214 



NATURE 



[October 17, 191: 



BOOKS RECEIVED. 



Memoirs of the Geological Survey, Scotland. The 

 Geology of the Districts of Braemar, Ballater, and 

 Glen Clova. By G. Barrow and E. H. C. Craig, with 

 contributions by L. W. Hinxman. Pp. vi+138. 

 (London : H.M. Stationery Office.) 2S. 6d. 



Transport de Force. By C. Le Roy. Premiere 

 Partie. Pp. ii + 172. (Paris: A Hermann et Fils.) 

 o francs. 



The Elements of Qualitative Chemical Analysis. By 

 Prof. J. Stieglitz. Vol. i., parts i and 2. Pp. xi + 312. 

 \'ol. ii., parts 3 and 4. Pp. viii+151. (New York: 

 The Century Co.) 1.40 dollars and 1.20 dollars. 



Michael Heilprin and His Sons : a Biography. By 

 G. Pollak. Pp. xvi + 540. (New York: Dodd, Mead 



and Co. 



. ?o dollars net. 



Telephotography. By C. F. Lan-Davis. Pp. xi + 

 130. (London : G. Routledge and Sons, Ltd.) 2s. 

 net. 



The Sociological Value of Christianity. By Dr. G. 

 Chatterton-Hill. Pp. xxii + 28s. (London: A. and C. 

 Black.) ys. 6d. net. 



The Cotton Plant in Egypt. By W. L. Balls. Pp. 

 xvi + 202. (London: Macmillan and Co., Ltd.) 55. 

 net. 



Studies in Light Production. By Dr. R. A. Hous- 

 toun. Pp. iv+115. (London: The Electrician Print- 

 ing and Publishing Co., Ltd.) s-s- net. 



Electromagnetic Theory. By O. Heaviside. Vol. iii. 

 Pp. ix + sig. (London -.The Electrician Printing and 

 Publishing Co., Ltd.) 21s. net. 



Memoirs of the Geological Survey, England and 

 Wales. The Water Supply of Surrey, from Under- 

 ground Sources, with Records of Sinkings and Borings. 

 By W. Whitaker, with contributions on the Rainfall 

 by Dr. H. R. Mill. Pp. v + 352 + map. (London: 

 H.M. Stationery Office.) ys. 



The Physics and Chemistry of Mining. By T. H. 

 Bvrom. Pp. xii + 196. (London: Crosby Lockwood 

 and Son.) 35. 6d. net. 



The Sheep and its Cousins. By R. Lydekker. Pp. 

 XV + 313. (London: G. Allen and Co., Ltd.) los. 6d. 

 net. 



Jahrbuch der drahtlosen Telegraphie und Tele- 

 phonle. By Prof. J. Zenneck. Edited by Dr. G. 

 Eichhorn. Band v., Heft 1-6. Pp. 650 + vi. (Leip- 

 zig : J. A. Barth.) 



Elementary Chemical Theory and Calculations. By 

 Dr. J. Knox. Pp. vii+103. (London: Gurney and 

 Jackson.) 2s. net. 



Physiologische Morphologic. By Prof. S. Passarge. 

 Pp. 205. (Hamburg : L. Friederichsen and Co.) 



Perfect Health for Women and Children. By E. S. 

 Chesser. Pp. xi + 276. (London: Methuen and Co., 

 Ltd.) 35. 6d. net. 



The Mechanistic Conception of Life. By Dr. J. 

 Locb. Pp. vi + 232. (Chicago: The University of 

 Chicago Press ; Cambridge : The University Press.) 

 6s. net. 



Katalog der paljiarktischen Hemlpteren. By B. 

 Oshanin. Pp. xvi+187. (Berlin: R. Friedlander 

 und Sohn.) 12 marks. 



Conferences sur Ouelques Themes Choisis de la 

 Chimie Physique Pure et Appliqu^e. Faites h I'Uni- 

 vfrsit(5 de Paris du 6 et 73 Mars, toil By S. 

