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DIARY OF SOCIETIES. 
THURSDAY. May 7 
Royat Society, at 4. —Election of Fellows.—At 4.30.—(1) Some Calcula- 
tions in Illustration of Fourier’s Theorem; (2) The Theory of Long 
Waves and Bores: Lord Rayleigh.—Protection from Lightning and the 
Range of Protection afforded hy Lightning Rods: Sir J. Larmor and 
J. S. B. Larmor.—Newcomb’s Method of Investigating Periodicities and 
its Application to Briickner’s Weather Cycle : Prof. A. Schuster.—The 
Flow in Metals subjected to Large Constant Stresses: E. N. da C. 
Andrade.—Eddy Motion in the Atmosphere: G. I. Taylor.—The Proper- 
ties of Magnetically-shielded Iron=as Affected by Temperature: Prof. E. 
ilson. 
Roya INSTITUTION, at 3.—The Last Chapter of Greek Philosophy: 
Plotinus as Philosopher, Religious«Teacher and Mystic : The Very Rev. 
W. R. Inge. 
ROVAL Society OF ARTS, at 4.30.—The Punjab Canal Colonies: Sir J. M. 
Douie. 
Cuitp Stupy Society, at 7.30.—Education in Early Childhood before 
School-Age: Miss E. A. Parish and Dr. W. P. Sheppard. 
LINNEAN SOCIETY, at 8.—The Botany of the Utakwa Expedition in Dutch 
New Guinea: H. N. Ridley and Others.—The Genus Lernzodiscus, F. 
Miller : G. Smith.—The Botanic Gardens at Sibpur (Calcutta), and ‘the 
Government Cinchona Plantations : Major Gage.—A New Natural Order 
of Flowering Plants: Tristichacee: Dr. 7. C. Willis.—The Forced or 
Cultural Production of Free, Spherical Pearls ; a Preliminary Note on a 
New Method: J. Hornell. —Some Terrestrial Isopoda from New Zealand 
and Tasmania ; with the Description of a New Genus, Notoniscus: Prof. 
C. Chilton. 
FRIDAY, May 8. 
MALACOLOGICAL Society, at 8.—Description of a New Helicoid from the 
Red Crag, Ramsholt: B. B. Woodward and A. S, Kennard.—The Radula 
of British Helicids. IV.: Rev. E. W. Bowell.—(1) Five New Species of 
Melania from Yunnan, Java, and the Tsushima Islands ; (2) Description 
a New Species of Strophocheilus, from Peru: H. C. Fulton. 
ALCHEMICAL SOCIETY, at 8.15. —Some Mystical Aspects of Alchemy: Dr. 
E. Severn. 
PuysIcaL Society, at 8.—A Graphic Treatment of the Rainbow and 
Cusped Wave-fronts: W. R. Bower.—Gyrostatic Devices for the Control 
of Moving Bodies: Dr. J. G. Gray. 
Roya ASTRONOMICAL SOCIETY, at 5.—Baxendell’s Observations of Variable 
Stars, III: U Cygni, R Delphini, S Delphini, T Delphini. Edited by 
H. H. Turner and Mary A. Blagg.—The Resolution of a Compound 
Periodic Function into Simple Periodie Functions; J. B. Dale.—The 
Periodogram Analysis of the Variations of SS Cygni: aD, Gibb.—A System 
of Photographic Magnitudes for Southern Stars: J. Halm.—Note on the 
Double Star OF 137: W. S. Franks.—Prodable Paper: The Nebular 
Line A3729: J. W. Nicholson. 
SATURDAY, May 9. 
Roya. INSTITUTION, at 3.—Bird Migration: Prof. C. J. Patten. 
MONDAY, May 11. 
Royat. GEOGRAPHICAL SOCIETY, at 8.30.—The Condition and Prospects of 
the Panama Canal: Dr. Vaughan Cornish. 
Roya. Society OF ARTs, at 8.—Some Recent Developments in the Ceramic 
Industry: W. Burton. 
Society OF ENGINEERS, at 7.30.—Notes on the Water Supply of Greater 
New York: W. T. Taylor. 
Roya InsTiTuTION, at 3.—The Last Chapter of Greek Philosophy: 
ee as Philosopher, Religious Teacher and Mystic: The Very Rev. 
Inge. 
NO! 2323, VOU.N93i| 
NATURE 
[May 7, 1914 
TUESDAY, May 12. 
