2 So 



NATURE 



[May 31, 1917 



on April 26, 27, 28, and May 2, and of Schaumasse's 

 comet on April 27, 28, and May 2. — MM. Garvin and 

 Portevin : Experimental study of the cooling of various 

 metals by water. A description of experiments on the 

 •determination of the cooling curves of metals and 

 alloys suddenly immersed in cold water. — J. de Lap- 

 parent : The breccias of the Cretacean age in the 

 neighbourhood of Hendaye.^ — L. Bordas : Some points 

 ■on the anatomy of Tortrix viridana. — E. SoUaud : The 

 post-cephalic appendages of the Branchiopods and 

 their morphological signification. — A. Frouin and R. 

 Gregoire : The action of metallic tin and oxide of tin 

 in staphylococcus infections. Tin can be absorbed by 

 the digestive apparatus, from metallic tin and from 

 'Oxide of tin without poisonous effects. The thera- 

 peutic value in experimental staph5'lococcus infections 

 was proved. — R. Wurtz and R. Van Malleghem : Grave 

 ^attacks in the so-called benign tertiary fever. 



BOOKS RECEIVED. 



The Advanced Atlas of Physical and Political Geo- 

 :graphy. By Dr. J. G. Bartholomew. Pp. 96 + general 

 index, pp. 31. (Oxford : University Press.) 6s. 6d. 

 net. 



Annual Chemical Directory of the United States. 

 Edited by B. F. Lovelace. Pp. 305. (Baltimore: 

 Williams and Wilkins Co.) 5 dollars. 



Treatise on Hydraulics. By M. Merriman. Tenth 

 edition. Revised, with the assistance of T. Merriman. 

 Pp. x + 565 (New York: J. Wiley and Sons, Inc.; 

 London : Chapman and Hall, Ltd.) iSs. 6d. net. 



A Treatise on the Analytical Dynamics of Particles 

 and Rigid Bodies, with an Introduction to the Problem 

 •of Three Bodies. By Prof. E. T. Whittaker. Second 

 •edition. Pp. xii + 432. (Cambridge: At the Univer- 

 sity Press.) 155. net. 



British Forestry, Past and Present. By Prof. W. 

 Somerville. Pp. 19. (Oxford : University Press.) 6d. 

 net. 



Radiodynamics : the Wireless Control of Torpedoes 

 .and other Mechanisms. By B. F. Miessner. Pp. v + 

 206. (London : Crosby Lockwood and Son.) gs. net. 



Experimental Building Science. By J. L. Manson. 

 Vol. i. Pp. vii + 210. (Cambridge : At the University 

 Press.) 65. net. 



Refractory Materials. Pp. 189. (London : The 

 Faraday Society.) 125. 6d. net. 



Advanced Text-Book of Magnetism and Electricity. 

 By R. W. Hutchinson. Two vols. Vol. i., pp. vii+ 

 .372 + xii. Vol. ii., pp. vi+468 + xii. (London : Univer- 

 sity Tutorial Press, Ltd.) Two vols., 8s. 6d. 



The Causes of Tuberculosis : together with Some 

 Account of the Prevalence and Distribution of the 

 Disease. By Dr. L. Cobbett. Pp. xvi4-7o7. (Cam- 

 t)ridge : At the University Press.) 215. net. 



Reports of the Progress of Applied Chemistry. 

 Issued by the Society of ChemicaL Industry. Vol. i., 

 1916. Pp. 335. (London : Harrison and Sons.) 



Magnetism and Matter, By Kotaro Honda. Pp. 

 320 + 4+3. (Tokyo : Sy6kwabo.) 



One Hundred Points in Food Economy. Bv T. G. 

 Uamsay. Unpaged. "(London : G. Bell and Sons, 

 Ttd.) IS. net. 



DIARY OF SOCIETIES. 



THURSDAY, May 31. 

 ■Royal Institution, at 3.— The Art of the Essayist : A. C. Benson. 



FRIDAY, JuvE I. 

 *0VAT, Institution, at 5.30.7— The Brontiis; A Hundred Years After: 



J. H. Balfour Browne. 

 <5eologists' Association, at 7.30.— The Post-Pliocene Non-Marine 



Mollusca of Ireland : A. S. Kennard and B. B. Woodward. 



