390 



NATURE 



[December 2, 1915. 



Relativity and the Electron Theory. By E. Cun- 

 ningham. Ppj vii + 96. (London : Longmans and 

 Co.) 45. net. 



The Telephone and Telephone Exchanges, their 

 Invention and Development. By J. E. Kingsbury. 

 Pp. x + 558. (London : Longmans and Co.) 12s. 6d. 

 net. 



The Positive Sciences of tha Ancient Hindus. By 

 Dr. B. Seal. Pp. viii + 295. (London : Longmans and 

 Co.) 12^. 6d. net. 



Morphology and Anthropology. By Dr. W. L. H. 

 Duckworth. Second edition. Vol. i. Pp. xiv + 304. 

 (Cambridge : At the University Press.) \os. 6d. net. 



New South Wales. Department of Mines. Geo- 

 logical Survey. Mineral Resources. No. 18 : The 

 Canbelego, Budgery, and Budgerygar Mines, part ii. 

 of the Cobar Copper and Gold-Field. By E. C. 

 Andrews. Pp. vii+121. (S)'dney : W. A. Gullick.) 



The Annual of the British School at Athens. No. xx. 

 Session 1913-1914. Pp. iv+182. (London: Macmillan 

 and Co., Ltd.) 215. net. 



Historical Introduction to Chemistry. By Prof. 

 T. M. Lowry. Pp. xv + 584. (London : Macmillan 

 and Co., Ltd.) 85. 6d. net. 



Memoirs of the Geological Survey. England and 

 Wales. The Geology of the Country between Whitby 

 and Scarborough. By C. Fox-Strangways and G. 

 Burrow. Second edition. Pp. iv+ 144. (London : 

 H.M.S.O. ; E. Stanford, Ltd.) 2s. 6d. 



Diesel Engines for Land and Marine Work. By 

 A. P. Chalkley. Fourth edition. Pp. xvii + 368. 

 (London : Constable and Co., Ltd.) 85. 6d. net. 



Apparitions and Thought-Transference. By F. Pod- 

 more. New edition. Pp. xviii + 467. (London: 

 Walter Scott Publishing Company, Ltd.) 6s. 



A Text Book of Elementary Chemistry. By Prof. A. 

 Smith. Pp. x + 457. (London : G. Bell and Sons, 

 Ltd.) 55. net. 



A Laboratory Outline of Elementary Chemistry. 

 By Prof. A. Smith. Pp. 152. (London : G. Bell and 

 Sons, Ltd.) 2S. net. 



The Metallurgy of Gold. By Sir T. K. Rose. Sixth 

 edition. Pp. xix + 6oi. (London: C. Griffin and Co., 

 Ltd.) 225. 6d. net. 



The Structure of the Fowl. Bv Dr. O. C. Bradlev. 

 Pp. xi + 153. (London: A. and C. Black, Ltd.) 

 35. 6d. net. 



Board of Agriculture and Fisheries. Report of the 

 Agricultural Education Conference : Agricultural Edu- 

 cation for Women. Pp. 84. (London : H.M.S.O. ; 

 Wyman and Sons, Ltd.) is. 3d. 



Vigour and. Heredity. By J. L. Bonhote. Pp. xi + 

 263. (London : West, Newman and Co.) los. 6d. 

 net. 



Egypt of the Egyptians. By W. L. Balls. Pp. 

 xvI + 266. (London: Sir I. Pitman and Sons, Ltd.) 

 6s. net. 



The " Wellcome " Photographic Exposure Record and 

 Diary, iqi6. Pp. 256. (London : Burroughs Well- 

 come and Co.) is. 



DIARY OF SOCIETIES. 



THURSDAY, December 2. 

 ROVAL Society, at 4.30.— Note on the Existence of Converging Seqi 

 in certain Oscillating Successions of Functions : W. H. Young.— 

 The Emulsifying Action of Soap; a Contribution to the Theory of 

 Tietergent Action : S. A. Shorter and S Ellingworth.— The Newtonian 

 Constant of Gravitation as affected by Temperature: P. E. Shaw.— 

 Skin Friction of the Wind on the Earth's Suiface : G. I. Taylor. 

