192 



NATURE 



[October 15, 1914 



BOOKS RECEIVED. 



Canada. Department of Mines. Geological Survey. 

 Memoir 39. No. 35. Geological Series. Kewagama 

 Lake Map-Area, Quebec. By M. E. Wilson. Pp. 

 vi + 139+ plates + map. No. 24. Geological Series. 

 The Archaean Geology of Rainy Lake, Re-studied by 

 A. C. Lawson. Pp. vii+115 + map. (Ottawa: 

 Government Printing Bureau.) 



The Mechanical Properties of Wood. By Prof. S. J. 

 Record. Pp. xi+165. (New York: J. Wiley and 

 Sons, Inc. ; London : Chapman and Hall, Ltd.) 

 75. 6d. net. 



Modern Tunneling, with Special Reference to Mine 

 and Water-Supply Tunnels. By D. W. Brunton and 

 J. A. Davis. Pp. vi4-4So. (New York : J. Wiley and 

 Sons, Inc. ; London : Chapman and Hall, Ltd.) 15s. 

 net. 



Forage Plants and their Culture. By C. V. Piper. 

 Pp. XX + 618. (London: Macmillan and Co., Ltd.) 

 ys. 6d. net. 



Pasteur, and after Pasteur. By S. Paget. Pp. 

 xii+152. (London: A. and C. Black.) 3s. 6d. net. 



Experiments : a Volume for all who are Interested 

 in Progress. By P. E. Edelman. Pp. 256. (Minne- 

 apolis : P. E. Edelman.) 1.50 dollars. 



A History of the Teaching of Domestic Economy. 

 By A. Yoxall. Pp. 56. (London : Knopp, Drewett 

 and Sons, Ltd.) 6d. 



Transactions of the Royal Scottish Arboricultural 

 Society. Vol. xxviii. Part 2. (Edinburgh : Douglas 

 and Foulis.) 5s. 



Annals of the South African Museum. Vol. x. 

 Part xi. (London : West, Newman and Co.) i8s. 



Quarterly Journal of the Royal Meteorological 

 Society. Vol. xl. No. 172. (London : E. Stanford, 

 Ltd.) 55. 



Canada. Department of Mines. Geological Survey. 

 Museum Bulletin. No. 2. Pp. 140. (Ottawa : 

 Government Printing Bureau.) 



Board of Education. Reports for the Year 1912-13 

 from those Universities and University Colleges in 

 Great Britain which are in Receipt of Grant from 

 the Board of Education. Vol. i. Pp. xxxi + 489. 

 Vol. ii. Pp. 484. (London : H.M.S.O. ; Wyman and 

 Sons, Ltd.) 25. id. and 2s. respectively. 



Quain's Elements of Anatomy. Eleventh edition. 

 Edited by Sir E. A. Schafer, Prof. J. Symington, and 

 Prof. T. H. Bryce. Vol. ii., part ii. Splanchnology. 

 By J. Symington. Pp. x + 392. (London: Longmans 

 and Co.) 105. 6d. net. 



Cocoa. By Dr. C. J. J. van Hall. Pp. xvi + 515. 

 (London : Macmillan and Co., Ltd.) 14s. net. 



Highways and Byways in Lincolnshire. By W. F. 

 Rawnsley. Pp. xviii + 519. (London : Macmillan and 

 Co., Ltd.) 5s. net. 



Zoological Philosophy : an Exposition with Regard 

 to the Natural History of Animals, etc. By J. B. 

 Lamarck. Translated by H. Elliott. Pp. xcii + 410. 

 (London : Macmillan and Co., Ltd.) 15s. net. 



An Introduction to the Study of Physical Metallurgy, 

 by Dr. W. Rosenhain. Pp. xxii + 368. (London : 

 Constable and Co., Ltd.) 105. 6d. net. 



On Pharmaco-Therapy and Preventive Inoculation 

 Applied to Pneumonia in the African Native. By Sir 

 A. E. Wright. Pp. ix+ii8. (London : Constable and 

 Co., Ltd.) 45. 6d. net. 



The Electrical Conductivity and Ionization Con- 

 .stants of Organic Compounds. By Dr. H. Scudder. 

 Pp. 568. (London : Constable and Co., Ltd.) 12s. 6d. 

 net. 



NO. 2346, VOL. 94] 



The Curves of Life. By T. A. Cook. Pp. xv + 479. | 

 (London : Constable and Co., Ltd.) 125. 6d. net. 



Antarctic Adventure. By R. E. Priestley. Pp. 382. 

 (London : T. Fisher Unwin.) 155. net. 



Wireless Telegraphy. By A. B. Rolfe-Martin. Pp. 

 vii + 256. (London : A. and C. Black.) 5s. net. 



The Geographic Society of Chicago. Bulletin 

 No. 4. The Weather and Climate of Chicago. By 

 Prof. H. J. Cox and J. H. Armington. Pp. xxv + 375. 

 (Chicago, 111. : University of Chicago Press.) 12s. 

 net. 



DIARY OF SOCIETIES. 



TUESDAY, October 20. 

 RovAL Anthropological Institute, at 8.15. — The Double Walled 

 Towers of Scotland. Exhibition of Specimens: D. MacRitchie. 



WEDNESDAY, October 21. 

 Entomological Society, at 8. — Hawaiian Ophionina^ : Dr. R. C. L. 

 Perkins. 



FRIDAY, October 23. 

 Physical Society, at 8. — Presidential Address: lonisation: Sir J. J. 

 Thomson. 



CONTENTS. PAGE 



The Ibo-speaking People of Southern Nigeria. By 



Sir H. H. Johnston, G.C.M.G., K.C.B 165 



American Lectures on Mathematics. By G. B. M. 166 



Chemistry: Pure and Applied . 167 



Life and Its Interpretation 168. 



Our Bookshelf 17O/ 



Letters to the Editor:— 



Enhanced Series and Atomic Models. — Prof. Arthur 



W. Conway ...... 171 



Theodore Schwann and the University of Louvain.^- 



Prof. D. Fraser Harris 172 



Filtering Power of Sand.— C. J. Watson 172' 



Flight Observations in India. {With Diagrams). By 



G. H. B 172 



The Antiquity of Man in Europe. {Illustrated.) By 



A. K 174 



The Cultivation of Medicinal Plants in England. 



{Illustrated.) By W. A. Whatmough .... I75, 

 The British Association in New South Wales. By 



Prof. H. S. Carslaw i77j 



Notes. {Illustrated.) 179; 



Our Astronomical Column :— 



Comet i9i3/(Delavan) • ■ 182- 



A Central Bureau for Transmission of Astronomical ' 



News . 1^3; 



The Sidereal Centre of the Universe 183 



The Italian Association for the Advancement of 



Science i°3^ 



Rainfall Observations . • 184 



The Australian Meeting of the British Association - 

 Sub-section A.— Cosmical Physics.— Opening Address 

 by Prof. E. W. Brown, F.R.S., Chairman of 



the Sub-section. {IVit/i Diagram.) 184' 



University and Educational Intelligence 190' 



Societies and Academies 19'' 



Books Received ^9^' 



Diary of Societies ^9^ 



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