SATURDAY, June 2. " ' 



Royal Institution, at 3.— The Electrical Properties of Gases : Sir I, J. 

 Thomson. ' ,■ 



MONDA Y, June 4. 



Royal Geographical Society, at 8.30, — British Honduras: Brigadier- 

 General .Sir Kric Swaync. 



Victoria Institute, at 4.30. — Some of the Relations between Science and 

 Religion as affected by the Work of the last Fifty Years: The Very Rev. 

 H. Wace. 



TUESDAY, June 5. 



Royal Institution, at 3. — The Flow of Ice and of Rock : Prof. W. W. 

 Watts. 



Royal Anthkopological Institute, at 5.— Links of North and South : 

 Prof. W. M. F. Petrie. 



Zoological Society, at 5.30. — Exhibition on behalf of Mes.srs. Rowland 

 Ward of Two Zebra-skins i-howing Abnormal Pattern: R. I. Pocock, — 

 The Poultry Exhibition : D. Seth-Smith. 



Rontgen society, at 8.15. — Annunl General Meeting. — Resutned Discus- 

 sion : The Future of the British X-Ray Industry : Captain R. Knox. 



WEDNESDAY, Juni; 6. 



Geological Society, at 5.30. — The Geology of the Old Radnor District, 

 with special reference to Algal Development in the Woolhope Rocks : 

 Prof. E. J. Garwood and Miss E. Goodyear. — A contribution to Jurassic 

 Chronology : S. S. Buckman. 



Society of Public Analysts, at 8. — Some Experiences in the Use of 

 Copper Sulphate in the Destruction of Algae : G. Embrey.— (i) A Com- 

 bined ReichertPolenske and Modified Shrewsbiiry-Knapp Process ; (2) 

 The Differentiation between Coconut and Palm Kernel Oils in Mixtures : 

 G. D. Eisdon.— Orange Pip Oil : Dorothy G. Hew r.— The Estimation of 

 Theobromine : Norah Elliott and G. Brewer. — Rapid Estimation of the 

 Strength of Sulphuric Acid : H. D. Richmond and J. E. Merreywether. 



Entomological Society, at 8. 



THURSDAY, June 7. 

 Royal Institution, at 3.— The Art of the Biographer : A. C. Benson. 



FRIDAY, June 8. 

 Royal Institution, at 5.30.— Industrial Applications of Electrons: Sir 



J. J. Thomson. 

 Royal Astronomical Society, at 5. 



SATURDAY, }viiK<). 

 Royal Institution, at 3. — The Electrical Properties of Gases: Sir J. J. 



Thomson. 

 Aristotelian Society, at 8.-;-(At Cambridge.)— The Conception of a 



Cosmos ; Prof. J. S. MacKenzie. 



SUNDAY, Jvtir.io. 

 Aristotelian Society, at 8. — (At Cambridge.) — Symposium: Are the 

 Materials of Sense Affections of the Mind?: Dr. G. E. Moore, W. E. 

 Johnson, Prof. G. Dawes Hicks, Prof. J. A. Smith, and Prof. James 

 Ward. 



CONTENTS. PACK 



New Botanical Handbooks .... 261 



Physical Chemistry. By Prof. W. C. McC. Lewis 262 



Our Bookshelf . . . 263 



Letters to the Editor: — 



Plated Teeth of Sheep.— Beeby Thompson . . . 264 

 J. E. B. Mayor and Todhunter. — Edmund Symes 



Payne . . .... 264 



The Remoulding of National Administrative Insti- 

 tutions. By Prof. W. Peddie . . 264 

 Antiseptics, and the Treatment of Infected Wounds 265 



Home-grown Sugar. By C. C 266 



Sir A. R. Binnie 267 



Notes i 267 



Our Astronomical Column :— ' 



Comet I9(7(J (Schaumasse) 271 



Fireballs in June 271 



Kodaikanal Observatory Report 272 



South Georgia. {llhistrated). By Prof. J. W. 



Gregory, F.R.S. 272 



Sources of Nitrogen Compounds 274 



Hesearch Institutions in the United States .... 274 



University and Educational Intelligence 278 



Societies and Academies 279 



Books Keceived 280 



Diary of Societies 280 



Editorial and Publishing Offices : 



MACMILLAN AND CO., Ltd., 



ST. 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. 2483, VOL. 99] 



