Nature, ~| 



Atn'cmbt'r 25, igogj 



Index 



XI 



dent of the Section, 257 ; Pressure of Radiation against 

 the Source, Prof. J. H. Poynting and Guy Barlow, 

 469 ; Prof. Hull, 4(39 ; Ascertained Properties of Light 

 of Very Short Wave-Lengths (" Schumann Kays "), 

 Prof. T. Lyman, 469 ; Prof. Bumstead, 4bo • Photo- 

 graphs of Jupiter, Prof. Percival Lowell, 469; Early 

 Drawings of Jupiter by Sir W. Huggins, Prof. Larmor, 

 469 ; Motion of Some of the Small Stars in Messier 92 

 (Herculis), Prof. E. E. Barnard, 4bg-; Present State of 

 the Theory of Aggregates, Prof. E. H. Hobson, 470; 

 Generalisations of the Icosahedral Group, Prof. G. A. 

 Miller, 470; New Proof of a Theorem of VVeierstrass, 

 the Factorisation of Power Series, Prof. G. A. Bliss, 

 470; Invention of the Slide Rule, Prof. K. Cajori, 470; 

 Report of the Committee on Further Tabulation of 

 Bessel Functions, 470; on the Three-fold Emission 

 Spectra of Solid Organic Compounds, l^rof. E. Gold- 

 stein, 470; Sir J. J. Thomson, 470; Pruf. H. E. Arm- 

 strong, 470 ; Influence of Electrolytes on Colloidal 

 Ferric 0.\ide Solutions, E. F. Burton, 470 ; Methods of 

 Separation of Radio-active Products, Dr. Otto Hahn, 

 470: Prof. Rutherford, 470: Sir J. Larmor, 470; the 

 Secondary Rays Excited in Different Metals by a Rays, 

 Prof. J. C. McLennan, 470-1 ; Some Phenomena Asso- 

 ciated with the Radiations from Polonium, V. E. 

 Pound, 471 ; on .'\node Rays and their Spectra, Dr. O. 

 Reichenheim, 471 ; on Clark and Weston Standard 

 Cells, Dr. H. L. Bronson and A. N. Shaw, 471 ; Action 

 of a Rays upon Glass, Prof. Rutherford, 471 ; Magnetic 

 Work of the Past Ten Years of U.S. Coast and Geo- 

 detic Survey and the Carnegie Institute of Washing- 

 ton, Dr. L. A. Bauer, 471 ; Prof. G. E. Hale, 471 ; 

 Distribution of Pressure over Canada, R. F. Stupart, 

 471 ; Positive Electricity, Sir J. J. Thomson, 471 ; Law 

 of Distribution of Stellar Motions, A. S. Eddington, 



471 ; Variation of the Specific Heat of Mercury at High 

 Temperatures, Prof. H. T. Barnes, 472 ; Prof. Perry, 



472 ; Active Deposits from Actinium in Uniform Elec- 

 tric Fields, W. T. Kennedy, 472 ; Effect of Light on 

 Sulphur Insulation, F. W. Bates, 472 ; Charge upon 

 Gaseous Ions, Dr. T. Franck and Dr. W. Westphal, 

 472 ; on the Re-combination of Ions in Air at Different 

 Temperatures, Dr. P. Phillips, 472 ; Terminal Velocity 

 of Fall of Small Spheres in Air, Prof. John Zeleny 

 and L. A. McKeehan, 472 ; Sir Joseph Larmor, 472 ; 

 Earth Tides, Prof. A. E. H. Love, 472 ; Sir G. Darwin, 

 472 ; Dr. O. Hecker, 472 ; Dr. S. C. Chandler, 472 : 

 Sir J. Larmor, 472 ; Dr. L. A. Bauer, 473 ; Effect on 

 the Persistence of Vision of Fatiguing the Eye with 

 Red, Orange, and Yellow, Prof. Frank Allen, ^-jt, ; 

 New Method of Measuring the Luminosity of the Spcc- 



I trum, Prof. F'rank .Allen, 473; Effects of Low Tem- 

 perature on Fluorescence Spectra, Profs. E. L. Nichols 

 and E. Merritt, 473 ; Absorption and Fluorescence of 

 Canary Glass at Low Temperatures, R. C. Gibbs, 473 ; 

 European Ballons-soridcs Observations, Prof. J. W. 

