XXViil 
Title Index 
Nature, 
August 11, 1923 
TITEE. INDEX. 
Aberdeen: Medical Officer of Health, resignation of 
Prof. M. Hay, 760; United Free Church College, 
Prof. J. A. Thomson to deliver the Thomson lecture 
at the, 133; University : W. W. M‘Clelland appointed 
principal lecturer on education in the Edinburgh 
Training Centre; Prof. Bower appointed chairman 
of the Association of University Teachers of Scotland, 
273; conferment of an honorary degree on the Duke 
of Richmond and Gordon; Prof. W. Mitchell 
appointed Gifford lecturer for 1924-25 and 1925-26, 
345; building alterations in, 417; conferment of 
honorary degrees, 484; the bequest of Miss Anne 
Hamilton Cruickshank, 517; W. G. Mackinnon 
appointed assistant in geology, 552; Sir Robert 
Horne’s Rectorial Address, 620; the Blackwell 
prize awarded to F. C. Diack; appointments, 864 ; 
proposed hospital development, 899 
Aberration: and the Déppler Effect as treated in the 
Theory of Relativity, C. W. Hume, 623; Diffraction 
Effects, G. C. Steward, 418 
Aboriginal Cylindro-conical Stones, G. Horne, 311 
Absolute Measure and the C.G.S. Units, Sir George 
Greenhill, 259 
Absorption: Bands, Wave-length Measurement of, The 
Coincidence Method for the, Dr. H. Hartridge, 205 ; 
Spectra and Atomic Structure, V. Henri, 859 
Acetylene, The Action of, on Zinc Ethyl, J. F. Durand, 654 
Acetylenic Hydrocarbons, The Preparation of True, M. 
Bourguel, 488 
Acids, Removal of, from Solution, by Precipitates of 
Alumina, A. Charriou, 452 
Acquired Characters, The Inheritance of, Prof. E. W. 
MacBride, 134; Breeding Experiments on, Dr. P. 
Kammerer, 637; J. T. Cunningham, 702 
Actinium, The Relation of, to Uranium, Dr. A. S. Russell, 
793 
Actinograph, An Improved, Note on the Influence of a 
Glass Shade, A. W. Clayden, 727 
Actuarial Mathematics, 769 
Adaptation to Changes in Salinity, Intervention of the 
Spleen in the Phenomena of, F. Gueylard, 554 
Adsorption and Hemoglobin: Sir W. M. Bayliss, 666 ; 
W. E. L. Brown, 881; Prof. A. V. Hull, 843; J. 
Barcroft; N. K. Adam, 844; the Criteria of, The 
Combination between Oxygen and Hemoglobin, and, 
N. K. Adam, 496 
Aegilops, Chromosome Numbers in, Prof. J. Percival, 
810 
Aerial Surveying by Vertical Photographs, Recent Experi- 
ments in, Prof. B. Melvill Jones and Major J. C. 
Griffiths, 707, 745 
Aerodynamics, Use of the Millibar in, Major A. R. Low, 535 
Aeronautic Investigations, Recent, and the Aeroplane 
Industry, Prof. J. S. Ames, 363 
Aeronautical: Maps, Projection for, Col. E. M. Jack and 
Capt. G. T. McCaw, 788 ; Research Committee, Report 
of the, 1922, 306 
Aeroplane : The Low-power, or Aviette, Prof. L. Bairstow, 
672; Cross-channel Flight, An, G. Barbot, 645; 
Flight in the U.S.A., A Long Non-Stop, Lieuts. 
Macready and Kelly, 645 
Africa, Tropical, Pasture Grass in, T. M. Dawe, 198 
African: Sign Writing, C. W. Hobley, 373; Woodland 
Formations, Aspects of, C. F. M. Swynnerton, 419 
Agardh’s, C. A., ‘‘ Aphorismi botanici,’”” Dr. B. Daydon 
Jackson, 309 
Age and Area: a Study in Geographical Distribution 
and Origin of Species, Dr. J.C. Willis. With Chapters 
by H. de Vries, H. B. Guppy, Mrs. E. M. Reid, and 
J. Small, 39; and Natural Selection, J. T. 
Cunningham, 287 ; Hypothesis, The, J. Adams, 114; 
r. J.C. Willis, 115 ; in Biology, W. C. F. Newton, 48 ; 
in Natural Selection, Dr. H. L. Clark, 150 
Age Distribution, Normal, Stability of the, A. J. Lotka, 36 
Agricultural : Botany, National Institute of, Third Report 
of the Council of the, 478; Cyclopedia, A Great 
American, Sir John Russell, 140; problem, appoint- 
ment of a tribunal of investigation into the, 24; 
Progress in India, D. R. Sethi and others, 584; 
Research and Education, grants for, 405; Science, 
Rothamsted and, Sir John Russell, 466; Scholar- 
ships, etc., to be awarded by the Ministry of Agri- 
culture and Fisheries, 449 
Agriculture in the Tropics, an Elementary Treatise, Dr. 
