Xii Name Index 
Nature, 
August 11, 1923 

Gray (Dr. F. W.), The Chemistry Tangle Unravelled : 
being Chemistry systematised on a New Plan based 
on the Works of Abegg, Kossel, and Langmuir, 770 
Gray (J.), The Mechanism of Ciliary Movement, III., 450 ; 
re-elected Balfour student in Cambridge University, 
792 
Gray (Dr. J. A.), The Transformation of Electronic into 
Electro-magnetic Energy, 878 
Gray (J. G.), A General Solution of the Problem of Finding 
the True Vertical for all Types of Marine and Aerial 
Craft, 902 
Gray (P. H.), Soil Bacteria and Organic Antiseptics, 893 
Greaves (W. M. H.), A Certain Family of Periodic Solutions 
of Differential Equations, with an Application to the 
Triode Oscillator, 725; tenure of an Isaac Newton 
studentship in Cambridge University renewed for a 
year, 417; and C, Davidson, Atmospheric Dispersion 
in Parallax Work, 2 
Green (J. F. N.), The Structure of the Bowmore-Portaskaig 
District of Islay, 725 
Greenhill (Sir George), Absolute Measure and the C.G.S. 
Units, 259; Definitions and Laws of Motion in the 
: “ Principia,’’ 224 ; The Fourier-Bessel Function, 422 
Greenish (Prof. H. G.), The Microscopical Examination of 
Foods and Drugs. Third edition, 459 
Greenly (E.), Further Researches on the Succession and 
Metamorphism in the Mona Complex, 587 
Greenslade (C. E.) and J. E. S. White, Training in Illumin- 
ating Engineering, 157 
Gregory (Prof. J. W.), Climatic Changes, 561; The 
Himalayan Mountain System in South-east Asia, 444 
Gregory (Sir Richard), elected chairman of the Circle of 
Scientific, Technical, and Trade Journalists, 94; Re- 
views and Reviewers, 94 
Grierson (Sir G.), Marriage Customs in Medieval India, 647 
Griffith (Dr, A. A.), The Support and Utilisation of Science, 
92 
Griffiths (Dr. E.) and A. H. Davis, Loss of Heat from 
Surfaces, 62; and Dr. G. W. C. Kaye, The Measure- 
ment of Thermal Conductivity. No. 1, 793 
Griffiths-Jones (E.), Titanium in Nile Silt, 346 
Grove (W. B.), British Cytospora, 480 
Groves (J.), Notes on Indian Charophyta, 726 
Grubb (Prof. A. C.), Active Hydrogen by Electrolysis, 671 ; 
Active Hydrogen by the Action of an Acid on a Metal, 
600 
Grumbach (A.), Batteries with Fluorescent Liquid, 171 
Gudden (Dr. B.) and Dr. B. Pohl, Photo-electric Con- 
ductivity of Crystals, 859 
Gueylard (Mlle. F.), Intervention of the Spleen in the 
Phenomena of Adaptation to Changes in Salinity, 554 ; 
and M. Duval, The Comparative Toxicity of Various 
Acids for Fishes (Gasterosteus aculeatus), 35 
Guillaume (J.), Observations of the Sun made at the 
Lyons Observatory, 35, 452 
Guillet (A.), The Rapid and Precise Measurement of the 
Frequency of Rotation of the Shaft of a Motor by 
the Stroboscopic Method, 831 
Guillet (Dr. L.) and A. Portevin, translated by L. 