 Humphreys, 473 ; Report on the Present State of Our 

 Knowledge of the LIpper Air, E. Gold and Mr. Har- 

 wood, 473 ; Highest Balloon Ascent in America, Prof. 

 A. L. Rotch, 473 ; Temperature Distribution in the 

 Free Atmosphere over the British Isles, Dr. Shaw, 473 ; 

 Results of Hourly Observations with Registering 

 Balloons, June 2-3, 1909, A. Harwood, 47^ ; Effect of 

 Temperature Variations on the Luminous Discharge in 

 (iases for Low Pressures, R. F. Earhart, 473 ; Prof. 

 Rutherford, 473 : Sir J. Larmor, 473 : Prof. MncDonald. 

 474 ; the Relative Motion of the Earth and /"Ether and 

 the FitzGerald-Lorentz Effect, C. W. Chamberlain. 47a : 

 New Cemented Triple for Spectroscopic Use, Lieut. - 

 Colonel J. W. Gifford, 474; Magnetostriction, Dr. 

 H. G. Dorsey, 474 

 Section B (Chcmistrv) — Opening Address (.Abridged) bv 

 Prof. H. E. Armstrong, Ph.D., LL.D., F.R.S., Presi- 

 dent of the Section, 270 : New Determination of the 

 Atomic Weight of Iridium, Prof. E. H. Archibald. 

 474; Electrical Conductivitv of Solutions of Iodine and 

 Platinum Tetraiodide in Ethyl Alcohol, Prof. E. H. 

 Archibald and W. A. Patrick, 474 ; Anti-putrescent 

 Effects of Copper Salts, in Particular towards the Bac- 

 teria of Milk, Dr. Alfred Springer, 474 ; Dynamic 



Isomerism, Dr. T. M. Lowry, 475 ; Sir J. Larmor, 

 475; Useful Improvements in the lechnique of Optical 

 Investigations, Dr. Lowry, 475 ; History ot the Wheals, 

 Dr. Stapf, 475 ; F'actors Determining the Yield cf 



Wheat, Dr. E. J. Russell and A. D. Hall, 



In- 



fluence of Environment on the Composition of wheat, 

 F. T. Shutt, 475 ; Quality in Wheaten Flour, .\. li. 

 Humphries, 475 ; Cnemical Properties of Flour, Dr. 

 E. V. .Armstrong, 470; Influence of the Minerals of 

 Flour on its Quality, W. B. Hardy, 47b ; Comparative 

 Milling and baking Qualities of a Number of Canadian 

 Wheats, Prof. R. Harcourt, 476 ; Proteins : the Rela- 

 tion between Composition and Food N'alue, Dr. E. 

 Frankland .Armstrong, 47b; Prof. Starling, F'.R.S., 

 47b; Problems of the Stock Feeder, Dr. E. J. Russell, 

 476 , Pig Feeding, F. T. Shutt, 47b ; Changes in the 

 Habits of the Women of the Upper Middle Cusses dur- 

 ing the Last Fifty Years, Dr. F. N. Alcock, 476; 

 Feeding of Stock, Prof. J. Wilson, 47b 



Section C (Geology) — Opening Address oy .Arthur Snjith 

 Woodward, LL.D., V.P.Z.S., Sec. G.S., Keeper of 

 Geology in the British Museum, President of the Sec- 

 tion, 290 ; the Bearing of Pre-Cambrian Geology on 

 Uniformitarianism, Prof. A. P. Coleman, 44b ; the Pre- 

 Cambrian Rocks of Canada, Prof. W. G. .Millar, 44b; 

 the Faunal Succession of the Lower Carboniferous 

 (Avonian) of the British Isles, Dr. A. Vaughan, 44^ ; 

 New Faunal Horizons in the British Coalfield, H. Bol- 

 ton, 44b ; the Glacial Lake Agassiz, Dr. Warren Up- 

 ham, 44b ; Extent of the Ice Sheets in the Great Plains, 

 Prof. A. P. Coleman, 44b ; Mining in Canada, Prof. 