 .\rrh6nius. Pp. ii+113. (Paris: A. Hermann et 

 Fils.) 3 francs. 



Life : its Nature, Origin, and Maintenance. By 

 Prof. E. A. Schafer. Pp. 36. (London : Longmans 

 and Co.) is. net. 



The Growth of Groups in th .\nimal Kingdom. 

 By Dr. R. E. Lloyd. Pp. vii+185. (London: Long- 

 mans and Co.) (,.■;. net. 



XO. 2242, VOL. 90] 



The Snakes of South Africa : their Venom and the 

 Treatment of Snake Bite. By F. W. Fitzsimons. New 

 edition. Pp. xvi + s47. (Cape Town and Pretoria: 

 T. M. Miller; London : Longmans and Co.) 12s. 6d. 

 net. 



A Text-book of Physics. By H. E. Hurst and 

 R. T. Lattey. 3 vols. 'Pp. vi+"205; 177; 258. (Lon- 

 don: Constable and Co., Ltd.) 3s. 6d. net; 3s. 6d. 

 net; 4s. net. 



DIARY OF SOCIETIES. 



THURSDAY. Oct.ibfk 17. 

 OF MixiN.i AND iMetaliukgy, at S.— The Flotation Pro- 

 cess : as applied to the Concentration of Copper Ore at the Kyloe Copper 

 Mine, New South Wales: .1. W. Ashcroft.— Notes on the Collection of 

 Precious Metals as Speiss in the Smelting of Antimonial Concentrates ; 

 G. C. McMurtry.— A System of Sand-filling used on the Rand : R. E. 

 Sawyer. 



FRIDAY, October 25. 

 iNSTtTUTlON ofMechanical ENGINEERS, at 8. — Characteristic Dynamical 

 Diagrams for the Motion of a Train during the Accelerating and Retard- 

 ing Periods : Prof. W. E. Dalby. 

 Phvsicai, Society, at 5. 



CONTENTS. PAGE 



Nature in Roman Literature. By Prof. T. Herbert 



Warren ' 1S5 



Physics — Popular and Applied 1S7 



Micro-organisms and the Homestead. Ev Prof. 



R. T. Hewlett '. . . . iSS 



Our Bookshelf 1S9 



Letters to the Editor: — 



The .Synthesis of Matter. — Prof. Benjamin Moore igo 

 The Jaw from the .Stalagmite in Kent's Cavern. — 



A. R. Hunt 190 



A I'earlfroniNniitilus. (niustra/eii.)—'Dr. H. Lyster 



Jameson ..... 191 



Errors of the Computed Times of Solar Eclipse 



Phenomcm. — Father A. L. Cortie 191 



British Rainfall in 1911. {With Map.) By C. H. . . 192 

 The Eighth International Congress of Applied 



Chemistry. Hv Prof. G. T. Morgan 19 



Prehistoric Mural Decorations in Bacons Hole, 



South Wales 195 



Notes - 195 



Our Astronomical Column : — 



Gale's Comet. 19121; 19S 



The Recent Tola! Eclipse of the Sun 199 



The Constant of Aberration 199 



The Autumn Meeting of the Institute of Metals. 



{Illustyatcd.) 199 



The Surface-tension of Living Cells. Bv Dr. F. F. 



Blackman, F.R.S .' 20I 



The British Association at Dundee : — 



Section L. — Education.al Science. — Opening AddreiiS 

 by Prof. John Adams, M.A., B.Sc, LL.D., 



Presitlent of the Section 202 



Geology at the British Association. By W. 



Lower Carter 207 



University and Educational Intelligence 212 



Societies and Academies 213 



Books Received 214 



Diary of Societies 214 



Editorial and Publishing Offices : 



MACMILL.AN St CO., Ltd., 



ST. iM[.\RT]N'S STREET, LONDON, W.C. 



Advertisements and iitsiness letters to he addressed to the 



Publishers. 



Editorial Communications to the Editor. 



Telegraphic .Address 

 Telephone Xunibcr ; 



: Phusis, London. 

 Gerrard S830. 



