Nature, 

 February 2, 1922 



Index 



XV 



Tennant (Rev. Dr. F. R.), Christian Theism, 559 

 Terroine (E. F.), and H. Barthelemy, Composition of the 



Egg of the Brown Frog {Rana fusca) at the Egg-laying 



Period, 294 

 Thatcher (Dr. R. W.), The Chemistry of Plant Life, 364 

 Thomas (Dr. D. L.), and Lucy B. Thomas, Kentucky 



Superstitions, 207 

 Thomas (Dr. E. N. Miles), resignation of the Keepership 



of the Department of Botany of the National Museum 



of Wales, 442 

 Thomas (Sir Garrod), gift to the University College of 



Wales, Aber3-stw\-th, 293 

 Thomas (P.), and G. Carpentier, A very Sensitive Reagent 



for Copper : the Kastle-Meyer Reagent, 516 

 Thomas (T.), Notes on Dynamics, w-ith Examples and 



Experimental Work, 207 

 Thompson (Prof. P.), "death], 413; [obituary article], 441 

 Thomson (Dr. E.), appointed Temporary President of the 



Massachusetts Institute of Technology, 508 

 Thomson (G. P.), Anode Rays and the Determination of 



the Isotopes present in Lithium, 446 

 Thomson (J.), ]obituary], 221 

 Thomson (Sir J. J.), Address at the Unveiling of the 



Ravleigh 5lemorial in Westminster Abbey, 472 ; 



Alternation of Intensity of Light in the Column of Gas 



in contact with the Positive Electrode, 546 ; elected 



President of the Institute of Physics, 287 

 Thorbum (A.), British Mammals (in two vols.). Vol. 2, 364 

 Thorpe (Sir T. E.), Chemical Warfare, 331 ; Priestley in 



America, 394 ; Some .\spects and Problems of Post- 

 war Science, Pure and Applied (Presidential Address 



to the British Association), 44 

 Tilden (Sir William A.), The Resting-place of Robert 



Boyle, 176 

 Tildesley (Miss), The Burmese Skull, 70 

 Tilho (M.), The Franco-Anglo-Egyptian Frontier and the 



Line of the Watershed between the Basins of the Nile 



and Lake Tchad, 294 

 Tilley (C. E.), The Granite-Gneisses of Southern Eyre 



Peninsula, 129 

 Tillyard (Dr. R. J.), ANew Genus and Species of May-fly 



(order Plectoptera) from Tasmania, belonging to the 



familv Siphluridae, 591 ; Mesozoic Insects of Queens- 

 land, No. 8, Hemiptera Homoptera (continued), 103 ; 



Two Fossil Insect Wings in the Collection of Mr. John 



Mitchell, from the Upper Permian of Newcastle, 



N.S.W., belonging to the order Hemiptera, 591 

 Toit (Dr. A. L. du). Land Connections between the other 



Continents and South Africa in the Past, 551 

 Toni (G. B. de). The Leaves torn from the E Manuscript 



of Leonardo da Vinci, preserved in the Library of the 



French Institute, 294 

 Travers (M.), ANew Method for the Estimation of Fluorine 



at the Ordinary Temperature, 422; ANew Method 



for the Estimation of Silica, 357 

 Trevor (T. G.), Science in the Service of the State, 253 

 Trewman (H. F.), and G. E. Condliffe, The Elements of 



Direct-current Electrical Engineering, 431 

 Tritton (F. S.), Use of the Scleroscope on Light Specimens 



of Metals, 198 

 Trotter (A. P.), Aeroplane Photography for A^chaeolog^^ 



275 ; The Elements of Illuminating Engineering, 365 

 Troup (Prof. R. S.), The Sil\-iculture of Indian Trees, 



3 vols., 3 

 Truffaut (G.), and M. Bezssonnof, The Variations of 



Energy of Clostridium Pastorianum as Nitrogen-fixing 



Organisms, 422 

 Tschermak (Prof.), The Sad Case of, 543 

 Tschirch (Prof. A), Handbuch der Pharmakognosie. 



