666 



NATURE 



[February 13, igi; 



Pp. xii+107. (London: Longmans and Co.) y. 6d. 

 net. 



A Study of Metabolism in Severe Diabetes. By 

 F. G. Benedict and E. P. Joslin. Pp. vi+135. 

 (W'ashington : Carnegie Institution.) 



Pierre du Ryer, Dramatist. By Prof. H. C. Lan- 

 caster. Pp. V+182. (Washington: Carnegie Institu- 

 tion.) 



Guide to tlie Materials for American History to 

 1783, in the Public Record Office of Great Britain. 

 Vol. i., The State Papers. By Prof. C. M. Andrews. 

 Pp. xi+346. (Washington: Carnegie Institution.) 



The Classics of International Law. Edited by J. B. 

 Scott. De Jure et Officiis Bellicis et Disciplina Mili- 

 tari Libri III. Vol i., Reproduction of the First 

 Edition. With introduction by Dr. J. Westlake. Pp. 

 xxvii + 227. Vol. ii.. Translation. By Dr: J. P. Bate. 

 Pp. xii4-25o. (Washington: Carnegie Institution.) 



Scientific Papers. By J. Y. Buchanan. Vol. i. 

 Pp. xii + ig papers. (Cambridge: University Press.) 

 JOS. 6d. net. 



Klimatographie von Salzburg. By Dr. A. Fessler. 

 Pp. 87 + map. (Vienna: Ceroid and Co.) 



Report of the Conference on the Education of the 

 Domiciled Community in India, Simla, July, 1912. 

 Pp. iv+202. (Calcutta: Superintendent Government 

 Printing, India.) is. 6d. 



DIARY OF SOCIETIES. 



THURSDAY. FEBRi'ARy 13. 

 Royal Society, at 4.10.— A Cassegrain Reflector with Corrected Field: 

 Sampson,— Studies of the Processes Operative in' Solutions, 

 of Non-electrolytes on Solubility. The Nature of 

 , and Precipitation ; Prof. H. E. Armstrong 

 ' " ~ Operative in Solutions. 



Solutions of Fructose 



Prof. R 



XXV. The Infl 

 the Processes of D 

 and Dr. J. V. Eyre.— Studies of th. 



XXVI. The Disturbance of the Equilibriui 



by Saltsiand by Non-electrolytes: E. E. Walker.— The Ex 

 V Rays by the a Rays of Ionium and Radiothorium : I- Chadwick and 

 .K. S- Russell.— Load E.xtension Diagr-ams taken with the Optical Load 

 Extension Indicator : Prof. W. E. Dalby. 



Institution of Electrical Engineers, at 8. — Some Factors in Parallel 

 Operation : A. R. Everest. 



Concrete Institute, at 7.30.— Three Steel-frame Structures in London : 



S. Bylande 



Royal Society of .Arts, at 4.3c.— Kathiawar ; Sir W. Lee-Warner. 



Mathematical Society, at 8.— Figures in ^-Dimensional Space analo- 

 gous to Orthocentric Tetrahedra : T. C. I.ewis.-A Propeitv of Ihe 

 f-Function : ]. E. Littlewood.— The Summability of a Fourier's Series : 

 G. H. Hardy.— Trigonometrical .Series which Converge Nowhere or 

 almost Nowhere : G. H. Hardv .and J. E. I.iltle.vood.-A Theorem Con- 

 cerning Power S. ■ -- - ■ - - 

 procity : P. J. He 

 J. B. Holt. 



Royal Institutio> 

 Andrew Gray. 



.vood.- 



-Th. 



of Quadratic Ri 

 bility of Legendre's Polynomic 



FRIDAY, February 14. 

 , at 9.— New Gyroscopes and ihi 



-Annual Ge 



.Applications : Prof. 

 1 Meeting.— The Dynamics 01 



—Modern Cond< 

 Royal Astronom 

 Malacological Society, 



Prof. G. H. Bryan, 



HANicAL Engineers, at 8.— Annual Gen 

 ng Systems : A. E. Leigh Scanes. 

 Society, at 5. — -Anniversary Meeting. 

 Annual Meeting. 



SATURDAY, February 15. 

 Royal Institution, at 3 —The Properties and Constitution of the Atom : 

 Sir J. J. Thomson, CM. 



MONDAY, February 17. 

 Royal Society of Arts, at 8.— The Art of Miniature Painting : C. 



Davenport. 

 Aristotelian Society, at 8.— The Analysis of Volition, treated as a Study 



of Psychological Methods and Principles : Prof. R. F. A. Hoernle. 

 Victoria Institute, at 4.1o— The Antecedent Prob.ability of a Revela- 



. Archde 



Institution of Civil Engineers, at 8.— Canals and Canalised Rivers : 



TUESDAY, FEiiKUARY i8. , 



Royal Institution, at 3.— The Heredity of Sex and some Cognate 

 Problems : Pr.if. W. Baleson. 