Taverner, An Introduction to the Study of Metallo- 
graphy and Macrography, 249 
Guinot (H.), A Continuous Method of Dehydrating Alcohol 
and certain Organic Liquids, 903 
Giinther (Prof. S.), 298 
Gunther (R. T.), Early Science in Oxford, Part 2: 
Mathematics, 75; Sir Christopher Wren’s Science 
Museum, 288 
Guntz (A.) and Benoit, Lithium Carbide and Hydride, 
648; The Heat of Oxidation of the Metals of the 
Alkaline Earths, 243 
Guthrie (W. A.), Egyptian Petroleum, 894 
Gwynne-Vaughan (Dame Helen), elected president of the 
National Union of Scientific Workers, 92 
H. (J. S.), Biology of Man, 809 
Haas (Dr. P.) and T. G. Hill, An Introduction to the 
Chemistry of Plant Products. Vol. 2, 283 
Haber (Prof. F.), The Haber Process, 1o1 
Hackett (Prof. F. E.), Definitions and Laws of Motion 
in the “ Principia,” 395 

Haddon (Dr. A. C.), Smith’s Hawaiki. Fourth edition, 
736 
Hadfield (Sir Robert), Advances in the Metallurgy of 
Iron and Steel, 232 
Hadow (Sir Henry), Music as a University Subject, 722 ; 
to receive an honorary degree from St. Andrews — 
University, 723 
Hagen (Prof. E.), [obituary article], 781 
Haines (Prof. W. S.), [death], 437 
Haldane (Dr. J. B. S.), appointed Dunn reader in bio- 
chemistry in Cambridge University, 240 
Haldane (Dr. J. S.) and others, Science and Religion, 729 
Hall (E. H.), A Theory of the Hall Effect and the Related — 
Effect for Several Metals, 555 
Hall (Dr. H. R.), Ancient Egyptian Chronology, 776; 
The Egyptian World in the Time of Tutankhamen, 
398 ; The Recent Discoveries in Egypt, 753 
Halle (Prof. T. G.), elected a foreign correspondent of — 
the Geological Society, 717 
Haller (A.) and L. Palfray, The Mixed and Symmetrical 
1 - ethanoic - 1 - camphomethanoic Esters and their 
Saponification Products, 727; and R. Lucas, Absorp- 
tion in the Ultra-violet of a Series of Derivatives 
of Camphor, 171 
Halliday (Prof. W. R.), The Gypsies of Turkey, 160 
Halnan (E. T.), Animal Nutrition : Foods and Feeding, 804 
Hamel (G.), The Limit of Vegetation in the Channel 
according to the Dredgings carried out by the 
Pourquoi-Pas ? 867 
Hamilton (Rev. Dr. T.), resignation of the vice-chancellor- — 
ship of the Queen's University, Belfast, 586 
Hamilton (W. F.), A Direct Method of testing Colour 
Vision in Lower Animals, 207 
Hanninger (Prof.), The Swedish National School System, 34 
Hansen (H. M.) and S. Werner, The Optical Spectrum 
of Hafnium, 322; On Urbain’s Celtium Lines, 461 
Hanson (Dr.) and J. R. Freeman, The Constitution of 
the Alloys of Iron and Nickel, 861 
Hargreaves (J.) and G. S. Clark-Maxwell, Observations 
at Wallal of the Eclipse of September 1922, 128 
Harkins (Prof. W. D.) and S. L. Madorsky, Separation 
of Mercury into Isotopes in a Steel Apparatus, 148, 
804 
Harmer (F. W.), [death], 578; [obituary article], 779 
Harmer (Sir Sidney F.), Scientific Investigation of the 
Whaling Problem, 540; The Fading of Colours, 130 
Harries (H.), Wind Steadiness in the Upper Air, 583 
Harris (L. J.), A Biochemical Discovery of the Ancient 
Babylonians, 326; The Existence of an Unidentified 
Sulphur Grouping in the Protein Molecule, 274 
Harris (P. W.), Crystal Receivers for Broadcast Reception, 
628 
Harrison (the late B.), a replica of a portrait of, placed 
in the Maidstone Museum, 855 
Harrison (Dr. J. W. H.), Divided Composite Eyes, 81 
Harrow (Dr. B.), Glands in Health and Disease, 694 
Hartridge (Dr. H.), re-appointed University lecturer in 
the physiology of the senses in Cambridge University, 
864; The Coincidence Method for the Wave-length 
Measurement of Absorption Bands, 205 ; and F. J. W. 
Roughton, Measurements on the Rate of Oxidation 
and Reduction of Hemoglobin, 242, 325 
Hatfield (W. H.), Stainless Steel, with some Consideration 
of its Application to the Glass Industry, 206 ~ 
Hatschek (E.), The Standard Methods of Ultra-microscopy, 
487; and P.C. L. Thorne, Metal Sols in Non-dissociat- 
ing Liquids. I., 381 
Haughton (S. H.), Reptilian Remains from the Karroo 
Beds of East Africa, 242 
Havelock (Prof. T. H.), Studies in Wave Resistance : 
Influence of the Form of the Water-plane Section 
of the Ship, 725 
Hawkes (L.), The Pamir Earthquake of Feb. 18, 1911, 682 
Hay (Prof. M.), resignation of the position of Medical 
Officer of Health for Aberdeen, 760 
Hayasaka (I.), Tertiary Brachiopoda of Japan, 647 
Haycraft (Dr. J. B.), [death], 58; [obituary article], 124 
Hayford (J. F.), Effects of Winds and of Barometric 
Pressures on the Great Lakes, 45 
Headridge (J. P.), resignation of the lectureship in dental 
metallurgy in Manchester University, 652 
