
Nature, 7 
August 11, 1623 
Name Index 
XXV 

Thomas (Dr. J. S. G.), The Complete Gasification of Coal, 
778; The Gas Industry, 350 
Thomas (Miss M. B.), Methods of Teaching Science in 
Schools, 100 
Thomas and Riding, Ammonium Sulphides, 859 
Thompson (F. C.) and E. Whitehead, The Etching 
Properties of the a- and s-forms of Carbide of Iron, 
762 
Thomson (Miss), Putterill and Hobson, Citrus Fruit from 
South Africa, 234 
Thomson (Sir Joseph), presented with the John Scott 
medal, 680 ; The Unity of Physics and Chemistry, 621; 
The Electron in Chemistry, 100; The Research 
Departments of some American Firms, 855 
Thomson (Prof. J. A.), Biological Contributions to 
Sociology, 300; Thomson Lecturer for 1923 at the 
Aberdeen United Free Church College, 133 
Thorburn (Sir William), resolution of the Council of 
Manchester University concerning the late, 449; 
[death], 437; [obituary article], 475 
Thoret (Lieut.), A Gliding Record, 59 
Thornton (H. G.), A New Culture Medium for Bacterial 
Count Work, 411; The Destruction of Aromatic 
Antiseptics by Soil Bacteria, 347 
Thorpe (Sir T. E.), Hafnium and Titanium, 252 
Thouless (R. H.), An Introduction to the Psychology of 
Religion, 805 
Threlfall (Sir Richard), appointed chairman of the Fuel 
Research Board, 855 
Tiffeneau (M.) and H. Dorlencourt, A New Series of 
Hypnotics, the Aryldialkylglycols, 763; and Mlle. 
J. Lévy, Pinacolic and Semi-pinacolic Transpositions, 
275 
Tilley (C. E.), Contact-metamorphism in the Comrie area 
of the Perthshire Highlands, 902 ; Genesis of Rhombic 
Pyroxene in Thermal Metamorphism; Mineral 
Associations and the Phase Rule, 486 - 
Tillyard (Dr. R. J.), Orthopterous Insect Wing in a Selenite 
Crystal, 374 
Tipper (G. H.), Slag mistaken for a Meteorite at Quetta, 
704 
Toché (C.), La Radiotéléphonie, 460 
Tomkinson (Margaret G.), The Catalytic Hydrogenation 
of Sulphur Dioxide, 135 
Tovey (J. R.) and P. F. Morris, Contributions from the 
National Herbarium of Victoria, No. 3, 311 
Tower (Prof.), Geography in Business Life, 64 
Tower (Prof. O. F.), Prof. E. W. Morley, 677 
Treadwell (Prof. A. L.), Reproduction in the Leodicida, 28 
Trevor-Battye (A.), [obituary article], 57 
Tribe (M.), The Development of the Hepatic Venous 
System and the Postcaval Vein in the Marsupialia, 
45° 
Trousset (J.), The Observation of Planets, and Relativity, 
554 
Trowbridge (Prof. J.), [death], 437 
Truscott (Prof. S. J.), A Text-Book of Ore-Dressing, 696 
Tucker (Commissioner Booth), Criminal Tribes of India, 
410 
Tufnell (B. O.), Scientific Periodicals for Czech Students, 
apes}: t) 
Turner (Dr. E. E.), appointed demonstrator in the chemical 
department of the East London College, 168 
Turner (Prof. W. E. S.), re-elected president of the Society 
of Glass Technology, 681 
Tutton (Dr. A. E. H.), A Universal Interferometer; A 
Wave-length~ Torsometer, and its Use with the 
Universal Interferometer, 725 
Twelvetrees (W. N.), Concrete and Reinforced Concrete, 78 
Twyman (F.), The Hilger Microscope Interferometer, 623 ; 
and F. Simeon, The Refraction Index Changes in 
Sa Glass occasioned by Chilling and Tempering, 
30 
Tychonis Brahe Dani: Opera Omnia, Edidit I. L, E. 
