ii6 



NATURE 



[March 30, 19 16 



portions.— H. Bouygues : The tissues at the summit of 

 the Phanerogam stem.-^Lucien Daniel : The specific 

 variations in the chemistry and structure provol^ed by 

 grafting the tomato and tlie cabbage. ^ — O. Laurent : 

 The metalHc suture in complicated fractures of the 

 femur and humerus. Of the various methods used, 

 wiring with one or two thick silver wires has proved 

 the most satisfactory, details being given of the appli- 

 cation of this treatment to several cases of fracture.— 

 Jules Amar : Apparatus for prothesis of the upper 

 limbs. Detailed description of two forms of mechan- 

 ical arms.^ — R. Ledoux-Lebard and A. Dauvillier : 

 Theoretical and experimental researches on the bases 

 of the quantitave determination of the X-rays in radio- 

 therapy. 



BOOKS RECEIVED. 



Rambles in the Vaudese Alps. By F. S. Salisbury. 

 Pp.. x+ 154. (London : J. M. Dent and Sons, Ltd.) 

 2A-. 6d. net. 



Department of the Interior. Weather Bureau. 

 Annual Report of the Weather Bureau for the Year 

 1913. Part iii. Pp. 331. (Manila : Bureau of Print- 

 ing.) 



With Scott : the Silver Lining. By Dr. G. Taylor. 

 Pp. xvi + 464. (London : Smith, Elder and Co.) i8s. 

 net. 



Mathematical Papers for Admission to the Royal 

 Military x\cademy and the Royal Military College for 

 the Years 1906-15. (London : Macmillan and Co., 

 Ltd.) 65. 



Macmillan 's Geographical Exercise Books. Key to 

 IL, Europe, with questions by B. C. Wallis. Pp. 48. 

 (London : Macmillan and Co., Ltd.) 2s. 6d. net. 



Factories and Great Industries. By F. A. Farrar. 

 Pp. 90. (Cambridge : At the University Press.) 

 15. 6d. 



Trade and Commerce. Bv A. J. Dicks. Pp. 94. 

 (Cambridge : At the University Press.) js. 6d. 



Ships, Shipping, and Fishing. . By G. F. Bosworth. 

 Pp. 86. (Cambridge : At the University Press.) 

 IS. 6d. 



Icones Plantarum Formosanarum. By B. Hayata. 

 Vol. v. Pp. vi + 358 + xvii plates. (Taihoku : Govern- 

 ment of Formosa.) 



Colour : a Handbook of the Theory of Colour. By 

 G. H. Hurst. Second edition, revised by H. B. 

 Stocks. Pp. vii+i6o. (London: Scott, Greenwood 

 and Son.) 75. 6d. net. 



Stanford's War Maps, Nos. 16 and 17. (London : 

 E. Startford, Ltd.) 55. and 3s. 



DIARY OF SOCIETIES. 



THURSDAY, MyvRCH 30. 



Royal SociETV, 5^4.30. — Skull of Ichthvosauras, Studied in Serial Sections : 

 Prof. W. J. Solias. — The Relation of Excised Mu^-cle to Acids, Salts and 

 Bases : Dorothy J. T.lovd.— The Endemic Flora of Ceylon, with Reference 

 to Geographical Distribution and Evolution in General. A Correction : 

 J.- C. Willi*,. 



Child Study Society, at 6.— The Child Delinquent : C. M. Chapman. 



FRIDAY, March 31. 

 Royal Institution, at 5.30. — The Spectra of Hydrogen and Helium: 

 Prof. A. Fowler. 



SATURDAY, April i. 



RovAL Institution, at 3. — Radiations from Atoms and Electrons: Sir 

 J. J. Thomson. 



MONDAY, April 3. 



Society of Chemical Industry, at 8. 



Royal Geocraphical Society at 8.30. — A Year's Travel in New Cale- 

 donia ; C. H. Compton. 



Royal Society OF Arts, at 4.30. — Surveying: Past and Present: E. A. 

 Reeves. 



Society of Engineers, at 5.30. — Modern Coal and Coke Handling 

 Machinery, as used in the Manufacture of Gas : J. E. Lister. 



Victoria Institute, at 4.30. — The Influence of German Philosophy in 

 bringing about the Great War: Prof D. S. Margoliouth. 

 TUESDAY, Apkil 4. 



Royal Institution, at 3. — Modern Horticulture — Growing Time and Seed 

 Time (rntern.-il Rhythm): Prof F. Keeble. 



