28o 



NATURE 



[December 6, 1917 



ceous of the Pe6ora region.— P. Zemiatienskij : The 

 absorbent properties of Russian clays. — K. K. Matveev : 

 Radio-active minerals of the Bor§(^ovok range. — Ja. V, 

 Samojlov and A. G. Titov : Ferro-magnesian concretions 

 from the beds of the Black Sea, the Baltic, and the 

 Barents Sea. 



BOOKS RECEIVED. 



The Life of Sir Clements R. Markham, K.C.B., 

 F.R.S. By Admiral Sir A. H. Markham. Pp. xi + 

 384. (London : J. Murray.) 155. net. 



The Life of Sir Colin C. Scott-Moncrieff. Edited by 

 Mary A. Rollings. Pp. xii + 374. (London: J. Murray.) 

 125. net. 



Adolescence. By S. Paget. Pp. 59. (London : Con- 

 stable and Co., Ltd.) yd. net. 



The Human Body. By Prof. H. N. Martin. Tenth 

 edition, revised by Prof. E. G. Martin. Pp. xviii + 64Q. 

 (New York : H. Holt and Co.) 



The Wheat Problem. By Sir W. Crookes. Third 

 edition, with Preface, and Additional Chapter, bringing 

 the Statistical Information up to date, and a Chapter 

 on Future Wheat Supplies, by Sir R. H. Rew. Pp. xvi-t- 

 100. (London : Longmans and Co.) 35. 6d. net. 



The American Indian. By C. Wissler. Pp. xiii + 

 435. (New York : D. C. McMurtrie.) 



The Self and Nature. By Prof. De Witt H. Parker. 

 Pp. ix + 316. (Cambridge, Mass. : Harvard University 

 Press ; London : H. Milford.) Ss. 6d. net. 



Notions Fondamentales de Chimie Organique. By 

 Prof. _C. Mouren. Fifth edition. Pp. 548. (Paris : 

 Gauthier-Villars et Cle.) 20 francs. 



The Chemical Constitution of the Proteins. By Dr. 

 R. H. A. Plimmer. In three parts. Part i.. Analysis. 

 Third edition. Pp. xii+174. (London: Longmans 

 and Co.) 65. net. 



Treatise on Applied Analytical Chemistry. By Prof. 

 V. Villavecchia and others. Translated by T. H. 

 Pope. Vol. i. Pp. xvi + 475. (London: J. and A. 

 Churchill.) 215. net. 



Quantitative Chemical Analysis. By Prof. F. 

 Clowes and J. B. Coleman. Eleventh edition. Pp. 

 xxiv + 58o. (London : J. and A. Churchill.) 12s. 6d. 

 net. 



Therapeutic Immunisation. By Dr. W. M. Crofton. 

 Pp. 224. (London : J. and A. Churchill.) 75. 6d. net. 



Reagents and Reactions. By Prof. E. Tognoli. 

 Translated by C. A. Mitchell. Pp. viii + 228. (Lon- 

 don: J. and A. Churchill.) 6s. net. 



Locke's Theory of Knowledge and its Historical 

 Relations. By Prof. J. Gibson. Pp. xiv + 338. (Cam- 

 bridge : At the University Press.) 105. 6d. net. 



The Problem of Creation. By the Rt. Rev. J. E. 

 Mercer. Pp. xiii + 325. (London: S.P.C.K.) ys. 6d. 

 net. 



The Vegetable Garden. By E. J. S. Lay. Pp. 144. 

 (London : Macmillan and Co., Ltd.) 15. 6d. 



DIARY OF SOCIETIES. 



THURSDAY, December 6. 



Royal Society, 314.30.— The Series of Legendre : Prof. W. H. Young.— 

 The Discharge of Gases under High Pressures : L. Hartshorn. — Internal 

 Balh'stics : Lieut. -Col. A. G. Hadcock.— The Electrostatic Problem of a 

 Conductitig Sphere in a Spherical Cavity: Dr. Alex. Russell. — The 

 Zeroes of Bessel Functions ; Prof G. N. Waison. 



Institution of Elf.ctrical Engineers, at 6. — Electrical Cooking as 

 applied to Large Kitchens : W. A. Gillott! 



Chemical Society, at 8. — The Relation between Chemical Constitution 

 and Physiological Action : Dr. K. L. Pyman. 



