274 



NATURE 



[October 31, 1912 



. Cave, Mound and Lake Dwellers and other Primi- 

 tive People. By F. Holbrook. Pp. 130. (London : 

 D. C. Heath and Co.) is. 6d. net. 



Vapours for Heat Engines. By Prof. VV. D. Ennis. 

 Pp. iv + 77. (London : Constable and Co., Ltd.) 6i'. 

 net. 



La Th^orie des Ions et I'jilectrolyse. By A. Hol- 

 lard. Deuxifeme Edition. Pp. vii + 220. (Paris: 

 Gauthier-Villars.) 5 francs. 



Die Einteilung der Pflanzengesellschaften. By H. 

 Brockmann-Jerosch and E. Riibel. Pp. vi + 72. 

 (Leipzig : VV. Engelmann.) 



Aus Natur und Geisteswelt. Astronomie. By A. 

 Marcuse. Pp. 99. Die Chirurgie unserer Zeit. By 

 Prof. J. Fessler. Pp. 138. Der Mond. By ProL J. 

 Franz. Zweite Auflage. Pp. 120. Die Befruchtung 

 und ihre Beziehung zur Vererbung. By Dr. E. 

 Teichmann. Zweite Auflage. Pp. iv + 96. (Leipzig: 

 B. G. Teubner.) Each 1.25 marks. 



Ceramic Chemistry. By H. H. Stephenson. Pp. 

 •vii + 91. (London: Davis Bros.) 6s. 



Handbuch der vergleichenden Physiologic. Edited 

 by H. Winterstein. 25 Lief. Band i. Zweite Halfte. 

 Pp. 161-320. 26 Lief. Band iii. Erste Halfte. Pp. 

 161-320. 27 Lief. Band iii. Erste Halfte. Pp. 321- 

 484. 28 Lief. Band iv. Pp. 841-976. (Jena : G. 

 Fischer.) Each 5 marks. 



British Violets. By Mrs. E. S. Gregory. With an 

 introduction by G. C. Druce. Pp. xxiii+ioS. (Cam- 

 bridge : W. Heffer and Sons, Ltd.) 65. net. 



Second Stage Inorganic Chemistry (Theoretical). 

 By Dr. G. H. Bailey. Sixth Impression. Revised by 

 H. W. Bausor. Pp. viii + 544. (London: W. B. 

 Clive.) 4s. 6(i. 



Baby Birds at Home. By R. Kearton. Pp. xv + 

 128. (London : Cassell and Co., Ltd.) 6s. 



Memoranda Mathematica. By W. P. Workman. 

 With Five-figure Logarithmic and Trigonometrical 

 Tables, arranged by W. E. Paterson. Pp. v + 272 + 28. 

 (Oxford : Clarendon Press.) 5s. net. 



The Story of the Heavens. By Sir R. S. Ball. 

 Part i. Pp. 48. (London: Cassell and Co., Ltd.) 

 6d. net. 



Nervation of Plants. By F. G. Heath. Pp. vi+ 187. 

 (London : Williams and Norgate.) 3s. 6d. net. 



Experimental Physiologv. By Prof. E. A. Schafer. 

 Pp. viii+iii. (London : Longmans and Co.) 4s. 6(J. 

 net. 



Elementary Algebra. By W. M. Baker and A. A. 

 Bourne. Ninth edition. Pp. xi + lxxvii. (London : 

 G. Bell and Sons, Ltd.) 4.?. 6d. 



Bacon's Excelsior Map of the Mediterranean Lands. 

 Cloth, rollers, and varnished ; on cloth cut to fold. 

 (London : Bacon and Co., Ltd.) Each i6s. 



A Critical Revision of the Genus Eucalyptus. By 

 L H. Maiden. Vol. ii., part 6. (Sydney: W. .'\. 

 (Sullick.) • • 



DIARY OF SOCIETIES. 



MOND A Y, N 

 M. Iniu'stev. at ! 



he Nitroeenous Constituent ol 

 nature of Synthetic Rubber: Claytor 

 Corrosion of Metats and Alloys ir 

 Vi^icosity of Lubricating Oils : A. E. 



Society of C. 

 Para Rubber 



Beadle and H. P. Stevens.— Th. 

 various Solvents : A. J. Hat 

 Dunstan and J. F. Strevens. 

 RoYAi. Geographical Society, at S.^o. — The Geography of Japan and 



its Economic Development : Miss E. C. Semple. 

 Aristotelian Society, at 8.— The Notion of Cause : Hon. Bertrand 



Russell. 

 Society OF Engineers, at 7.:io.— The Generation and Electrical Trans- 

 ' " 1 of Povi'er for'Marine Transportation : W. P. Durtnall. 

 TUESDAY, November 5. 

 UTION OF Civil Engineers, at 8. — Inaugural Address by the 

 . R. Elliott-Cooper) and Presentation of Medals awarded by 



the Council. 



