528 



NATURE 



[November 20, igig 



V(k6iinaire. Bv G. Perol. Pp. 31 + vi plates. (Paris: 

 Masson et Cie.) 3 francs net. 



Arcachon Ville de Sant^. Monographic Scientifique 

 et Medicale. By Dr. F. Lalesque. Pp. viii+798. 

 (Paris : Masson et Cie.) 25 francs net. 



The Oliver-Sharpey Lectures on the Feeding of 

 Nations. By Prof. B. H. Starling. Pp. ix+146. 

 (London : Longmans and Co.) 55. net. 



Chemistry and its Mysteries. By C. R. Gibson. 

 Pp. 246. (London : Seeley, Service, and Co., Ltd.) 

 4^. bd. net. 



Submarine Warfare of To-day. By Lieut. C. W. 

 Domville-Fife. Pp. 304. (London : Seelev, Service, 

 and Co., Ltd.) -js. 6rf. net. 



W. and \. K. Johnston's Modern Atlas of Com- 

 merce. Pp. 4,S. (Edinburgh : W. and A. K. John- 

 ston. Ltd. ; London : Macmillan and Co., Ltd.) 

 IS. \od. net. 



The Realities of Modern Science. Bv J. Mills. 

 Pp. xi4-327. (Xew York: The Macmillan Co.: 

 London : Macmillan and Co.. Ltd.) to.?. 6d. net. 



Profit and Sport in British East .Africa : Being a 

 Second Edition, Revised and Enlarged, of "A Colony 

 in. the Making.'' By Capt. the Loid Cranworth. 

 Pp. xvi4-so3. (London : Macmillan and Co., Ltd) 

 2I.«. net. 



-Accounts Rendered of Work- Done and Things Seen. 

 Bv J. Y. Buchanan. Pp. Ivii-f 435 + 3 plates. (Cam- 

 bridge: .At the I'niversitv Press.)' 2i.f. net. 



Palaeontology : Invertebrate. Bv H. Woods. Fifth 

 edition. Pp. viii + 411. (Cambridge: \t the Univer- 

 sity Press.) T2.'-. M. net. 



\ Geograohical Bibliograohv of British Ornithologv 

 from the Earliest Times to ' the End of iqi.S. By 

 W. H. Mullens, H. Kirke Swann, and Rev. F. C. R. 

 Jourdain. Part i. Pp. 96. (London : Witherbv and 

 Co.) 6,?. net. 



The Art of .Anaesthesia. Bv Dr. P. T. Flag£<. 

 Second edition Po. xvii|4--,ri7. (Philadelnhia an^d 

 London : T. B. Liopincott Co.) i8x. net. 



.Atlas of Operative Cvn^'-olowv. Bv Prof. B. C. 

 Hirst. Pd vi -1-202. (Philadelphia and London: 

 J. B. I^inoincott C0.I ^o.t. net. 



The Mvsterv of Ea=ter Island : The Storv of an 

 Expedition. Bv Mrs. Sroresbv Routledge. Pn. xxi-t 

 i<^i. (London : Sifton. Praed, and Co., Ltd.)- ' 37.?. 6(?. 

 net. 



DIARY OF SOCIETIES. 



THURSDAY. NoVEllBEK 20. 



KOVAI SociF.i-y, at 4.30.— W. J. Johnston: A Linear Associative Algebra 

 suitable for Electro-magnetic Relations and the Theory of Relativity 

 —Sir Joseph Larmor: Note on Mr. W. \. Johnston's Calculus for 

 Generalised Relativity.^G. E. Bairsto : On the Variation with Frequency 

 of the Conductivity and Dielectric Constant of Dielectrics for Hizh 

 Frequency Osc.llations.-F. J. W. Whipple: Equal Parallel Cylindrical 

 C onductors in F.Ieclrical Problems.-G. A. Schott : The Scattering of 

 X; and v-Rays by Rings of Electrons. A Crucial Test of the Electron 

 King I heoiy of Atoms. 



Rotai.Socif.iv 01. Medicine (Dermatolosy Section), at ^.■xo.— Cases ■ 

 Dr. Bunch : Ca.e of Linear Vlorphoea.— Dr. MacLeod : (i) Melanotic 



Lesion on Sole of Foot ; (2) Case for DiaBnosis'.— Dn^Barbe 

 for Diaanosis ■ Blastomycosis (?) : (2) ~ 

 Ichtj-osiforme. 



Erythroderniie 



(i) Case 

 Congenitale 



LlNNBAN bociETV, at 5.-K. P.itten : Plants collecled in Mesopotamia 

 and in Southern India.-C. C. Lacaita : Orchis maculata from Monle 

 Gargans, Italy.-Dr. G. C. Dri.ce : Two New British Planls.-Miss 

 Trower: Paintings of British KuH.-Vrof. R. C. McLean : Sex and Soma. 



INSTITL-TION OF Mi.viNo ANu M ETALLURcv (at Geological Society), at 

 5-30.— H. L. Sulman : A Contribution to the Study of Flotation 



Child Study SoclETy (at Royal Sanitary Institute), at 6.-Dr. U. Forsyth- 

 The Pre-School Girl. ' 



CliEMiCAi. Society (and Informal Meeting), at 8. ■ 



FRIDAY, November 21. 