Roya InsTITUTION, at 3.—The Present State of Evolutionary Theory 
Prof. W. Bateson. 
RovaL Society oF ArTS, at 4.30.—The Singing of Songs: Old and New 
I. : Folk Songs: H. Plunket Greene. 
RovaL ANTHROPOLOGICAL INSTITUTE, at 8.15.—Colour Blindness and 
Race: Dr. W. H. R. Rivers.—Standing Stones and Stone Circles in 
Yorkshire: A. L. Lewis. 
WEDNESDAY, May 1:3. 
o 
Roya Society oF Arts, at 8.—Glass Painting in Medieval and Renais 
sance Times: J. A. Knowles. 
GEoLoaicat Society, at 8.—The Scandinavian Drift of the Durham Coast, 
and the General Glaciology of South-East Durham: C. T. Trechmann.— 
‘The Relationship of the Vredefort Granite to the Witwatersrand System : 
F. W. Penny. 
THURSDAY, May 14. 
Royat Society, at 4.30.—P?o0bable Papers: The Various Inclinations of 
the Electrical Axis of the Human Heart. Ia.: The Normal Heart. 
Effects of Respiration : Dr. A. D. Waller.—Fossil Plants showing Structure 
from the Base of the Waverley Shale of Kentcky: Dr. D. H. Scott and 
Prof, E. C. Jeffrey.—The Controlling Influence of Carbon Dioxide in the 
Maturation, Dormancy, and Germination of Seeds. II.: Franklin Kidd. 
—The Cultivation of Human Tumour Tissue 22 vitro: D. Thomson and 
G. J. Thomson.—The Nutritive Conditions Determining the Growth of 
Certain Freshwater and Soil Protista: H. G. Thornton and G. Smith. 
Roya INstiTruTION, at 3.—Identity of Laws in General and Biological 
Chemistry : Prof. Svante Arrhenius. 
ConcRETE INSTITUTE, at 7.30.—Sand and Coarse Material and Propor- 
tioning Concrete: J. A. Davenport and Prof. S. W. Perrott. 
Society oF Dyers anp Co.LouristTs, at 8.—Notes on the Chemistry of 
Starch and its Transformations: W. A. Davis.—The Analysis of Malt 
Extracts: W. P. Dreaper.—Temperature and Concentration as Affecting 
Hydration and Soda Absorption during the Process of Formation of 
Cellulose Mouofils: Clayton Beadle and H. P. Stevens. 
CONTENTS. PAGE 
Cancer. By E.F. B. . : 235 
Pure and iAcpied Mathematics. By DB Nees 236 
Botanical Catalogues and Manuals .... kes 
Our Bookshelf | io 
Letters to the Editor :— 
Cro Magnon Man: Imprints of his Hand.—Prof. 
W. J. Sollas, F.R.S. . 240 
Cellular Structure of Emulsions, — (Ulustrated. se 
Harold Wager, F.R.S. : 240 
Extension of the Spectrum in the Extreme Ultra- 
Violet.—Prof. Theodore Lyman .. . 241 
The Structure of Atoms and Molecules.—A. van den 
Broek Pkt aed Suey (age. MR AS 
Means of Collecting Eelworms. ' (Zllustrated.)—Miss 
M. V. Lebour; T. H. Taylor Rnens ee 
The Prohibition of Experiments on Dogs. By Sir 
Hepa spschafer, FIRS. 242 
The Trevor Lawrence Orchid Collection at the 
Royal Gardens, Kew ACE Si Ot, io} Sul 
Prof. Eduard Suess, For.Mem.R.S. By Prof. 
Jonny. Judd, C. Beh Ri Sara rienei ey is ca nenenenneo ets 
Reig Ye GPAY 00 tea en i ae 
Notes .. Ay Sater Win) 5: DEES) 
Our Astronomical Column :— 
May Meteors. . . Be oc. ONG 250 
Comet 1914a (Kritzinger) : 250 
A Convenient Comparison Spectrum 5 251 
Report of Harvard College Observatory . . 251 
The Schilowsky Gyroscopic Two-Wheeled Motor- 
Car by, Prof, C. V. Boys Hoan. 251 
Relations between the Spectra and Other Charac- 
teristics of the Stars.—II. Tee) BUS Prof. 
H.N. Russell . 252 
University and Educational Intelligence . 1 & 258 
Societiesiand Academies 2). eee oe EG 
Books Received . PPM os oleate oo Bi 
Diary of Societies. .... 262 
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