya Sratisticat Society, at 5-15.—The Reorganisation of Official 
Statistics and a Central Statistical Office: G. Drage. Be 
INSTITUTION OF Civit. ENGINEERS, at 5.30.— Further discussion :—Experi- r 
ments on Earth-pressures ; P. M. Crosthwaite. ten 
INSTITUTION OF PErTROLEUM TECHNOLOGISTS, at 8.—Notes on the 
Subject of Geolegical Mapping: S. Lister James. : ake ae) 
i 
‘ WEDNESDAY, Decemser 20, [oe 
Royat Mereorotocicat Sociery. at 5-—lhe Measurement of Rainfall 
Duration: C. Salter.—Discontinuities. in Meteorological Phenomena. 
Ill. : Prof. H. H. Turner. ibe 
Roya MicroscopicaL Society, at 7.—Certain Sessile Forms of Fora- 
minifera : Prof.S. J. Hickson.—Note on the Relation between the Hatch-_ 
ing and Development of the Larve of the Yellow Fever Mosquito, 
Stegomyia fasciata, and the Presence of Bacteria and Yeasts: A. Bacot. 
GEOLOGICAL Society, at 5-30. i) Pha 
oe SOCIETY oF ARTS, at 4.—Classical and Scientific Education: A.C, 
enson, t 
q 
THURSDAY, Decemeber 21, Cree | 
Cuemicat Sociery, at 8,—Studies on the Walden Inversion. V. The 
Kinetics and Dissociation Constant of a-Bromo-B-phenylpropionic Acid: A 
G. Senter and G. H. Martin.—The Alcohols of the Hydroaromatic and 
Terpene Series. II. The Isopulegols corresponding*with 2-Menthol and | 
@-Neomenthol: R. H_ Pickard, W. Leweock, and H. de Pennington.— _ 
Lead Sub-iodide with Details of the Preparation of Lead Suboxide : ; 
H. G. Denham.—Note on the Solubility of Lead Iodide: H. G. Denham. ; 
—Chromium Phosphate: A. F. Joseph and W. N. Rae. a 
INSTITUTION OF MINING AND MEVALLURGY, at 5.30.—The ‘Economic 
Geology of the Insizwa Range: W. N. Goodchild, os 
CONTENTS. aaa 
A eae ise, olny. core etre.) hae 
Meteorology for General Readers. By | Gakee 
The Royal Society’s Catalogue of Scientific Papers 
“L’Homme!' Machine” | 3.) 4) J) 
Gur "Bookshelf. 5 rs ee 
Letters to the Editor:— i st ee 
Extrusion of Columnar Ice-Crystals from Moist Earth. # 
The Name “Linethwaite.”—Rev. Cesar Caine 
“Your Reviewer” 5 op: ost Sate 2 ea 
Food and Work, ByW.H.T. .. ._.. 
Medical Treatment for Disabled Soldiers . . 
Prof. A. M. Worthington, C.B,  F.RS sn we 
Prof. John Wrightson, By. J. R./A,-Dy 7. ane 
Nates) ji) Fee) eden cen ae ane 
Our Astronomical Column :— 
The Longitude of Washington ........, 
The Variable Nebula N.G.C. 2261 Lk et 
The Structure of the Red Lithium Line , . . | 
Plantation Rubber. By H.W... . 5 
Marine Isopoda from the North 
Growth, Factors'of Foods 2... 3) an. > 
Educational Reform af nite hewn ema oLit ron 
The World’s Supply of Phosphates Payee |: 
Agriculture at the British Association. ... . 
University and Educational Intelligence... . 
Societies and Academies... , . SR a at 
Bopke Received 070735). 3. PES ee 
Diary of Societies .. . . . gd Late a ee 
° 
. . 
Rete aie. be 
Cor Ce ee ee 
Atlantic,” 
es) 
7 
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