 Miller, 447 ; Metal Mining in Canada, Prof. Coleman, 

 447; Placer Mining, J. B. Tyrrell, 447; Rare Metals of 

 Canada, Prof. T. L. Waller, 447 ; the Volcano Meta- 

 vanu, Dr. Tempest Anderson, 447 



Section D (Zoology) — Opening Address by A. E. Shipley, 

 M.A.Cantab., Hon. D.Sc, Princeton, F.R.S., President 

 of the Section; I., Charles Darwin, 315; II., Organis- 

 ing Zoology, 317; III., International Ocean Research, 

 321; Origin of the X'ertebrates, Dr. E. Goodrich, 504; 

 Subcutaneous Fat-bodies in Bufo, C. L. Boulenger, 

 504; Osteology of the Lophobranchii, Prof. H. Junger- 

 sen, 504; on the Germinal Disc in Naturally Incubated 

 Eggs of Passer domesticus. Prof. C. J. Patten, 505; 

 the British Pleistocene CanidjE, Prof. S. H. Reynolds, 

 505 ; Geographical Distribution of Rotifera, C. F. 

 Rousselet, 505 



Section E (Geography) — Opening Address by Colonel Sir 

 Duncan Johnston, K.C.M.G., C.B., R.E., F.R.G.S., 

 F.G.S., President of the Section, 323 ; Floods in the 

 Great Interior Valley of North America, Luella A. 

 Owen, sob; the Hudson Bay Route, Dr. Robert Bell, 

 506 ; Agricultural Development of Canada, 1904-9 ; 

 Prof. Mavor, 506 ; Major Craigic, 50b ; Formation of 

 .Arroyos in Adobe-filled Valleys in the South-western 

 United States, Prof. Dodge, 506 ; the Water Route 

 from Lake Superior to the Westward, Lawrence J. 

 Burpee, 50b; Physical History of Nantasket Beach, 

 Prof. Douglas W. Johnson, 506 ; the Geographer 

 David Thompson, J. B. Tyrrell, 507; Progress of the 

 General Magnetic Survey of the Earth in Recent Years, 

 Dr. L. A. Bauer, 507 



Section G (Engineering) — Opening Address bv Sir W. H. 

 White, K.C^B., Sc.D., LL.D., F.R.S., President of 

 the Section, 342 ; Peculiar Geographical Position of 

 Winnipeg, 447; the Grain Industry, John Miller, 447; 

 George Harcourt, 447 : Deep Water and Railway Com- 

 munications, Colonel Anderson, 448 ; Mr. St. Laurent, 

 448 ; Major George Stephens, 448 ; Works on the 

 Canadian Pacific Railway, T. E. Schwitzer, 448 ; 

 Organisation for the Collection and Transport of Grain 

 in the Wheat Area, H. W. Lanigan, 448 ; the Panama 

 Canal, Colonel Goethals, 448 



Section H (Anthropology) — Opening Address (Abridged) 

 by Prof. John L. Myres, M..A., F.R.S., President of 

 the Section, the Influence of Anthropology on the Course 

 of Political Science, 370 ; Ethnographic Survey of 

 Canada, Sidney Hartland, 477 ; Dr. Franz Boas, 477 ; 

 Problem of the White Immigrants, Dr. Shrubsall, 477 ; 

 Ethnology of the Okanagan of British Columbia, Mr. 