Dreyer. Tomus IV., 179 
Tyrrell (Dr. J. B.), The Mining Industwy of Canada, 483 
Unwin (E. E.), Religion and Biology, 531 
Urbain (E. and R.), The Separation of Liquid Mixtures 
by Combined Distillation and Atmolysis, 207 
Urbain (Prof. G.), Celtium, Element of Atomic Number 72, 
383; and Prof. A. Dauvillier, The Coexistence of 
Celtium (Element 72) and the Yttria Earths, 451; 
On the Element of Atomic Number 72, 218 
Vallery-Radot (Dr. P.), The Work and Ideals of Pasteur, 
204 
Vanderlinden (Dr. E.), 
Plants, 129 
Varendonck (Dr. J.), The Psychology of Day-Dreams, 12 
Vavon (G.) and A. Husson, Catalysis and Steric Hindrance, 
654 ; 
Vayssiére (A.), The Characters suitable for Classifying 
the Gasteropods of the Family of the Cyprezidez, 831 
Veblen (Prof. O.), Postulational Geometry and Physics, 
Phenological Observations on 
482 
Vegard (L.), The Constitution of the Upper Layers of the 
Atmosphere, 831; The Spectrum of the Aurora 
Borealis and the Upper Layers of the Atmosphere, 587 
Veil (Mlle. S.), Evolution of the Molecule of Ferric- 
Hydroxide in Water, 171 
Venable (Dr. F. P.), History of Chemistry, 392 
Venkataramaiah (Prof. Y.), Active Hydrogen and Chlorine, 
583; and Bh. S. V. Raghava Rao, A New Phototropic 
Compound of Mercury, 775 
Venn (Dr. J.), [death], 506 
Vernadsky (W. J.), Mendelejeffite, a New Radioactive 
Mineral, 654 
Verschoyle (W. D.), The Evolution of Atoms and Isotopes, 
12 
Vevers (Dr. G. M.), appointed superintendent of the 
Zoological Gardens, 126 
Vickers (W.), appointed lecturer in Education and Master 
of Method in Sheffield University, 240 
Villedieu (M. and Mme. G.), The Action of Insoluble 
Oxides on the Mildew of Potato (Phytophthora 
infestans), 383 
Vines (Dr. H: W. C.), appointed to a Foulerton research 
studentship, 196 
Visser (Dr. S. W.), Earthquakes of the East Indian 
Archipelago, 199 
Visvesvaraya (Sir M.), presidential address to the Indian 
Science Congress, 413 
Viadesco (R.), Diffraction of Light by the Eyelashes, 728 
Voelcker (Dr. J. A.), Sir Ernest Clarke, 404 
Vogel (Prof. I.), [obituary article], 368 
Volmar (M.), The Action of Light on the Tartar Emetics, 
831; The Photolysis of Tartaric Acid and the Acid 
Alcohols, 487 
. Vournazos (A. C.), The Bismuthamines, a New Class of 
Bodies, 867 
Vredenburg (E. W.), [death], 437; [obituary article], 505 
Waals (Prof. J. D. Van der), [death], 368; [obituary 
article], 609 
Wadham (S. M.), re-appointed senior demonstrator in 
botany in Cambridge University, 760 
Wagner (Dr. P. A.), Recent Volcanic Activity in S. Africa, 
235 a 
Wainwright (W. H.), A Graphical Cost Analysis of Ca .tage- 
building, 415 
Waldock (A. P.), “‘ Akund ”’ fibre, 412 
Waldram (P. J. and J. M.), Natural Lighting, 476 
Wales (the Prince of), acceptance of the presidency of the 
Empire Forestry Association, 299; enrolled as an 
honorary member of the Institution of Mining 
Engineers, and of the Institution of Mining and 
Metallurgy, 783; visit to Hadfields, Ltd., 759 
Wali (N. A.), Hinduism according to Muslim Sufis, 656 
Walker (E. E.), The Properties of Powders, 690 
Walker (Dr. G. T.), Meteorology and the Non-flapping 
Flight of Tropical Birds, 886 ; Meteorology in India, 
28; Probable Weather in North-west India, 338 
Walker (Sir James), Chemical Symbols and Formule, 883 
Walker (Rev. L. J.), A New Theory of Matter, 206 
Wall (E. J.), Practical Colour Photography, 531 
Wallace (Dr. A. Russel), a memorial portrait of, unveile 
at the Natural History Museum, 889 
4 
