Nature, J 
August 11, 1923. 
Name Index 
XVii 

Mallock (A.), Divided Composite Eyes, 82; The Effect 
of Temperature on some of the Properties of Steel, 
346; The Resolving Power and Definition of Optical 
Instruments, 382 
Manen (J. van), The 44th Verse of the Dhammapoda, 832 
Maneyrol (A.), A Gliding Record, 25 
Manfe (H. B.), Silification of a Fresh-water Shale at the 
Base of the Kalahari Sands at Gwampa, 412 
Manley (J. J.), A Further Improvement in the Sprengel 
Pump, 242 
Manville (Dr. O.), Production économique de la vapeur, 565 
- Maquenne (L.), Aucuba japonica, 243 
Marcelin (A.), Superficial Fluids, 383 
Marchal (Mlle. G.), The Dissociation of Silver Sulphate, 275 
Mardles (E.), Experiments on Hardness and Penetration, 
116 
Mardles (E. W. J.), Changes of Volume and Refractive 
Index associated with (a) the Formation of Organo- 
sols and Gels, and (b) the Reversible Sol to Gel 
Transition, 170; The Elasticity of Organogels of 
Cellulose Acetate, 761; The Reversible Sol to get 
Transition in Non-liqueous Systems. Parts I. and 
II., 170; The Scattering of Light by Organosols and 
Gels of Cellulose Acetate, 170 
Marec (E.), La Force motrice électrique dans l'industrie, 
494 
de Margerie (Dr. E.), awarded the Mary Clark Thompson 
gold medal by the U.S. National Academy of Sciences, 
16 
Rika Zao (Prof. L.), [death], 230 
Marr (Rev. J. F.), the work of the Sir John Cass Technical 
Institute, 241 
Marsden (Dr. R.), appointed honorary clinical lecturer in 
tuberculosis in Manchester University, 449 
Marsh (J. K.) and Prof. A. W. Stewart, Tesla Spectra of 
Complex Compounds, 289; Tesla Spectra and the 
Fraunhofer Effect in Complex Compounds, 115 
Marshall (Prof. C. R.), appointed John Farquhar Thomson 
lecturer in Aberdeen University, 864 
Marshall (Dr. J.), appointed reader in mathematics at 
Bedford College for Women, 724 
Marshall (J.), The Interior and Exterior Space-Time Forms 
of the Poincaré Electron in Weyl’s Geometry, 795 
Marshall (J. A.), Bactericidal Properties of the Products 
of Radium Emanation, 36 
Marten (J. T.), The Population of India, 786 
Martin (Dr. L. C.), Colour and Methods of Colour Repro- 
duction. With Chapters on Colour Printing and 
Colour Photography by W. Gamble, 799; Science 
and Armaments,.82, 429; Surveying and Naviga- 
tional Instruments from a Historical Standpoint, 519 
Martyn (G. H.), Unusual Crystals, 186 
Marvin (F. S.), The Social Influence of Science, 209, 362 
Marx (A.) and J. Roziéres, The Purification of Liquids by 
the Simultaneous Action of Centrifugal Force and the 
Electric Field, 795 
Mason (T. G.), Growth of Cassava Plants, 374; Ligneous 
Zonation and Die-back in the Lime (Citrus medica, 
var. acida) in the West Indies, 831 
Massart (Prof. J.), Belgian Botany: a Record of War 
Time, 9 
7 
Masson (Sir David Orme), elected president of the Aus- | 
tralian National Research Council, 478 
Masson (Dr. I.) and L. G. F. Dolley, The Pressures of 
Gaseous Mixtures, 622 
Mathias (E.), Dr. C. A. Crommelin, and Prof. H. Kamerlingh 
Onnes, The Latent Heat of Vaporisation, etc., 587 
Mathieu (E.), Cultivation of the ‘“‘ Kapok ”’ Tree, 411 
Matisse (Dr. G.), Les Sciences naturelles, 251 
Matthai (Prof. G.), Recent Oceanographical Research, 413 
Matthews (W. H.), Mazes and Labyrinths: a General 
Account of their History and Developments, 321 
Maubert (A)., L. Jaloustre, and P. Lemay, The Influence 
of Thorium-X on the Catalase of the Liver, 832 
Mauguin (C.), The Reflection of Réntgen Rays on certain 
remarkable Reticular Planes of Calcite, 763 
