Title 
and Kinema Apparatus, 408; -Quanta, The Nature 
of, H. Bateman, 567; Sensitiveness, Vision and, J. 
P. O’Hea, 705; The Action of, on Growth, E. Woll- 
man and M. Vagliano, 904; The Diffraction of, by 
the Eyelashes, R. Vladesco, 728; The Scattering of: 
by Liquids, Prof. C. V. Raman and K. S. Rao, 412; 
by Organo-sols and Gels of Cellulose Acetate, E. W. 
J. Mardles, 170; in Fluids at Low Temperatures, 
K. S, Rao, 413 
Lighting, Natural, Survey of, P. J. and J. M. Waldram, 
476 
Lily, the White: Nature of the Secretion of the Sterino- 
plasts of, M. Mirande, 451, 488 
Lime in the West Indies, Ligneous Zonation and Die-back 
in the, T. G. Mason, 831 
Limiting Equality, The Definition of, Prof. G. H. Bryan, 
18 
xliv 

3 
Limulus, Circus Movements of, W. H. Cole, 555 
Linear Differential Equations, Solutions of Systems. of 
Ordinary, by Contour Integrals, Prof. W. McF. Orr, 
762 
Linen Weaving, Fine, Efficiency of, H. C. Weston, 442 
Linné, Carl von, Bref och Skrifvelser af och till, med 
understéd af Svenska Staten utgifna af Uppsala 
Universitet, 594 
Linnean: Correspondence, 594; Society, election of 
officers and council, 751; Dr. J. I. Briquet elected a 
foreign member, 680 
Liquid: Mixtures, The Separation of, by Combined Dis- 
tillation and Atmolysis, E. and R. Urbain, 207; 
State, The Nature of the, Prof. C. V. Raman; Sir 
William Bragg, 428 
Liquids: The Molecular #lotropy of, Prof. C. V. Raman, 
555; The Purification of, by the Simultaneous 
Action of Centrifugal Force and the Electric Field, 
A. Marx and J. Roziéres, 795; the Viscosity of, A 
Theory of, Prof. C. V. Raman, 532, 555, 600; R. M. 
Deeley, 774 y 
Lisbon Academy of Sciences, Sir E. Wallis Budge elected 
a foreign correspondent associate of the, 855 
Lithium Carbide and Hydride, A. Guntz and Benoit, 648 
Lithuania University, Issue of a Bilingual Calendar, 418 
Litre, the, Resolution of the American Metric Association 
respecting, 231 
Liverpool: Observatory, Bidston, Report of the, W. E. 
Plummer, 412; University: opening of new 
chemical laboratories, 552 ; Department of Geology, 
New Gift from Sir Wiliam Herdman, 723 
Livingstone, David, Centenary Medal for 
awarded to Dr. T. Griffith Taylor, 891 
Logarithms to Seven Places of Decimals, A New Manual 
of, edited by Dr. Bruhns. Thirteenth edition, 320 
London: cleaner air for, 509; University : increase of 
grant to the Marine Biological Association; confer- 
ment of doctorates, 168, 417, 449, 552, 828, 901 ; Dr. 
E. E. Turner appointed demonstrator in the Chemical 
Department of the East London College, 168; grant to 
Rev. F. J. Wyeth; resignation of Prof. M. J. M. 
Hill; Universities and the Ph.D. degree; conferment 
upon A. E. Clayton of the degree of D.Sc. (Eng.), 
307 ; Prof. A. V. Hill appointed Jodrell professor of 
physiology; W. J. Perry appointed reader in cultural 
anthropology ;, Dr. B. Malinowski appointed reader 
in social anthropology, 449 ; conferment of a doctorate 
on Miss K. H. Coward, 485; Prof. L. Bairstow 
appointea Zaharoff professor of aviation at the Imperial 
College of Science and Technology ; Dr. C. L. Boulenger 
appointed professor of zoology at Bedford College; 
Miss B. E. M. Hosgood appointed reader in geography 
at Bedford College, 723; Dr. J. Marshall appointed 
reader in mathematics at Bedford College, 724 ; College 
Committee, Annual Report of the, 761; appoint- 
ments, 900-901 
Longitudes, Bureau des, Annuaire pour l’an 1923 publié 
par le, 144 
Lorentz, H. A. (Scientific Worthies, XLII.), Sir Joseph 
Larmor, I 
Lorentz’s Equations and the Concepts of Motion, Prof. 
R A Sampson 795 
Loroglossin in Native Orchids, 
Delaunay, 451 
1923, the, 
The Presence of, P. 
