278 



NATURE 



[November 4, 19 15 



Food Economy in War Time. By Profs. T. B. 

 Wood and F. G. Hopkins. Pp. 35. (Cambridge : 

 At the University Press.) 6d. net. 



Forty-fourth Annual Report of the Local Govern- 

 ment Board, 19 14-15 : Supplement in Continuation 

 of the Report of the Medical Oflficer of the Board for 

 1914-15, containing a Report on Maternal Mortality 

 in connection with Child-bearing and its relation to 

 Infant Mortality. Pp. 140. (London : H.M.S.O. ; 

 Wyman and Sons, Ltd.) ']\i. 



Modern Chemistry and its Wonders. By Dr. G. 

 Martin. Pp. xvi + 351. (London: Sampson Low and 

 Co., Ltd.) 75. 6d. net. 



The Student's Handbook to the University and 

 Colleges of Cambridge. Fourteenth edition, revised 

 to June 30, 1915. Pp. 14 + 701. (Cambridge: At the 

 University Press.) 35. net. 



The Caliph's Last Heritage : a Short History of 

 the Turkish Empire. By Lt.-Col. Sir M. Sykes. 

 Pp. xii + 638. (London : Macmillan and Co., Ltd.) 

 10s. net. 



Statistical Theory of Energy and Matter. By Dr. 

 T. Wereide. Pp. xv+ 170. (Kristiania : Gyldendalske 

 Boghandel Nordisk Forlag.) 



Tasmania. Department of Mines. Geological 

 Survey Bulletin, No. 20 : The Catamaran and Strath- 

 blane Coal Fields and Coal and Limestone at Ida Bay 

 (Southern Tasmania). By W. H. Twelvetrees. Pp. 

 59 ; Maps and Sections. (Hobart : J. Vail.) 



Canada. Department of Mines. Mines Branch : 

 Results of the Investigation of Six Lignite Samples 

 obtained from the Province of Alberta. By B. F. 

 Haanel and J. Blizard. Pp. viii+iio. Report on the 

 Salt Deposits of Canada and the Salt Industry. By 

 L. H. Cole. Pp. vii+152. (Ottawa: Government 

 Printing Bureau.) 



British Birds. Written and illustrated by A. Thor- 

 burn. In four volumes. Vol. II. Pp. vi+72 + plates 

 21-40. (London : Longmans and Co.) Set of 4 vols., 

 6 guineas net. 



An Introduction to Social Psychology. By W. 

 McDougall. Ninth edition. Pp. xvii + 431. (Lon- 

 don : Methuen and Co., Ltd.) 5s. net. 



Mechanical Technology : being a Treatise on the 

 Materials and Preparatory Processes of the Mechanical 

 Industries. By Prof. G. F. Channock. Pp. x + 635. 

 (London : Constable and Co., Ltd.) 7s. 6d. net. 



Unit Photography. By F. M. Steadman. Pp. xi + 

 160. (London : Constable and Co., Ltd.) %s. 6d. net. 



Limes and Cements : Their Nature, Manufacture, 

 and Use. By E. A. Doncastisr. Pp. xii + 212. (Lon- 

 don : Crosby Lockwood and Son.) 55. net. 



The Molecular Volumes of Liquid Chemical Com- 

 pounds from the Point of View of Kopp. By G. Le 

 Bas. Pp. xii + 275. (London: Longmans and Co.) 

 ys. 6d. net. 



The Life Story of an Otter. By T. C. Tree-arthen. 

 New edition. Pp. xiii+188. (London: J. Murray.) 

 2S. 6d. net. 



The Story of a Hare. By J. C. Tregarthen. New 

 edition. Pp. xi + 196. (London: J. Murray.) 2s. 6d. 



DIARY OF SOCIETIES. 



THURSDAY, November 4. 



^^X'^.V Society, at 4.3-..— A Diagram to Faci'itate the Study of External 

 Ballistics: Prof. W. E. Dalbv.-An Application of the Principle of 

 Dynamical Similitude to Molecular Physics: W. R. Hardy.— The 

 Motion of a Stream of Finite Depth past a Body : R. Jones. — Deep-sea 

 Watw; Waves caused by a Local Disturbance on or beneath the Surface : 

 K. Terazawa — The Consumption of Carbon in |the Electric Arc : 

 W. G. Oumeld. 



SOCIETY OF Engineers, at 7.30. 