Maurain (C.), Magnetic Measurements in Brittany, 520 
Maurice (Maj.-Gen. Sir Frederick B.), elected a member of 
the Atheneum Club, 232 
Maurice (N. B.), recommended for the degree of Ph.D. by 
Manchester University, 307 
Maw (Dr. W. H.), awarded the Bessemer gold medal of 
the Iron and Steel Institute, 300 
Maxwell (Sir Herbert), Nature Knowledge and Pastime, 
800; The Stoat’s Winter Pelage, 220 
Maxwell (James Clerk), a tablet to, affixed to 16 Palace 
Gardens Terrace, 890 
Mayer (J. T.), the bicentenary of the birth of, 231 
McAdie (Prof. A.), Paradoxical Rainfall Data, 362 ; Wind 
and Weather, 597 
M‘Aulay (Prof. A.), A Relativity-predicted Mechanical 
Effect in the Electromagnetic Field, 325 
M'Clelland (W. W.), appointed principal lecturer on 
education in the Edinburgh Training Centre, 273 
McDowall (Dr. R. J. S.), appointed professor of physiology 
at King’s College, London, go1 
McEwan (Dr. D.), a prize in surgery at St. Andrews Uni- 
versity to be instituted in honour of, 792 
M'‘Farlane (J.), appointed reader in geography in Aberdeen 
University, 864 
McGovern (Janet B. Montgomery), Among the Head- 
hunters of Formosa, 284 
M‘Grath (Sir Joseph), [death], 437 
McIntosh (Prof. W. C.), re-elected president of the Ray 
Society, 477 
McKay (Dr. G. L.) and Prof. C. Larsen, Principles and 
Practice of Butter-making. Third edition, 77 
M‘Kechnie (Lt.-Col. W. E.), Soaring Flight and the 
“Olfactory '’ Organs of Birds, 48 
M'Kerrow (J. C.), The Appearance of Mind, 770 
McLachlan (Dr. H. W.), Magnetic Recording Drum for 
Electric Relays, 617 
McLachlan (N. W.), A Novel Instrument for recording 
Wireless Signals, 830 
McLennan (E.), Nature Notes, Critical and Constructive, 
508 
McLennan (Prof. J. C.) and D, S. Ainslie, The Fluorescence 
and Channelled Absorption Spectra of Caesiumr and 
other Alkali Elements, 419 
McLuckie (J.), The Parasitism of Notothixos incanus (Oliv.), 
var. subaureus, 136 
McMaster (P. D.) and P. Rous, Hydrohepatosis, a Con- 
dition analogous to Hydronephrosis, 554 
McPherson (W.) and W. E. Henderson, Chemistry and 
its Uses: a Text-book for Secondary Schools, 78 
Meares (J. W.), presentation to, 125; The Development 
of Water Power in India, 96 
Medical Supply Association, Ltd., Radio Apparatus, 
752 
Meek (Prof. A.), A New British Enteropneust, 340 
Mees (Dr. C. E. K.), Recent Advances in Photographic 
Theory, 399 
Mehta (Prof. Karm Chand), The Spread of Rusts upon 
Cereals, 582 
Meisinger (C. Le Roy), Free-Air Pressure Maps for the 
United States, 788 
Mellor (Dr. E. T.), The Influence of Mineral Deposits in 
the Development of a Young Country, 162 
Mellor (Dr. J. W.), Applications of Physics to the Ceramic 
Industries, 757 
Melsom (S. W.) and E. Fawssett, Heating in Electric 
Conductors, 375 A 
Ménard (M.) and Saidman, The Action of the Ultra- 
Violet Rays on Superficial Wounds, 904 
Mendes-Corréa (A. A.), The Proportions of the Limbs in 
Portuguese, 452 
Mercer (S. P.), appointed lecturer in agricultural botany 
and plant diseases in the Queen’s University, Belfast, 
380 
Merck (Dr. E. A.), [obituary article], 437 
Merrill (Prof. P. W.), Interferometer Measures of Double 
Stars, 27; Stellar Spectra of Class S, 372 
Merritt (H. E.) and M. Platt, A Text-book of Machine 
Construction and Drawing, 73 
Merton (Prof. T. R.) and R. C. Johnson, Spectra associated 
with Carbon, 622 
Meston (Lord), elected a member of the Atheneum Club, 
400 
Methuen (A.), An Alpine ABC and List of Easy Rock 
Plants, 216 
Meyer (Prof. K. F.) and others, Distribution of the 
Botulism Organism, 95 
3 