Index 

, 
Nature, 
August 11, 1923 
Loughborough College, Presentation Day of, 418 
Low-resistance Circuits, Inductively Coupled, Prof. C. 
H. Lees, 346 
Lubrication: and Lubricants, J. H. Hide, 392; The 
Latent Period in, Ida Doubledaysand W. B. Hardy, 
182 
Luminescent Chemical Change, A, W. V. Evans and R. 
T. Dufford, 481 
Luminosity of some Animals in the Gangetic Delta, B. 
Prashad, 832 
Lunularia cruciata, The Fungus present in, Miss W. 
Ridler, 274 
M Series of the Elements, The, A. Dauvillier and L. de 
Broglie, 35 
Machine: Construction and Drawing, A Text- book of, 
H. E. Merritt and M. Platt, 737 ; Shop Mathematics, 
G. Wentworth, D. E. Smith, and H. D. Harper, 805 
Madras, the Presidency of, Flora of, J.S. Gamble. Part 5, 
631 
Magnesium, The Rapid Estimation of, in a Single Drop of 
Sea-water, G. Denigés, 35 
Magnet, A Levitated, F. H. Glew, 669 
Magnetic: Bodies, Feebly, Susceptibility of, as affected 
by Tension, Prof. E. Wilson, 241; Disturbance of 
March 24-25, The, Rev. A. L. Cortie, 534; Field, 
Distribution of the, and Return Current round a 
Submarine Cable carrying Alternating Current, Pts. I. 
and II., C. V. Drysdale and S. Butterworth, 793 ; 
Measurements: in Brittany, C. Maurain, 520; in 
Normandy, C. E. Brazier, 588; in the Paris Basin, 
L. Eblé, 903 ; Observations at Batavia, 29; Pheno- 
mena in the Region of the South Magnetic Pole, Dr. 
C. Chree, 866; Recording Drum for Electric Relays, 
Dr. N. W. McLachlan, 617 
Magnetism, Theories of, Dr. A. E. Oxley, 54 
Maithili Dramas of the Seventeenth and Eighteenth Cen- 
turies, K. G. Sinha, 555 
Makdougall-Brisbane Prize, The, awarded to Prof. W. T. 
Gordon, 681 
Maladies parasitaires des plantes, Les 
Infection), M. Nicolle et J. Magrou, 77 
Malay: Peninsula, The Flora of the, H. N. Ridley. Vol. 1: 
Polypetale, 6; The Writing of, C. H. Pownall, 581 
Malta: and Gozo, Ethnology of, L. H. D. Buxton, 858 ; 
Flints in, Miss M. A. Murray, 783 
Mammiféres fossiles de Tarija, Prof. M. Boule avec la 
collaboration d’A. Thevenin, 699 
Man: and the Ice Age: Prof. W. J. Sollas, 169, 332; 
as a Geological Agent : An Account of his Actions on 
Inanimate Nature, Dr. R. L. Sherlock, 352; as an 
Agent in Geographical Change, Dr. R. L. Sherlock, 
340; Biology of, Prof. K. Pearson, J. S. H., 809; 
Chromosomes in, Dr. T. S. Painter, 786 ; The Animal, 
Prof. W. M. Smallwood, 78 
Man’s Posture: its Evolution and Disorders, Sir Arthur 
Keith, 476 
Manchester: Literary and Philosophical Society, election 
of officers and council, 645; Municipal College of 
Technology, the coming of age of the, 724 ; Museum : 
Gift to, by C. Heape, 855; Prof. G. H. Carpenter 
appointed Keeper of the, 204 ; University: proposed 
institution of an honours school of geography, 196 ; 
Dr. J. C. M. Brentano appointed lecturer in physics ; 
H. W. Baker lecturer in engineering ; A. D. Ritchie 
lecturer in biological chemistry, 240; D. C. Henry 
appointed lecturer in colloid chemistry and to take 
charge of the Graham Research Laboratory ; N. B. 
Maurice recommended for the degree of Ph.D., 307; 
resignation of R. S. Adamson; C. R. Christian 
appointed temporary demonstrator in pathology ; 
honorary degrees to be conferred on Prof. N. Bohr, 
Prof. F. G. Hopkins, and W. B. Worthington, 418 ; 
resignation of the chancellorship of, by Lord Morley 
of Blackburn; F. Fairbrother appointed lecturer in 
chemistry, Dr. D. S. Sutherland clinical lecturer in 
infectious diseases, and Dr. R. Marsden honorary 
clinical lecturer in tuberculosis, 449 ; resignations of 
appointments, 652; L. J. Mordell appointed Fielding 
professor of pure mathematics; Lord Crawford nomi- 
(Infestation- 
