XXII 



Index 



[. 



t>ni 14, 1921 



Theiler (Sir Arnold), The Causation of " Lamziekte," 389 



Th^odoridis (P.), The Thermal Variation of the 

 Coefficient of Magnetisation in Anhydrous Sulphates, 

 and the Theory of the Magneton, 363 ; The Thermal 

 Variation of the Coefficient of Magnetisation of some 

 Anhydrous Chlorides and an Oxide in the Solid State : 

 the Magneton Theory, 490 



Thiselton-Dyer (Sir W. T.), Sir Norman Lockyer, 21 



Thomalen (Dr. A.), A Text-book of Electrical Engineering, 

 Translated by Prof. G. W. O. Howe. Fifth English 

 edition, 372 



Thomas (D. Lleufer), Some Geographical Aspects of the 

 Distribution of Population on the South Wales Coal- 

 field, 389 



Thomas (Dr. H. H.), and A. F. Hallimond, A Refracto- 

 meter for the Determination of Liquid Mixtures, 421;; 

 A. F. Hallimond and E. G. Radley, The Petrography 

 and Chemistry of Canister, Silica-rock, Sand, and 

 Dolomite, 480 



Thompson (Prof. G. H.), Do Binet-Simon Tests Measure 

 General Ability?, 580 



Thompson (H. Stuart), The Mild Weather, 728 



Thompson (L. T. E.), C. N. Hickman, and N. Riffolt, 

 The Measurement of Small Time-intervals and some 

 Applications, principally Ballistic, 587 



Thompson (R. Campbell), Prehistoric Dwellers in Meso- 

 potamia, 517 



Thompson (W. P.), Handbook of Patent I^aw of all 

 Countries. Eighteenth edition, 275 



Thomson (G. P.), Applied Aerodynamics, 40 



Thomson (Prof. J. A.), Prof. Yves Delage, 248 ; The System 

 of Animate Nature : The Gifford Lectures Delivered in 

 the University of St. Andrews in the Years 1915 and 

 1916. 2 vols., 494 



Thomson (Sir J. J.), Poynting's Scientific Papers, 559 ; 

 Presidential Address to the Royal Society, 453 



Thorburn (A.), British Mammals (in two volumes). Vol. i., 



751 

 Thornton, Ltd. (A. G.), The Romer Graph Plotter, 841 

 Thorpe (Sir Edward), elected President of the British 



Association for 1921, 13; Armand Gautier, 85; Joseph 



Black and Belfast, 165 ; Sir Norman Lockyer, 23 

 Tickell (Rev. S. C), Egg Collecting at Santa Barbara, 



California, 221 

 Tiffeneau and Or^khoflf, The Hydrobenzoin Transformation, 



99 

 Tilden (Sir William A.), Sir Norman Lockyer, 24 

 Tildesley (Miss), The Burmese Skull, 516 

 Tillyard (Dr. R. J.), and others, Insects from Macquarie 



Island, 672 

 Tiltman (A. H.), appointed to the Scientific Staff of the 



Research Association of British Rubber and Tyre 



Manufacturers, 156 

 Tizard (H. T.), and D. R. Pye, Specific Heat and Dis- 

 sociation in Internal-combustion Engines, 423 

 Todaro (Prof. F.), [obituary], 154 

 Toldt (Prof. C), [obituary], 701 

 Tornquist (S. L.), [obituary], 219 



Townsend, Report of the New York Aquarium, 158 

 Tracy (Prof. S. M.), [obituary], 287 

 Travers (Dr. M. W.), British Laboratory and Scientific 



Glassware, 341 

 Treacher (L.), Selected for the Foulerton Award of the 



Geologists' Association, 606 

 Tr^mont (C), The Testing of Thin Metal Sheets by 



Stamping, 778 

 Trenchard (Air-Marshal Sir H. M.)f The Aspects of Service 



Aviation, 259 

 Trinks (Prof. W.), Governors and the Governing of Prime 



Movers, 372 

 Trotter (A. P.), The Stereoscopic Appearance of Certain 



Pictures, 503 

 Trotter (W.), Instincts of the Herd in Peace and War. 