TUESDAY, November 9. 



MiNERALOGiCAL SOCIETY (Anniversary Meeting), at 5.30.— Crystal - 

 lographic Relations of Allied Substances traced by means of the Law of 

 Valency Volume : W. Barlow.— Torbernite : A. V. Hallimond.— The 

 Solution of the Problem of Four I autozonal Poles : T. V. B.-irker.— 

 Crystals of Iron Phosphide from a Blast- Furnace : L. J. Spencer.— The 

 Meteoric Sione of Cronstad, Orange River Colony: Dr. G. T. Prior. 



Zoological Society, at 5.30. — Some Notes upon the Anatomy of /?««« 

 tigrina: Dr. G. E. Nicholls. — (1) The Distribution of Secondary Sexual 

 Characters amonest Birds, with Relation to their Liability to ihe Attack 

 of Enemies ; (2) Some Observations on Pattern-blending, with Reference 

 to Obliteralive Shading and Concealment of Outline : J. C. Mottram.— A 

 Collection of Mammals from the Coast and Islands of S.E. Siam, with an 

 Account of the Fruit-bats by Dr. Knud Andersen : C. Boden Kloss.— 

 Fauna of West Australia. 111. A New N emertean — 6Vo««w^riff i dendyi, 

 sp. n. —being the First Recorded Land Nemertean from Western Aus- 

 tralia. IV. Palofmonetes australis, sp. n., being the First Record of the 

 Genus in Australia : Prof. W. J. Dakin. 



THURSDAY, November ii. 



PoYAi, Society, at 4.30.— Prfj^aW^ Pai>ers : Effects of Function .Activity 

 in Striated Muscle and the Submaxillary Gland : J. Barcroft and T. Kato. 

 — Studies on a priori Palhometry. 1. : Sir Ronald Ross. — The Spread 

 of the Excitatory Process in the Vertebrate Heart. I. I he Toad's Ven- 

 tricle. II. The Tortoise Ventricle. III. The Dog's Ventricle. V. The 

 Bird's Heart. IV. The Human Ventricle : T. Lewis.— Analysts of Agri- 

 cultural Yield. II. The Sowing-date Experiment with Egyptian Cotton, 

 1913; W. L.Balis and F. S. Holton.— Williamsoniella, a New Type of 

 Bennettitalean Flower : H. H. Thomas. 



FRIDAY, November 12. 



Royal Astronomical Society, at 5. 



CONTENTS. PAGE 



Science and Nescience 251 



The Complete Works of Tycho Brahe. By Dr. 



Andrew C. D. Crommelin 252 



Plant-Breeding 253 



The British Rainfall Organisation 254 



New Books on Chemistry. By J. B. C 255 



Our Bookshelf 256 



Letters to the Editor: — 



The Manganese Ore Requirements of Germany. — 



Prof. H. C. H. Carpenter 256 



The Government Scheme lor the Organisation and 

 Development of Scientific and Industrial Research. 

 —Prof. William A. Bone. F.R.S. .259 



Science in National Affairs. — Prof. W. M. Bayliss, 



F.R.S. . 260 



A New X-Ray Technique.— C. E. S, Phillips ... 261 



Australian Photographs.— Prof. T. Johnson . . . 262 



Explosive Bombs. — Alfred S. E. Ackermann . . . 262 



Trench " Frost-Bite." By Prof. R. T. Hewlett . . 262 



British Bird Books. (Illustrated.) By O. V. A. . 263 



Sir Andrew Noble, Bt., K.C.B., F.R.S. ByP.A.M. 264 



Dr. R. Assheton, F.R.S. By E. W. M 266 



Notes 267 



Our Astronomical Column :— 



The Andromeda Nebula 271 



A Long-Period Spectroscopic Binary 271 



Sun-Spots and Temperatures 271 



The Union Observatory 271 



The Orbit of B.A.C. 5890 271 



Iron and AUotropy . 272 



Preventive Medicine in Pennsylvania. By H. P. N. 273 



Chemistry at the British Association 273 



Geography at the British Association. By John 



McFarlane 275 



University and Educational Intelligence 276 



Societies and Academies 277 



Books Received 277 



Diary of Societies ... 278 



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 : Phusis, London. 

 Telephone Number : Gerrard 8830. 



NO. 2401, VOL. 96] 



