126 



NATURE 



[November 14, 1912 



A Primer of the Internal Combustion Engine. By 

 H. E. Wimperis. Pp. xiii+ 143. (London: Con- 

 stable and Co., Ltd.) 2s. dd. net. 



The Nature of Woman. By J. L. Tayler. Pp. 186. 

 (London ; A. C. Fifield.) y. 6d. net. 



.'\ New Geometry. Part i. By S. Barnard and 

 J yi. Child. Pp. xii + 224. (London: Macmillan and 

 Co., Ltd.) IS. 6d. 



E.Kperimental Mensuration. By H. S. Redgrove. 

 Pp. xvii + 32S. (London: W. Heinemann.) 2S. 6d. 

 net. 



The Flowing Road. Adventuring on the Great 

 Rivers of South America. By C. Whitney. Pp. 319. 

 (London : W. Heinemann.) 12s. 6d. net. 



.\eroplanes in Gusts. Soaring Flight and the 

 Stability of Aeroplanes. By S.L. Walkden. Pp. 

 XV+18S + 4 plates. (London: E. and F. N. Spon, 

 Ltd.) 7.«. 6d. net. 



Cambridge County Geographies : — Forfarshire. By 

 E. S. Valentine. Pp. viii+ 160+2 maps. (Cam- 

 bridge University Press.) is. 6d. 



Modern Inorganic Chemistry. By Dr. J. W. Mellor. 

 Pp. XX + 871. (London : Longmans and Co.) ys. 6d. 



The Soul of Golf. By P. A. Vaile. Pp. xiii + 3s6. 

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



Electricity and its Practical Applications. By Prof. 

 M. Maclean. Pp. xiv + 4g2. (London : Blackie and 

 Son, Ltd.) los. 6d. net. 



.\ Course of Physics, Practical and Theoretical. By 

 Dr. C. H. Draper. Pp. xi + 413. (London: Blackie 

 and Son, Ltd.) 4.';. 6d. net. 



.An Introduction to the Geology of New South 

 Wales. By C. A. Siissmilch. Pp. xii+177. (Syd- 

 ney : W. A. Gullick.) 5s. 



Lehrbuch der Optik. By Prof. P. Drude. Dritte 

 erweiterte .'\uflage. Edited by Prof. E. Gehrcke. Pp. 

 xvi + 548. (Leipzig: S. Hirzel.) 12 marks. 



Elements and Electrons. By Sir W. Ramsay. Pp. 

 ix+173. (London : Harper and Bros.) 2s. 6d. net. 



Rough Stone Monuments and their Builders. By 

 T. E. Peet. Pp. xii+172. (London: Harper and 

 Bros.) 2s. 6d. net. 



DIARY OF SOCIETIES. 



THURSDAY, Novemrer 14. 



ROVAL SociETV, at 4.30.— The Development of a Parasite of Earth- 

 worms : J. W Cropper.— Further Contribution to the Study of the 

 Inheritance ofHoariness in Stocks (Matthiola) : Edith R. Saunders.— The 

 Influence of Temperature on the Absorption of Water by Seeds of 

 Hordeum vulgare in Relation to the -Temperature Coefficient of Chemical 

 Change : Prof. A. J. Hroivn and F. P. Worley.— Note on Merlia noriimtii 

 and the " Monticuliporas" : R. Kirkpatrick.— The Chemical Action of 

 Bacillus cloacat (Jordan) on Citric and Malic Acids in the Presence 

 and Absence of Oxygen: |. Thompson.— The Origin and Destiny of 

 Cholesterol in the Animal Organism. X. The Excretion of Cholesterol 

 by Man, wheti Fed on Various Diets : G. W. Ellis and J. A. Gardner.- 

 The Comparative Anatomy and Affinities of the Araucarineae : Prof. R. 

 Boyd Thomson. 



iN.STiTUTtoN OF Ei.ECTRicAL ENGINEERS, at 8.— Address by the President 

 (W. Duddell.)— Presentation of Premiums. 



Concrete Institute, at 7.30.— Presidential Address : E. P. Wells. 



Mathematical Society, at 5.30. —Annual General Meeting. — Presi- 

 dential Address on Recent Advances in the Theory of Surfaces : H. F. 

 Baker.— Some Properties of Cubic Surfaces : A. B. Grieve.— The 

 Determination of the Summability of a Funclion by means of its Fourier 

 Constants: W. H. Youm;.- Groups of Linear Substitutions of Finite 

 Order which Possess Quadratic Invariants: W. Burnside.— The Irre- 

 ducibility of I.egendre's Polynomials : J. B. Holt.— The Representation 

 of a Summable Funclion by means of a Series of Finite Polynomials : 

 E. W. Hobson.— Theory of Functions of Real Vectors: E. Cunningham. 



FRIDAY, November 15. 

 Royal Geograi-hical Society, at 8.45.— The Norwegian South Polar 

 Expedition : Capt. Roald Amundsen. 



MONDAY, NovE.vnER 18. 



Aristotelian Society, at 8.— The Activity of Willing : Prof. G. D.awes 

 Hicks. 



TUESDAY, November 10. 