Second edition, 275 

 Trueman (Dr. A. E.), The Iron Industry of South Wales, 



389 

 Trueman (Dr. W. E.), and W. P. Westell, Every Boy's 

 Book of Geology : An Introductory Guide to the Study 

 of the Rocks, Minerals, and Fossils of the British 

 Isles, 435 



Truffaut (G.), and N. Bezssonoff, Characters Common to 



the Q Bacterium, Symbiotic with Clostridium 



pastorianum and B. aliphaticum non liquefaciens, 555 

 Tucker (Dr. W. S.), and E. T. Paris, A Selective Hot-wirt 



Microphone, 714 

 Turner (Dr. A. J.), Australian Lepidoptera : Liparidx, 651 

 Turner (Prof. H. H.), and Prof. J. L, Myres, The British 



Association, 211 

 Turner (J. E.), A New Visual Illusion, 180 

 Turner (Dr. W. E. S.), Some Developments in the Study 



of Glass Technology in the year 1919-20, 577 

 Turner (W. L.), Marshall's A Dictionary of Explosives, 



660 

 Tutton (Dr. A. E. H.), Sir William Abney, K.C.B., F.R.S., 



476 



Underbill (F. P.), J. A. Honeij, and L. J. Bogert, Calcium 

 and Magnesium Metabolism in certain Diseases, 135 



Unstead (Dr.), The Teacher of Geography and Internationa! 

 Problems, 645 



Unwin (F.), The Transverse Galvanomagnetic and Thermo- 

 magnetic Effects in Several Metals, 850 



Unwin (Dr. W. C), awarded the Kelvin Gold Medal for 

 pre-eminence in Engineering, 737 



Urbain (A. J.), and P. Marty, Influence of the Subter- 

 ranean Work of the Mole on the Flora of the Pas- 

 turages of Cantal, 267 



Vaillant (P.), The Variations in the Electrical Conductivity 

 of Calcium Sulphide with Temperature, 682 



Valle (G.), Interrupted Incoherent Sounds, 35 



ValMe-Poussin (M. de la), " Sur les Fonctions k variation 

 born^e et les questions qui s'y rattachent," 196 



Vandiver (H. S.), Kummer's Memoir of 1857 concerning 

 Fermat's last Theorem, 588 



V'asey (S. A.), [obituary], 669 



Vassal! (A.), Some Aspects of Science and Education, 677 



Vela (A.), Observations of Nova Cygni, 298 



Venkataramaiah (Y.), Active Hydrogen, 46 



Villedieu (M. and Mme. G.), The Non-toxicity of Copper 

 for Moulds in General and for Mildew in Particular, 363 



Villey (J.), Experimental Installations for Aerodynamical 

 Researches, 851 , 



Virville (A. D. de). Modification of the Form and Struc- 

 ture of a Moss kept under Water, 779 



Vlfes (F.), The Production of Difference Spectra of Toxin 

 Cultures, 231 ; The Spectral Properties of the Tetanus 

 Toxin, 199 



Vogel, Tungsten, 359 



Volterra (M.), The Teaching of Mathematical Physics, 196 



Wadham (S. M.), .Appointed Senior Demonstrator in Botany 

 in Cambridge University, 264 



Wainwright (A. P.), A Sunshine Recorder (Mechanical 

 Type), S54 



Walcott (Dr. C. D.), Discovery in the Middle Cambrian 

 Burgess Shale of British Columbia, 158; Geological 

 Exploration of the Canadian Rockies, 158 



Wales (Prince of). Return of the, 219; To Receive the 

 Diploma of Honorary Fellowship of the Royal College 

 of Surgeons, 671 ; Consent to Accept the Honorary 

 Degrees of Master of Commerce and Doctor of Science 

 of London University, 744 



Walker (Dr. W. J.), The Polytropic Curve and its Relation 

 to Thermodynamic Efficiency, s^o 



Walker-Tisdale (C. W.), Milk Testing : A Simple Practical 

 Handbook for Dairy Farmers, Estate Agents, Creamen 

 Managers, Milk Distributors, and Consumers. Second 

 edition, 436 



Waller (Prof. A. D.), Measurement of the Energy Expen- 

 diture of Man ; The Emotive Response of the Human 

 Subject, 550; Notes on an Aeroplane Trip, 121 



Wallis (T. E.), Quantitative Microscopy by Use of Lyco- 

 podium Spores, 189 