RoVAi. Society OP Medicine (Otology Section), at 5.— H. Tillev 

 Presidential Address-A Plea for the Better Education of the Medical 

 atua,:nt in Uto-Khino-Laryngology. 



IjNSTlTUTlON OF MECHANICAL Enginebr.s, at 6.-C. G. Conradl : The 

 Preuent Po.sition of Mechanical Road Traction. 



Institution of Electrical Engineer.s (Students' Meeting) (at the 



" ViL?.*! *^"''''^ (Engineering) College), at 7.— A. P. Tro ter : Opening 



Address. 

 NO. 



2612, VOL. 104] 



Junior Institution or Engineers (at Royal Society of Arts), at 7. 



KoVAL SociKTv 0I-' Medicixe (Electro-Thcrapeul'ics Section), at 8.30. — 

 Dr. G. B. Batten : Apparatu.s for Obtaining Morton Wave Current and 

 Static Modalities from a Coil. — Major G. Cooper : The Artificial Stimula- 

 tion of Muscle, with Demonstration of a New Form of Faradic Coil. 



MONDAY^ November 24. 



In.stitute of Actuaries, at 5. — Dr. C. E. Howell: The Revrrsionary 



(or Prospective) and CoIUctive Methods of Valuing Widows' Funds, 



with Pome Notes on the Valuation of the Church of Ireland Widows' and 



Orphans' Fund. 



TUESDAY, NovEMnEK 25. 



Illuminating Engineering Society (at Royal Socicty.of Arts), at 5.30. 



— L. Gaster : The Works of Lambert. — The Hon. Secretarj' : Report on 



Progress. 

 Institution ok Civil Engineers (Extra Meeting), at 5.30.— H. H. 



Gordon : Metnipolitan Road and Rail Traffic. 

 Royal Anthrofologicai, Institution, at 8.15. — Dr. W. Strong: Some 



Personal Experiences in British New Guinea. 



WEDNESDAY, November 26. 

 RovAL Unitko Service Institution, at 3. — Maj.-Gen. Sir George 



Aston : Combined Operations. 

 Royal Society of Akt'^, at 4.30. — Dr. H. B. Morse: British Trade in 



China. 

 Wireless Society ok London (at Institution of Civil Engineers), at 6.— 



J. Scott-Taggart : A System for the Reception of Continuous Waves. 

 Royal Aeronautical Socieiv (at Royal Society of Arts), at 8.— G. 



Brewer: Some Kite- Balloon Experiments. 



THURSDAY, November 27. 

 Royal College oe Surgeons, at 3. — Annual Meeting of Fellows and 



Members. 

 Institution of Electrical Engineers (at Institution of Civil Engineers), 



at 6.— C. C. Paterson, J. W. T. Walsh, A. K. Taylor, and \V. Barnett : 



Carbon Arcs for Searchlights. 



FRIDAY, November 28. 

 Physical Sociktv, at 5. — D'scussion on Lubrication. To be opened b/ 



Dr. T. E. Sianton. Speakers include Principal SUinner, W. B. Hardy, 



K. W. J>anchester, and H. M. Mariin. Vi-sitors are invited to this 



Meeting. 



CONTENTS. 



Vertebrate Embryology. By S. J. H. 



The Rarer Elements. By J. H. Uardiner . . 

 Race and Nationality. By Prof. A. Keith, F.R.S. . 

 Our Bookshelf . : 

 Letters to tt.e Editor:— 



Percussion Fijjiires in I.sotropic Solids (Illustrated.) 



— James Weir French ... 



The Breeding of the King Penguin. — T. H. Gillespie 

 A Helium Scries in the E.xtrenie Ultra- Violet. — Prof. 

 Tneodore Lyman ... 



Variations of Refractive I nde.x. — F. Twyman . . 

 The Audibility of Thunder. — Dr. Henry O. Forbes 

 Linkage in the .Silkworm : A Correction. — Prof. 



W. Batesun, F.K.S 



The Prehistory of South Africa. (Illustrated.) By 



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

 Lt.-Col. B. f. E. Keeling. By Col. H. G. Lyonr, 



F.R.S. 



Notes 



Our Astronomical Column : — 



L.trge Fireball 



Comets 



Unveiling of Lister Memorial Tablets. (Illuitrated.) 

 The British Association at Bournemouth : — 



Section I — Physiology — Opening Address (.\b.stracted) 

 by Prof. D. Noel Paton, Iw.D., F.R.S., Presi- 

 dent of the Section 



Radiotelegraphy during the Solar Eclipse of May 29 

 University and Educational intelligence . ... 



Societies and Academies 



Books Received 



Diary of Societies 



PAGE 



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314 

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315 



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317 

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321 



321 

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322 



323 

 324 

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Editorial and Publishing Offices : 



MACMILLAN AND CO., Ltd., 



ST. MARTIN'S STREET, LONDON, W.C.2. 



Advertisements and business letters to be addressed to the 

 Publishers. 



Editorial Communications to the Editor 

 Telegraphic Address: Piiusis, London. 

 Telephone Number: Gerhard 8830. 