Royal Statistical Society, at 5.- Still-births in Relation to Infantile 

 Mortality : Dr. Dudfield. 



Illuminating Engineering Society, at 8.— Ancient Forms of I-amps : 

 J. VV. Johnston.— A New Illumination Photometer: Haydn T.Harrison. 

 -^Some Simple Colour Boxes: W. C. Clinton.— Photography in Illumina- 

 ting Engineering : J. S. Dow and V. H. Mackinney. 



NO. 2246, VOL. 90] 



Institution of Civil Engineers, at i.— Further Discussion: The Con- 

 struction of the New Dock at Methil : B. H. Blyth, Jun. -Alterations and 

 Improvements of the Port Talbot Dbcks and Railway during the Last 

 Decade: W. Cleaver. 



IVEDNESDAY, November 20. 



RovAL Meteorological Society, at 7.30.— The Unprecedented East 

 Anglian Rainfall of August =6. 1912 : Dr. H. R. Mill.— A Three-yea,- 

 Period in Rainfall : A. P. Jenkin. 



Geological Society, at 8. — The Hafslo Lake and the Solvorn Valley 

 (Norway) : H. W. Monckton.— The Genus Aulophyllum : S. Smith. 



RovAL Microscopical Society, at 8.— British Euchytra;ids. IV. The 

 Genus Henlca : Rev. Hilderic Friend.— .Sac<raw/«/«a Psamiiiosplwcra 

 (North Sea s) : E. Heron-Allen and Arthur Earland. 



Entomological Society, at 8. 



Royal Society of Arts, at 8. — First Ordinary Meeting. — The Opening, 

 Address of the One Hundred and Fifty-ninth Session of the Society will 

 be delivered by Lord Sanderson, G.C.B., K.C.M.G. 

 THURSDAY, November 21. 



Royal Society, at 4.30. — Prohahte Papers: An Investigation of the 

 Spectrum of Ionium : A. S. Russell and R. Rossi.— <i) A Note on the Ab- 

 sorption of § Rays : (2) The Similarity in Nature of X and Primary y Rays : 

 J. A. Gray.— The Spectra of Fluorescent Rontgen Radiations: J. C. 

 Chapman.— Optical Investigation of Solidified Gases. II.- The Crystallo- 

 graphic Properties of Hydrogen and Oxygen : W. Wahl. — An Electric 

 Furnace for Kxperiments in vacuo at Temperatures up to 1500^ C. : R. E. 

 Slade.— An Investig.ation of the Dissociation-Pressures and Melting 

 Points of the System Copper, Cuprous Oxide : R. E. Slade and F. D. 

 Farrow.— Note on the Cap.acity Coeflicient of Spheres: Dr. A. Russell. 



Institution of Mining and Metallurgy, at 8. 

 FRIDAY, November 22. 



Institution ok Mechanical Engineers, at 8. — Vapour-Compressiorv 

 Refrigerating Machines: J. Wemyss Anderson. — .\ Contribution to the 

 Theory of Refriger.<ting Machines : Dr. J. H. GrinJley. 



Physical Society, at 5.-(i) The Law of Plastic Flow of a Ductile 

 Material ; (2) Kinem.atograph Illustrations of the Torsion andlBreakin^ 

 of Large Specimens : C. E. Larard.— A Column Testing Machine : Prof. 

 E. G. Coker. 



CONTENTS. PAGE 



Electrons and the Electro-magnetic Field 301 



The Land and Its Lore, By A. E. Cri-wiey .... 301 



Engineering Handbooks 302 



Our Bookshelf 304 



Letters to the Editor: — 



Radium and Earth History.— G. W. Bulman . . . 305, 



The Moon and Poisonous Fish. — E. G. Bryant . 305 

 Gramophone Experiments. (///;«/;«/,(/).— Ernest 



de la Rue ; Prof. J. G. McKendrick, F.R.S. . 306 

 Repotted Occurrence of the Dartford Warbler at the 



Tuskar Light Station.— Prof. C. J. Patten ... 306 

 The Crystal Space-lattice Revealed by Rontgen 

 Rays. [Ilhtstratcd.) By Dr. A. E. H. Tutton, 



F.R.S 30& 



Geophysical Memoirs. By W. W. B 309 



The Biology of the Fig-tree and Its Insect Guest. 



By L. C. M 310 



Notes jli 



Our Astronomical Column : — 



The Brazilian Eclipse, October 10 315. 



Borrelly's Comet 19121: 315 



The Light-curve of Nova Geminortiin, No. 2 . . . . 315 



The Dark Sliiictures in the Milky Way 316 



Stellar .Xctin.mietry at the Verkes Observatory . . . 316- 



The Iron and Steel Institute 316 



Heredity and Eugenics. By E. H. J. S. . .... 317 



Influence of Geographical Conditions upon Japan- 

 ese Agriculture 31^ 



Chemistry at the British Association. By E. F. A. 318 

 The Diffusion of Education and Knowledge. By 



Arthur Macdonald 321 



University and Educational Intelligence 323 



Societies and Academies 324 



Books Received . 325 



Diary of Societies 326 



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Editorial Communications to the Editor. 



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