WEDNESDAY, No 



NO. 2244, VOL. 90] 



-The Detection and Esl 



of Chinese and Japanesi 



Wood Oil ; A. Chaston Cb.apman. — The Estimation of Manganese by the 

 Bismuthate Method : H. F. V. Little. 

 Geological Society, at 8. — A Contribution to our Knowledge of Wealden 

 Floras, with special reference 10 a Collection of Plants from Sussex : Prof. 

 A. C. Seward.— Notes on the Discovery of Fossiliferous Old Red Sand- 



stone Rocks i 



Appendix c 



Woodward. 



Entomologic 



, Borit 



: S juthall, 



the Upper De 

 - Socil 



Ealii 

 Fish-Re' 



E. Pr< 



Dr. 



Royal Society, 



jring the Thomson Effect : 

 leter and its Applications: 

 Steady State when Heat 

 .. Somers.— The Thermo- 



THURSDAY. Novembek 7. 

 4.^0. — Proltabie Papers : Radiation and .Absorption of 

 Light in Gaseous Media, with Applications to the Intensity of Sky Radia- 

 tion: L. V. King.— A Standard Measuring Machine : Dr. P. E. Shaw.— 

 A Spectro-photometric Comparison of the Emissivity of .Solid and Liquid 

 Gold at High Temperatures with that of a Full Radiat .r : E. M. Slubbs 

 and Dr. E. B. R. Prideau.x.- Optical Properties of Substances at the 

 Critical Point : C. Smith. —Absorption of Helium and other Gases under 

 the Electric Discharge: Hon. R. J. Slrutt.-(i) The Discharge between 

 Concentric Cylinders in Gases at Low Pressures; (2) The Influence of 

 the Nature of the Kathode on the Length of the Cmokes Dark Space : 

 F. W, .\ston.— The Determination of the .\bsolute Ui.it of Resistance 

 bj-jAlternating Current Methods: A. Campbell.— Some Unclassified Mech- 

 anical Properties of Solids and Liquids: A. Mallock. — Trichromatic 

 Theory of Colour Vision. The Measurement of Fatigue of the Retina : 

 Sir W. de W. Abney, K.C.B. 



FRIDA Y, November 8. 



Physical Society, at S.— On a Method of Meas 

 H. R. Nettleton.— An Improved Joule Radior 

 F. W. Jord.an.— Note on the Attainment of a 

 Diffuses along a Moving Cylinder: Miss t 

 magnetic Study of Steel : S. W. J. Smith. 



Royal Astronomical Society, at 5. 



Malacological Society, at 8.— Tivella and Grateloupia: \. J. Jukes- 

 Browne.- Some Remarkable Shell Monstrosities: G. C. Robson.— 

 NewMollusca from the Marine Tertiary Deposits of the North Pacific 

 Coast of America : Ralph Arnold and Haiold Hannibal.— Descriptions of 

 new species of Limicolaria and Krapfiella from East Central Africa : 

 H. B. Preston. 



CONTENTS. PAGE 



Theories of Solutions. By T. M. L 245 



Introductions to Biological Study 245 



Physics: Old and New 246 



Our Bookshelf 248 



Letters to the Editor: — 



The Siib-Ciag Flint Implement.s. — Sir E. Ray 



Lankester, K.C.B. , h.R.S 249 



High Tiopical Winds. — Dr. van Bemmelen . . . 250 



'I'he Blind Prawn of Galilee. — Dr. N. Annandale 251 

 Is the Eaith Shrinking ?—H. Birrell ; F. J. M. 



Stratton 251 



New Obseivations on Humble-bees. (Illii^tralcd.) 



By L. C M 252 



The Unveiling of a Statue of Priestley at Birstall. 



(///iisliat.-d.) HyJ. C. P 253 



The Proposed Memorial to Lord Lister. — Meeting 



at the Mansion House 254 



M. Lecoq de Boisbaudran. By J. H. Gardiner . . . 255 



Notes 256 



Our Astronomical Column : — 



Astronomical Occurrences for November 260 



.Schaumasse's Comet 1912/; 260 



Gale's Comet 1912a 260 



The Total Solar Eclipse of October 10 261 



International Standard Time 261 



The Origin of Life. ByJ. H. A 261 



The Scientific Theory and Outstanding Problems 

 of Wireless Telegraphy. By Prof. J. A. Fleming, 



F.R.S 262 



Modern Problems Relating to the Antiquity of Man. 



By Prof. Arthur Keith .... ...... 268 



University and Educational Intelligence .271 



Societies and Academies 272 



Books Received . 273 



Diary of Societies 274 



Editorial and Publishing Offices : 



MACMILLAN & CO., Ltd., 



ST. MARTIN'S STREET, LONDON, W.C. 



Advertisements and business letters to be addressed to the 



Publishers. 



Editorial Communications to the Editor, 



Telegraphic Address : Pnusis, Lo.ndon. 

 Telephone Number: Gerr.ird 8830. 