Royal Anthkhi'ological Institute, at 8.15,— Some Aspects of Palaeo- 

 lithic Relics in North Britain and Ireland : Rev. S. Smith. 



Royal Statistical Society, at 5,— The Panama Canal and Competition 

 for Trade in Latin America, the Orient and Austialasia : Prof. Lincoln 



Hu 



Crofts. 



:. —Furl/,,; 

 1.— Natal Ha 



ooloc.ical Society, at 8.30.— Diagnoses of New Species and Varieties 

 of Agnalhous Molhisca from Equatorial Africa : H. B. Pr<-ston.— The 

 Dwarf Buffalo of Southern Nigeria, with a Revision of the Dwarf Buf- 

 faloes of Western Africa : R. Lydekker— Notes on the Habits of Certain 

 Reptiles in the Lagos District : W. A. Lamborn.— Two British Enlo- 

 iging 10 the Orders Copepoda and Ostracoda : Dr. G. 



NO. 2259, VOL. 90] 



Siewardson Brady. — The Gorgonopsia, a Suborder of the Mammal-like 

 Reptiles : Dr. R. Broom. 



IVEDNESDA Y, February 19. 



Royal Society of Arts, at 8. — The Adulteration of Jam : E. Marriage. 



RovAL Microscopical Society, at 8.— Report upon the Lenses of the 

 late Joseph Jackson Lister: E. J. Sputa.— Demonstration on the Use of 

 the Centrifuge in Pond-life Work : D. 1. Scourfield.— Slides showing the 

 Development of the Fairy Shrimp {Ckiroccphalus diaphamts): C. Lees 

 Curties, 



Royal Meteorological Society, at 7.30. — Periodical Variations of the 

 Velocity of the Wind at Oxford: W. H. Robin.on — Rate of Ascent of 

 Pilot Balloons: J. S. Dines.— Meteorological Conditions in a Field Crop : 

 W. L. Balls. 



THURSDA Y, February 20. 



Royal Society, at ^.^^o.—Prohailc Papers : Studies on Enzyme Action. 

 XIX. Urease, a Sefective Enzyme. II. Observations on Acceleralive 

 and Inhibitive Agents: Prof. H. E. Armstrong, M. S. Benjamin, and 

 E. Horton,— NervfuK Rhvihm arising from Rivalry of Antagonistic 

 Reflexes; Reflex Stepping as Outcome of Double Keciprocal Innerva- 

 tion : Piof C. S. Sherrmslon,— The Liberation of Ions and the Oxygen 

 Tension of Tissues during .\ctivity: I ir. H. E. Roaf — Conlributions to 

 the Bio-chemistry of Growth. The Glycogen Content of the Liver of 

 Rats Bearing Malignant Growths: W. Cramer and J. Lochhead,— 

 Changes in the Glomeruli and Tubules of the Kidney accompanying 

 .Activity : Prof. T. G. Brodic .and J. J. Mackenzie. 



Institution of Mining and Metallurgy, at 8. 

 FRIDA Y, February it. 



Royal Institution, at 0, — Horticultural Investigations at the Woburn 

 Experimental Fruit Farm : Spencer U. Pickering. 

 SATURDAY, February 22. 



Royal Institution, at 3. — The Properties and Constitution of the Atom : 

 Sir J. J. Thomson, CM. 



CONTENTS. p.AGE 



The Nernst Festschrift. By Prof. F. G, Donnan, 



F.R.S '. 641 



Function Theory. By G. B. M 642 



A Yearbook of Science 643 



Geographical Works 643 



Our Bookshelf 644 



Letters to the Editor:^ 



On the Appearance of Helium and Neon in Vacuum 



Tubes.— Sir J. J. Thomson. CM., F.R.S. , . 645 

 The Water surface " Halo.'— Prof. A. M, Worth- 



ington, C.B., F.R.S 647 



An X-Kay Fringe System.— Prof. C. G. Barkla, 



F.R.S, ; G. H. Martyn 647 



AUiiospheric Potential — Evan M'Lennan .... 647 

 The Upper Trade and Antitrade Winds,— Dr. Wil- 



helm Krebs 64S 



Nomenclature at the Zoological Congress. — Prof. 



T. D. A. Cockerell 648 



The Discovery of a Human Tooth in the Cave Earth 



in Kent's Cavern. — Arthur R. Hunt 649 



The British Antarctic Expedition 649 



Eyesight and Typography 651 



Investigation of Atmospheric Pollution 651 



Lord Crawford, F.R.S 652 



Origins of Helium and Neon 653 



Notes 655 



Our Astronomical Column : — 



Latitude Distribution of Absorption Markings on Ha 



Spectroheliograms 65S 



The Spectrum of the Corona 658 



The Temperatures tif Stars 65S 



One Hundred New Double Stars 659 



Contributions to American Economic Geology. By 



J. W. G 659 



Recent Work on Invertebrates. Ily R. L 660 



Migrations between Australia and America , , . , 660 



University and Educational Intelligence 661 



Societies and Academies • . 662 



Books Received 665 



Diary of Societies 666 



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