262 



NATURE 



[May 



1913 



Handbuch der versjleichenden Physiologie. Edited 

 by H. Winterstein. Lief. 32-33. (Jena : G. Fischer.) 

 5 marks each Lief. 



Vorlesungen uber allgemeine Histologie. By Prof. 

 A. Gurwitsch. Pp. v+345.. (Jena: G. Fischer.) 11 

 marks. 



Photographic Supplement to Stanford's Geological 

 Adas of Great Britain and Ireland. Arranged and 

 edited by H. B. Woodward, with the cooperation of 

 Miss H. D. Sharpe. Pp. 113. (London: E. Stan- 

 ford, Ltd.) 4s. net. 



Die europaeischen Schlangen. Bv Dr. F. Steinheil. 

 Erstes Heft. 5 plates. (Jena : G. Fischer.) 3 

 marks. 



Memoirs of the Peabody Museum of American 

 Archajology and Ethnology, Harvard University. 

 Vol. vi., A Study of Maya Art: its Subject Matter 

 and Historical Development. By H. J. Spinden. Pp. 

 xxiii + 285 + 29 plates + map. (Cambridge, Mass. : 

 Peabody Museum.) 



Monographs of the United States Geological Sur- 

 vey. Vol. li., Cambrian Brachiopoda. By C. D. 

 Walcott. Part i. Text. Pp. 872. Part ii. Plates. 

 P P- 3 6 3 + civ plates. (Washington: Government 

 Printing Office.) 



Thirty-third Annual Report of the Director of the 

 L^nited States Geological Survey to the Secretary of 

 the Interior. For the Fiscal Year ended June' 30, 

 1912. Pp. 175. (Washington : Government Printing 

 Office.) 



United States Geological Survey. Professional 

 Paper 77. Geology and Ore Deposits of the Park 

 City District, Utah. By J. M. Boutwell, with con- 

 tributions by L. H. Woolsey. Pp. 231 + xliv plates. 

 (Washington : Government Printing Office.) 



United States Bureau of Entomology. Bulletin 

 No. 91. The Importation into the United States of 

 the Parasites of the Gipsv Moth and the Brown-tail 

 Moth. By L. O. Howard and W. F. Fiske. Pp. 

 3-14 + xxviii plates. (Washington : Government Print- 

 ing Office.) 



Researches into Induced Cell-Reproduction and 

 Cancer, and other Papers. Vol. iii. By H. C. Ross, 

 J. W. Cropper, E. H. Ross, H. Bavon, W. J. A. 

 Butterfield, E. Jennings, and S. R[ Mowlgavkar. 

 (The John Howard McFadden Researches.) Pp. 149. 

 (London : John Murray.) 5s. net. 



Physikalische Chemie der homogenen und hetero- 

 genen Gasreaktionen. By Dr. K. Jellinek. Pp. xiv + 

 S44. (Leipzig: S. Hirzel.) 30 marks. 



Annual Report of the Board of Scientific Advice for 

 India for the Year 1911-12. Pp. 201. (Calcutta: 

 Superintendent Government Printing, India.) is. 6d. 



A Dictionary of English and Folklore-Names of 

 British Birds. By H. K. Swann. Pp. xii + 266. 

 (London : Witherby and Co.) 10s. net. 



DIARY OF SOCIETIES. 



THURSDAY, May S. 

 Royal Society, at 4 .;;o.-The Varies Inclinations of the Electrical 

 ; of the Human Heart!: A. D. Waller.— Trypanosome Diseases of 

 i in Myasaland. III. : Trypanosoma pecorum : Surg.- 

 . Major n. Harvey. Major A. E. Hamertnn, and Lady 

 station of Colpoda OitcuUis from its Resting C>sts and 

 ofthe Cyst Membranes : T. Goodey.— The 

 ds : C. Shearer, W. de Morgan, 



Domestic An 



Gen Sir D. Rr 



Bruce.— The E 



the Na'ure an 



Experimental Hybridisation of Ech 



and H. M Fuchs. 

 Concrete Institute, at 7.30. 



H. K. Dyson. 



FR/DA V, May 9. 

 Royal Institution, at o. — Life History of a Wa 

 Royal Astronomical Society, at 5.— The Pole 



NO. 2271, VOL. 91] 



and Proble 



therefrom : 



the Minor Axis of the Ring: E. E. Barnard.— Note 

 Radiation on a Small Reflecting Sphere: J. Proudman.— An Investigation 

 on the Motion of the Stars : C. V. L. Charlier.— The Mode of Propaga- 

 tion .of the Sun's Influence in Magnetic Storms : Rev. A. L. Cortie.— 

 The Motions and Distances of the Pleiades and other Groups of Stars 

 H. C. Plummer.— Probable Papers : A Regular Law rep 

 Sun-spot Numbers : H. H. Turner. — Preliminary Discus 

 cordance between the Observed and Predicted Positic 

 Eighth Satellite: ]. Jackson. — PhotographU 



M 



the Pr, 



enting Wolfs 

 >n of the Dis- 

 ; of Jupiter's 

 1 ofthe Pn 



i of ;so Stars in the Neighbourhood of £443 : A..A-. Rambaut. 



Royal Institution, 

 H A. Humphrey. 



SATURDAY, May 10. 

 at s- — Humphrey Internal Combu 



TUESDAY, May 13. 



Royal Institution, at 3.— Recent Physiological Inquiries : 

 less Glands and their Dominating Influence : Prof. W. Stirling. 



FRIDAY, May 16. 

 Royal Institution, at 9. — The Pygmies of Ne 



1 Pumps : 

 (3) Duct- 



Rawling. 



Physical Society, a! 



A. : Dr. W. Makou 



-Some Experiments to Detect 0-rays from Radii 

 nd Dr. S. Russ.— Dust Figures : Dr. J. Robinsc 



SATURDAY, May 17. 



Ioval Institution, at 3. — Humphrey Internal Combustion Pumps: 

 H. A. Humphrey. 



CONTENTS. page 



Explosives and Physical Chemistry. By J. S. S. B. 237 



New Books on Physiology. By W. D. H 238 



The Gas Turbine and other Engines 239 



Our Bookshelf 241 



Letters to the Editor: — 



The Proposed Tropical University. — J. B. F. ... 242 

 The Mountains and their Roots — Col. S. G. 

 Burrard, R.E., F.R.S. ; Major H. M. Cowie, 



R.E. ; The Reviewer 242 



Pianoforte Touch. (Illustrated.) By Prof. G. H. 



Bryan, F.R.S 246 



Agricultural Education. By William Aldridge . . 248 



Notes 248 



Our Astronomical Column : — 



The Spectra of Nova Geminorum 252 



Radial Velocities of Stars with the Prismatic Camera 253 



Meteorite from Kansas 253 



Royal Astronomical Society of Canada 253 



The Eruption of the Katmai Volcano. Alaska, on 



June 6, igi2 253 



The Spectroscope in Organic Chemistry. (Illus- 

 trated.) By Dr. J. J. Dobbie, F.R.S 254 



University and Educational Intelligence 258 



Societies and Academies 259 



Books Received 261 



Diary of Societies 262 



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Editorial Communications to the Editor. 

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