Band iii., 203 

 Tuck (Dr. W. B.), appointed Professor of Chemistry at 



Middlesex Hospital Medical School, 293 

 Tucker (S. H.), appointed Lecturer in Organic Chemistry 



in Glasgow University, 102 

 Tulloch (Dr. W. J.), appointed Professor of Bacteriology 



in St. Andrews University. 166 

 Tumbull (H. W.), appointed Regius Professor of Mathe- 

 matics in St. Andrews University, 293 

 Turner (A. J.), The Utilisation of Bitterns, 317 



Turner (Prof. H. H.), The Norman Lockyer Observatory, 



148 

 Tumor (C), The Land and its Problems, 301 

 Tutton (Dr. A. E. H.), The Structure of Adularia and 



Moonstone, 352 

 Twyman (F.), The Annealing of Glassware and Annealing 



without Pyrometers, 590 

 Tychonis Brahe Opera Omnia. Tomi Quinti Fasciculus 



Prior, 237 



Unwin (R. B.), The Use of Aeroplane Photographs for Map 



Production, 350 

 L'rbain (Prof. G.), The Energetic Bases of the Atomic 



Theory, 290 



Vallot (J.), Measurement of the Influence of Heat and 



Light on the Activity of Reduction by Animal 



Tissues and Applicarions to HeUotherapy, 555 

 Vaughan (T. W.), The Reef -coral Fauna of Carrizo Creek, 



California, 481 

 Vegard (L.), and O. Krogness, The Position in Space of the 



Aurora Polaris, from Observations made at the Haldde 



Observatorv', 191 3-14. 431. 

 Villedieu (M. and Mme. G.), The Toxicity of Metals for 



Yeasts and Moulds, 389 

 Visser (Dr. S. W.), The Green Colouring of Surf on the 



Horizon, 178 

 Vredenburg (E.), The Cypraeidae, 481 ; and B. Prashad, 



Fossil L'nionidae in the Indian Region, 481 



Wagner (Dr. P. A.), The Mutue Fides -Stavoren Tinfields, 



192 

 Walker (A. R. E), A Specimen of Phacops africanus. 



Lake, 518 

 Walker (Dr. G. T.), The Rainfall in India of June and 



July and the Probable Amount during August and 



September, 130 

 Walker (G. W.), [death], 94 ; [obituary- article], 188 

 Walker (Prof. Miles), The Flight of Thistledown, 242 

 Walkom (A. B.), A Specimen of Noeggerathiopsis from the 



Lower Coal Measures of New South Wales, 517 

 Wall (Dr. T. F.), Electrical Engineering, 205 

 Wallis (A. H.), The Rainfall of Southern Rhodesia, 509 

 Warburton (C), re -appointed Demonstrator in Medical 



Entomology in Cambridge L'niversity, 261 

 Watson (G. W.), Industrial Standardisation, 318 

 Watson (Dr. R. W. Seton), The Successors of Austria- 

 Hungary : Some of their Problems, 443 

 W'atts (F.), An Introduction to the Psychological Problems 



of Industrv, 74 

 Watts (Prof. W. W.), Worid List of Scientific Periodicals. 



531 



Webb (A. E.), appointed Senior Assistant in the Depart- 

 ment of Civil and Mechanical Engineering at Univer- 

 sity College, London, 166 



Webb (Dr. R. A.), appointed Demonstrator in Pathology 

 in Manchester University, 262 



Webster (A. D.), London Trees, 142 



Webster (Prof. D. L.), and L. Page, The Present Status 

 of the Atomic Structure Problem, 546 



Wechsler (A.), A Simple Micro-barograph, 469 



Weidlein (E. R.), appointed Director of the Mellon In- 

 stitute of Industrial Research, 419 



Weir (W. W.), Productive Soils : The Fundamentals of 

 Successful Soil Management and Profitable Crop 

 Production, 7 



Weiss (Prof. F. E.), appointed Pro-Mce-Chancellor of 

 Manchester University, 323 



Wliipple (F. J. W.), The Distribution of Brightness in the 

 Penumbra during an Eclipse of the Moon, 497 



WTiitaker (J. I. S.), Motya : A Phoenician Colony in 

 Sicily, 269 



WTiitaker (J. W.), Mining Physics and Chemistry, 564 



Whitby (Dr. G. S.), Plantation Rubber and the Testing of 

 Rubber, ^^ 