J. C. Willis. Third edition, 876 
Air: at Great Heights, The Temperature of the, Prof. 
F, A. Lindemann and G. M. B. Dobson, 622; Confer- 
ence, The Third, Prof. L. Bairstow, 238; The, and 
its Ways: the Rede Lecture (1921) in the University 
of Cambridge, with other contributions to Meteorology 
for Schools and Colleges, Sir Napier Shaw, 871 ; with 
Temperature, The Variation of the Specific Heat of, 
Prof. J. R. Partington and W. J. Shilling, ryo 
Alanine, Conversion of, into Pyruvic Acid by the Direct 
Action of Oxygen, L. J. Simon and L. Piaux, 727 
Alaska, Fumaroles in, 269 
Alcohol: in Commerce and Industry, C. Simmonds, 181 ; 
-Petrol Mixtures, The Stability of, in the Presence of 
Water, M. Aubert and G. Dixmier, 762 
Alcohols: The Catalytic Dehydration of, by Dilute 
Sulphuric Acid, J. B. Senderens, 520 ; the Cingoste 
of, The Diastatic Hydrolysis of, H. Colin and Mlle. 
A. Chaudun, 347 
Aldebaran, Projection of, on the Moon, R. L. Waterfield, 822 
Algebraical Equations, The Grapho-mechanical Deter- 
minations of Systems of Real or Imaginary Solutions 
of, J. Roudaire-Miégeville, 310 
Algerian Earthquake of August 25, 1922, The, Mme. 
A. Hee, 135 
Alkali Polyhalides, Significance of the Experimentally 
Determined Crystal Structures of the, G. L. Clark, 868 
Alkaloids, A New Reagent for, and the Preparation of the 
Iodostibinates of these Substances in the Crystallised 
State, M. Caille and E. Viel, 692 
Allantoplacenta, The Phylogenetic Signtticaa of the 
Marsupial, Prof. T. T. Flynn, 136 
All-Electric Age, The, A. G. Whyte, 494 
Mee: The Theory of, Prof. A. Smits, translated by, 
r. J. S. Thomas, 733 
Algo 
Extension of, in Course of Transformation, ay 
Phenomenon observed during the, A. Portevin and 
F. Le Chatelier, 383; Resistant to Corrosion, Sir 
Robert Robertson and others, 619; The Inner 
Structure of, Dr. W. Rosenhain, 647; The Thermo- 
electric Power of, H. Pélabon, 762 
Alpha: Particles in Gases, Some Interesting Tracks of, 
R. W. Ryan and W. D. Harkins, 114; -ray Tracks, 
Forked, Study of, P. M. S. Blackett, 381 
Alphitonia excelsa Reiss, The Glucoside occurring in the 
Timber of the Red Ash, H. G. Smith and J. Read, 311 
Alpine ABC, An, and List of Easy Rock Plants, arranged 
by A. Methuen, 216 
Altitude, High, The Effect of, on the Physiological Pro- 
cesses of the Human Body, J. Barcroft, 134 
Aluminium: and_its Alloys, Lt.-Col. C. Grard, trans- 
lated by C. M. Phillips and H. W. L. Phillips, 389 ; 
and other Metals, Single Crystals of, Prof. A. W. 
Porter, 362; Crystal, The Distortion of an, during a 
Tensile Test (Bakerian Lecture), G. I. Taylor and C. 
F. Elam, 309 ; On Some Alloys of (Light Alloys), Dr. 
W. Rosenhain, S. L. Archbutt, and Dr. D. Hanson, 
389 ; Sub-group, The Series-Spectra of the, J. A. 
Carroll, 418; The Dilatometric Study of the Alloys 
of, with Magnesium and Silicon, A. Portevin and P. 
Chevenard, 275 
Alveolar Air, Effect of Suspended Respiration on the 
Composition of, H. S. H. Wardlaw, 136 
Alytes, Dr. Kammerer’s, Dr. W. Bateson, 738 
Amber and the Dammar of Living Bees, M. Stuart, 83 
America: Research Departments in Manufacturing Firms 
in, Sir J. J. Thomson, 855; The National Research 
Council of, 31 
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