72 



NATURE 



[September 8, 192 1 



Societies and Academies. 



Cape Town. 



Royal Society of South Africa, August 17. — Dr. 

 J. D. F. Gilchrist, president, in the chair. — L. 

 Peringuey : Note on the occurrence of native-made 

 bronze and brass objects in South Africa. — H. G. 

 Denhatn : Note on the sub-salts of bismuth. 



HOBART. 



Royal Society of Tasmania, June. — Mr. L. Rodway, 

 vice-president, in the chair. — W. L. May : New species 

 of fossil Mollusca. A number of specimens collected 

 by Atkinson from the fossil cliffs at Wjnyard. — 

 H. H. Scott and C. Lord : Studies in Tasmanian 

 mammals, Zaglossus Ilarrissoni, sp.nov. A new 

 species of giant anteater, estimated to be some 

 660 mm. in length, and more robust in proportion 

 than the largest Tasmanian Tachyglossus of to-day. 

 The type-locality is the Pleistocene deposits of King 

 Island, Bass Straits. 



July.^ — Mr. L. Rodway, vice-president, in the chair. 

 — E. Ashby : Description of new species of Loricella. — 

 A. N. Lewis : The Glacial remains in the National 

 Park of Tasmania. — G. H. Hardy : Australian Bom- 

 byliidae (Diptera). 



Books Received. 



Jahrbuch des Norwegischen Meteorologischen In- 

 stituts fiir 1920. Pp. 'xiv+174. (Kristiania.) 



llie Alo Man : Stories from the Congo. By Mara L. 

 Pratt-Chadwick and L. Lamprey. (Children of the 

 World.) Pp. 170. (London and Sydney : G. G. Harrap 

 and Co., Ltd.j 35. bd. net. 



Studies in Deficiency Disease. By- Dr. Robert 

 McCarrison. (Oxford Medical Publications.) Pp. 

 xvi + 270. (London : H. Frowde and Hodder and 

 Stoughton.) 30S. net. 



Das Klima Thrakiens als Grundlage der Wirtschaft. 

 By Prof. Erich Obst. (Osteuropa Instiluts in Breslau : 

 Vortrage und Aufsalze. iv Abt., Geographic und 

 Landeskunde. Heft i.) Pp. 61. (Leipzig and Berlin : 

 B. G. Teubner.) 2s. 6d. 



What is Science? By Dr. Norman Campbell. 

 Pp. ix+186. (London : Methuen and Co., Ltd.) 55. 

 net. 



Turbines. By A. E. Tompkins. Third edition, 

 entirely revised. Pp. viii+i8o. (London: S.P.C.K. ; 

 New York : The Macmillan Co.) 85. net. 



British Insect Life : A Popular Introduction to 

 Entomology. By E. Step. Pp. 264+32 plates. (Lon- 

 don : T. Werner Laurie, Ltd.) 10s. 6d. net. 



The Trend of the Race : A Study of Present 

 Tendencies in the Biological Development of Civilized 

 Mankind. By Prof. S. J. Holmes. Pp. v+396. 

 (New York : Harcourt, Brace and Co.) 4 dollars net. 



The Land and its Problems. By C. Turnor. (A 

 New Series on Economics.) Pp. 254. (London : 

 Methuen and Co., Ltd.) 7s. 6d. net. 



Animal Life of the British Isles : A Pocket Guide 

 to the Mammals, Reptiles, and Batrachians of Way- 

 side and Woodland. By E. Step. (The Wayside and 

 Woodland Series.) Pp. vii-f-184+iii plates. (Lon- 

 don and New York : F. Warne and Co., Ltd.) 

 I05. 6d. net. 



Origin and Evolution of the Human Race. By Dr. 

 A. Churchward. Pp. xv+511 + 78 plates. (Lon- 

 don : G. Allen and Unwin, Ltd.) 455. net. 