Zoological Society, at 5.30.— Living Csecilians from South America: 

 Prof J. P. Hill.— (i) Specimens of the Perciform Fish, Tilapia nilotha, 

 with Increased Number of Anal Spines; (2) The Li/ards allied to Lacerta 

 muralis : G A. Boulenger. — Some Fresh-water Entoinostraca from 

 Ceylon : R. Gumey. — Notes on the Sitatunga or Marsh-Antelope of the 

 Sesse Islands: Major R. Meinertzhagen. 



Institution of Civil Engineers, at 5.30. — The Rangoon River- 

 Training Works: Sir G. C. Buchanan. — 1 he Present Conditions of 

 Arterial Drainage in some English Rivers : R. F. Grantham. 



RoNTGEN society, at 8.15.— .'V chronograph Constructed to Work with the 

 Electro-cope : P. J. Neate. — The Enclosed Tungsten Arc as a Source of 

 Ultra Violet Light : IJ. H. Morphy and S. R. Mullard. — Experiments 

 with aCoolidge Tube : E. Schall.— A New Modification of the lonisation 

 Method of Measuring X-Rays : H. E. Donnithoriie. 



WEDNESDAY, April 5. 

 Geological Society, at 5.30. 

 Entomologial Society, at 8. 

 Royal Society of Arts, at 4.30.— Painting by Dipping, Spraying, and 



other Mechanical Means : A. S. Jennings. 

 Society of Public .Analysts, at 8.— The A'kalimelric Estimation of 



Certain Bivalent Metals in the Form of Tertiary Phosphates : Dr. W . K. 



Schoeller and A. R. Powell.— Note on a Specimen of Russian Oak : 



P. A. Ellis Richards.— The Estimation of Potassium in Presence of Other 



Substances : A. H. Bennett. 



THURSDAY, April 6. 

 Royal Society, at 4.30. 

 Royal Society of Arts, .it 4.30.— The Work of the Imperial Institute for 



India : Prof. W. R. Dunstan. 

 I.iNNEAN Society, at 5.— On Five New Species of Edwardsia, Quatr. : 



Prof. G. C. Bourne.— A New Species of Enteropneusta from the Abrolhos 



Islands : Prof. W. L Dakin.— The Southern Elements of the British 



Flora : Dr. O. Stapf. 

 Faraday Society, at 8.— The Making of a Big Gun : Dr. W. Rosenhain. 



FRIDAY, April 7. 

 Geologists' Association, at 7.30.— Notes on the Coral lian of the Oxford 

 District: M. Odiing.— The Glacial Geology of the Hudson Bay Basin : 

 J. B. Tyrrell. 



SA TURD A Y, April 8. 

 RcYAL Institution, at 3.— Radiations from Atoms and Electrons : Sir 

 J. J. Tnomson. 



CONTENTS. PAGE 



Early Embryology of the Worker Bee. By E. W. M. 97 



Sociology as a Science. By A. E. Crawley . . • 97 



Euclid's Book on Divisions of Figures. 15y G. B, M. 98 



Our Bookshelf 99 



Letters to the Editor: — 



Optical Glass: an H .storical Note. — F. J. Cheshire 100 

 llainilton and the " Quantification of the Piedicale." 



— B. D. J loi 



The Archaeological Survey of Nubia. {lUuslraicd.) 



By Prof. G. Elliot Smith, F.R.S. . . loi 



The Shackleton Antarctic Expedition loj 



Richard Dedekind. By G. B. M 103 



Notes 104 



Our Astronomical Column :— 



The Planet Venus '09 



New Lines in the Speclruni of Silicon '09 



Definitive Orbit of Comet 1802 io9 



A New Method for the Determination of Latitude . . 109 



The Plane of the Solar Motion 'O^ 



A Ntw Volcano in the Kivu Country. {Illustrated.) HO, 



British Laboratory Glass-ware ... H': 



Scientific and Industrial Reseaich.— Work of the 



Advisory Council . m 



Chemistry and National Prosperity. By Prof. F. 



Soddy, F.R.S m 



High Explosives and the Central Nervous System. 



By Dr. F. W. Mott, K.R.S. 112 



University and Educational Intelligence ..... 114 



Societies and Academies . . i'5 



Books Received ^'^ 



Diary of Societies "" 



Editorial and Publishing Offices: 



MACMILLAN & CO., Ltd., 



SI. MARTIN'S STREET, LONDON, W.C. 



Advertisements and business letters to be addressed to the- 

 Publishers. 



Editorial Communications to the Editor. 

 Telegraphic Address : Phusis, London. 

 Telephone Number : Gerhard S830. 



NO. 2422, VOL. 97] 