 FRIDAY, December 3. 

 Geologists' Association , at 7.30.— Some Features of the Antarctic Ice: 

 J. D. Falconer. 



MONDAY, December 6. 

 Royal Society of Arts, at 4.30.— Optical Glass: Dr. W. Rosenhain. 

 Society op Engineers, at y.so.^The Modern Development of Water 

 Power : A. Steiger. 



Society of Chemical Industry, at 8.— The Use of Graphical Methods 



in the Solution of Problems in Technical Chemistry : Prof F. G. Donnan. 



—The Transport of Material in the Form of Dust : T. C. Cloud.— 



Sampling and Analysis of Beeswax : M. S. Salamon. 



WEDNESDAY, December 8. 



Faraday Society, at 8. — Discussion on " The Corrosion of Metals- 

 Ferrous and Non-ferrous." 



Royal Sociktv of Arts, at 4.30.— The Art of Finding your Way at 

 Night without a Compass : Lieut.-Col. W. A. Tilney. 

 THURSDAY, December 9. 



Royal Society, at 4.30.— Croonian Lecture: 'J'he Respiratory Process in 

 Muscle; and the Nature of Muscular Motion: Dr. W. M. Fletcher and 

 Prof F. G. Hopkins. 



Mathematical Society, at 5.30.— The Vibrations of a Special Type 

 of Dissipative System : H. Jeffreys.— Diffraction by a Wedge : F. J. W. 

 Whipple. — Some Applications of the Two-three Birational Space Trans- 

 formation: T. L. Wren. 



Optical Society, at 8.— Improvements in Prismatic Compasses, with 



Special Reference to the CreaKh-Osborne Patent Compass : A. Hughe.s. 



FRIDAY, December i«. 



Royal Astronomical Society, at 5. 



Malacological Society, at 7. — Note on the Oligocene of Tampa, 

 Florida, the Panama Canal 2one, and the Antillean Region : Dr. W. H. 

 Dall. — Description of Two New Species of Angasella: G. K. Gude. 



CONTENTS. PAGE 



Work and Worth 363 



Recent Developments in Chemical Technology. 



ByT 365 



Alligators. By G. A. B 367 



Plane Surveying. By H. G. L 367 



Our Bookshelf 368 



Letters to the Editor:— 



A Question of Albedo.— J. Evershed, F.R.S. . . 369 



Duty-Free Alcohol.— Spencer Pickering, F.R.S. . 370 

 Standards and Functions of Museums. — Dr. F. A. 



Lucas ; W. P. P 370 



Multiple-Character Evolution. — Dr. H. Gadow, 



F.R.S 370 



Egypt and the Far East. By L. W. K 370 



Industrial Scientific Research 371 



The Supply of Nitrates 372 



Prof. Theodor Boveri 372 



Adolphe Greiner 373 



Anniversary Meeting of the Royal Society. . . . 373 



Notes 375 



Our Astronomical Column :— 



Comet 1915^ (Mellish) • . . 379 



Occultations by the Moon 379 



The Perseid Meteors in 1915 379 



Radial Velocities and Distances of the Stars .... 380 



A New Astronomical Publication 380 



Lancashire Sea-Fishery Investigations 380 



The Action of Gases on Iron and Steel 380 



Science and Civilisation. By Dr. W. W. Campbell 381 



University and Educational Intelligence 386 



Societies and Academies 387 



Books Received 389 



Diary of Societies 390 



Editorial and Publishing Offices : 



MACMILLAN & CO., Ltd., 



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



Advertisements and business letters to be addressed to the 

 Publishers 



NO. 2405, VOL. 96] 



Editorial Communications to the Editor. 

 Telegraphic Address : Phusis, London. 

 Telephone Number : Gerrard 8830. 