Ministry of Munitions and Department of Scientific 

 and Industrial Research. Technical Records of Ex- 

 plosives Supply, 1915-1918, No. 2. Manufacture of 



NO. 2706, VOL. 108] 



Trinitrotoluene (TNT) and its Intermediate. Pro- 

 ducts. Pp. viii+ii6. (London : H.M. Stationery 

 Ofiice.) lys. 6d. net. 



The Book of Nature Stories. By H. W. Seers. 

 (Reprint of '"Nature Stories to Tell to Children.") 

 Pp. 256. (London and Sydney : G. G. Harrap and 

 Co., Ltd.) 55. net. 



God's Country : The Trail to Happiness. By J. O. 

 Curwood. Pp. 167. (London : Duckworth and Co.) 

 6^. net. 



Mining Physics and Chemistry. By J; W. 

 Whitaker. Pp. .xii+268. (London : E. Arnold and 

 Co.) 95. net. 



The Mechanism of Life in Relation to Modern 

 Physical Theory. By Prof. J. Johnstone. Pp. xii+ 

 248. (London : E. Arnold and Co.) 155. net. 



Chemical Disinfection and Sterilization. By Dr. S. 

 Rideal and Dr. E. K. Rideal. Pp. vii+313. (Lon- 

 don : E. Arnold and Co.) 215. net. 



A Manual of Pharmacology. By Prof. W. E. 

 Dixon. Fifth edition, completely revised. Pp. xii+ 

 468. (London : E. Arnold and Co.) 185. net. 



Western Australia : Geological Survey. Bulletin 

 No. 78. The Mining Geologv of Kookvnie, Niagara, 

 and Tampa, North Coolgardie Goldfield. By J. T. 

 Jutson. With Petrologv, bv R. A. Farquharson. 

 Pp. 98+5 plates. (Perth, W.A.) 



A Critical Revision of the Genus Eucalyptus. By 

 J. H. Maiden. Vol. 5, part 7. (Part 47 of the 

 complete work.) Pp. iv+ 187-223+4 plates. (Svdney : 

 W. A. Gullick.) 3s. 6d. 



CONTENTS PAGE 



The British Association ... 33 



Science in the Middle Ages . . • ■ 34 



Plantation Rubber Research. By H. P. S 35 



Aeronautics. By Dr. S. Brodetsky 36 



A Text-book on Oceanography. By J. J 38 



Our Bookshelf . 39 



Letters to the Editor:— 



The Apparatus of Dr. Russ.— Prof. C. V. Boys, 



F.R.S 40 



The Designation of the Radium Equivalent. — 



N. Ernest Dorsey 40 



Pisidium clessini in British Lochs. — A. W. Stelfox 40 

 Scientiiic PubHcation.— Dr. William B. Brierley 41 

 Whispering- Gallery Phenomena at St. Paul's 

 Cathedral.— Prof. G. V. Raman and G. A. 

 Sutherland ..... . . 42 



Ceratium furca and Pedalion mirum. — Alfred E. 

 Harris ... ... .42 



Illumination of Plankton.— Lt.-Comdr. G. C. C. 



Damant 42 



Co-operative Indexing of Periodical Literature.— 

 H. W. Wilson ; The Writer of the Article 43 

 The British Association at Edinburgh. By Prof. 



J. H. Ashworth, F R.S 44 



Some Aspects and Problems of Post-war Science 

 Pure and Applied, By Sir T. Edward Thorpe, 

 C.B., D.Sc, Sc.D., LL.D., F.R.S. . .' ... 44 

 The British Association at Edinburgh : — 



Abstracts of Presidential Addresses 56 



The Present Position of the Wave Theory of Light. 



II. By Dr. R. A. Houstoun ... 61 



Classical and Modern Education. By W. Bateson, 



64 



F.R.S. 



66 



Notes 



Our Astronomical Column :— 



The August Meteoric Display 69 



The Bright Object near the Sun 69 



Minor Planets 69 



Species in Foraminjfera , 70 



Biological Statistics 7° 



University and Educational Intelligence 7° 



Calendar of Scientific Pioneers . 7^ 



Societies and Academies 7- 



Books Received • • 7^ 