Mathematical Society at 5.— A New Method of describing a Three-bar 

 Curve: Col. R. L. Hippisley.— Proof of the Primality of N = i(iol9-i): 

 Oscar Hoppe.— New Tauberian Theorems : Messrs. Hardy and Littlewood. 



—The Curves which lie on the Quartic Surface in Space of Four 

 Dimensions and the corresponding Curves on the Cubic Surface and the 

 Quartic with a Double Conic : C. V. Hanumanta Rao.— {i) The con- 

 nection between Legendre Series and Fourier Series ; (2) Series of Bessel 

 Functions: Prof. W. H. Young. 



MONDAY, December ^o. 

 Royal Society of Arts, at 4.30.— Progress in the Metallurgy of Copper : 



Prof. H. C. H. Carpenter. 

 Royal Geographical Society, at 8.30. — The Future of Siberia and her 



Neighbours : Col. Harold Swayne. 



WEDNESDAY, Deceme 



I raining 



Disabled 



Royal Society of Arts, at 4.30.— Technical 

 Soldiers and Sailors : Lord Charnwood. 



Faraday Society, <at 7.50. — Annual General Meeting. — At 8. — A Study of 

 the Refractivities of Saturated and Unsaturated Comjjounds. I. and II. : 

 Gervaise Le Has. — The Thermal Properties of Sulphuric Acid and Oleum : 

 Dr. Alfred W. Porter.— Iso-piestic Solutions : W. R. Boiisfield, K.C. 



THURSDAY, December 13. 



Royal Society, at 4.30. — Probable Papers: The Formation of Nitrites 

 from Nitrates in Aqueous Solution by the Action of Sunlight and the 

 Assimilation of the Nitrites by Green Leaves in Sunlight: B. Moore. — 

 The Transition from Rostro-carinate Flint Implements to the Tongue- 

 shaped Implements of River-terrace Gravels : J. R. Moir. 



LiNNEAN Society, at 5. — Seeds with a Stony Endocarp and their Ger- 

 mination : A. W. HiW. —/nter se Experiments in Pheasant Crossing in 

 evidence of Mendel's Law : Mrs. R. Haig Thomas. 



Royal Society of Arts, .it 4.30. — The Trade of India with Russia, 

 France, and Italy: D. T. Chadwick. 



Optical Society, at 8.- Proposed Standard Optical Notation and Sign 

 Convention: J. W. French. — Optical Nomenclature and Symbolism: 

 T. Smith. 



Institution of Electrical Engineers, at 6. — Discussion on the Metric 

 System. Introductory Papers by L. B. Atkinson and A. J. Stubbs. 



FRIDAY, December 14. 

 Royal Astronomical Society, at 5. 



Institution of Mechanical Engineers, at 6. — T'he Use of Soap Films 

 in Solving Torsion Problems : A. A. Griffith and G. I. Taylor. 



CONTENTS. PAGE 



The Co-ordination of Research 261 



The Order of Nature. By J. S. H 262 



Higher Algebra and Dynamics. By G. B. M. . 263 



Biology of Water Supplies 264 



Our Bookshelf 265 



Letters to the Editor:— 



Earthquake in Burma. — F. N. Burn 265 



The Nitrogen Problem 266 



Science and Other Humanistic Studies in Schools 267 



Notes 268 



Our Astronomical Column :— 



Erratic Changes in Clock Rates 272 



The Hector Observatory, New Zealand 272 



Orbits of Three Spectroscopic Binaries 273 



Palaeontological Papers. By G. A. J. C. . . . 273 

 Indian Irrigation. {Illustrated.) By Dr. Brysson 



Cunningham 274 



Anniversary Meeting of the Royal Society . . , 275 



University and Educational Intelligence .... 277 



Societies and Academies . . 277 



Books Received 280 



Diary of Societies 280 



Editonal and Publishing Offices : 

 MACMILLAN AND CO., Ltd., 

 MARTIN'S STREET, LONDON, W.C.2. 



Advertisements and business letters to be addressed to the 

 Publishers. 



Editorial Communications to the Editor. 

 Telegraphic Address : Phusis, London. 

 Telephone Number : Gerrard 8830. 



NO. 2510, VOL. 100] 



