Nature, 
_ March.26, 1914 
Larch Saw-fly, a Further Parasite of the Large, R. A. 
_ Wardle, 320 
Latitude Variation and Radial Refraction from the Sun, 
P. F, E. Ross, 459. 
‘Learning Process, Prof. S. S. Colvin, 129 
Lecithins, 410 
Leeches, New European, Dr. M. v. Gedroyé, 145 
Left-handedness, 563 
Lepidoptera Indica, Dr. F. Moore, Col. Swinhoe, 483 
eprosy, Dr. H. Bayon, 379 
Level with Damped Mercury, A. Broca and C, Florian, 442 
Licences for Wireless, 320, 719 
Lichens, Marine, of Howth, Miss M. C. Knowles, 142 
Light: Electrical Photometry and Illumination, Prof. H. 
Bohle, M. Solomon, 126; Light Energy required to 
produce the Photographic Latent Image, P. G. 
Nutting, 293; Magneto-optics, P. Zeeman, 313; New 
Glass “Spectros” absorbing Ultra-violet Rays, 327; 
Multiple Vision with a Single Eye, Prof. A. M. 
Worthington, 328; Researches in Physical Optics: 
Radiation of Electrons, Prof. R. W. Wood, 339; Pre- 
paration of Eye-preserving Glass for Spectacles, Sir W. 
Crookes, O.M., F.R.S., 357; Negative After-images 
and Successive Contrast, Prof. A. W. Porter and Dr. 
F. W. Edridge-Green, 363; Diffraction by Particles 
comparable to Wave-length, B. A. Keen and A. W. 
Porter, 416; Mathematical Representation of a 
Wave-pulse, Dr. R. A. Houstoun, 416; Light, 
Radiation, and Illumination, P. Hégner, J. Eck, 448; 
Reflection of Light at the Confines of a Diffusing 
Medium, Lord Rayleigh, O.M., F.R.S., 450; Scatter- 
ing in Reflection from Grating, Prof. Barus, 451; Inter- 
mittent Vision, A. Mallock, 494; Standard Wave-length 
Determinations, Messrs. St. John and Ware, 512; 
“Davon” Micro-telescope, Prof. C. V. Boys, 595; Path 
of Ray in Rotating Solid, E. M. Anderson, 730 
Lightning Conductors, Franklin’s, at St. Paul’s, 13 
' Lime Manufacture, U.S. Bureau of Standards, 697 
' Lip-reading, E. B. Nitchie, 422 
Liquid: Liquid Air, G. Claude, H. E. P. Cottrell, F. 
Soddy, F.R.S., 134; Slipping of Liquids over Solids, 
R. Détrait, 433; Liquid Air as a Fixative, Prof. H. H. 
Dixon, 609 
“Lobster-claw ” Deformity, 537 
Locomotive, Sulzer-Diesel, 85 
Locust Extermination in Sudan, 614 
Logarithms: Four-figure Tables, C. Godfrey and A. W. 
Siddons, 195 
London: London Waters: Report, 49; Problem of the 
University of London, 426, 455; London County 
Council Conference of Teachers, 542; London Natural 
History Society, 590 
Loose-leaf-Book, Vesterling Org. Co., 643 
Machine Construction and Drawing, A. E. Ingham, 92 
Madrid Observatory Annual, 594 
Magnesium, Organometallic Compounds of Zinc and, Dr. 
H. Wren, 261 
Magnetism: I Fenomeni Magnetici nelle Varie Teorie, S. 
Magrini, 164; Magnetic Properties of Ferro-, Para-, 
and Dia-magnetic Substances, Prof. Honda and pupils, 
409; Realisation of High Magnetic Fields, H. 
Deslandres and A. Perot, 650; Subsidence of Torsional 
Oscillations of Nickel Wires in Alternating Fields, 
Prof. W. Brown and J. Smith, 704 
Magnetism of the Sun, Hale’s Attempt to determine the 
General, Kr. Birkeland, 55 
Magnetism, Terrestrial: Magnetic Storms and_ Solar 
Phenomena, J. Bosler, Dr. C. Chree, F.R.S., 19; 
Variations in the Earth’s Magnetic Field, Prof. 
Nipher, 240; Diurnal Variation, G. W. Walker, 363; 
Declination on Atlantic (Carnegie), 669 
_ Magnetometers, Tungsten Wire Suspensions for, S. Chap- 
J man and W. W. Bryant, 585 
Magneton and Planck’s Constant, Dr. H. S. Allen (Atomic 
Models), 630, 713; S. D. Chalmers, 687 
Magneto-optics: Magnetic Resolution of Spectrum Lines, 
_ Prof. P. Zeeman, 313 
Malaria: Malarial Committee of India, 14; Nature and 
Treatment of Cancer and Malaria, Dr. J. Beard; Dr. 
Lndex 
XXxvli 
C, W.. Saleeby, 60; Pancreatic Treatment, Dr. J. 
Beard, 165; Cause and Control, Prof. W. B. Herms, 
316; New Malarial Parasite (Plasmodium tenue) of 
Man, Dr. J. W. W. Stephens, 729 
Malta, Prehistoric Sites, 49 
Mammals: Japanese, B. Aoki, 175; Ungulate Mammals, 
British Museum Catalogue, R, Lydekker, F.R.S., 288; 
Convergence in Mammalia, 411; Evolution of Limbs, 
Dr. Broom, 640 
Man: Antiquity in S. America, A. Hrdlitka, Dr. Haddon, 
F.R.S., 144; Man and his Forerunners, Prof. H. v. 
Buttel-Reepen, A. G. Thacker, 160; Origin and 
Antiquity of Man, Dr. G, F, Wright, 160; L’Uomo 
Attuale una Specie Collettiva, V. Giuffrida-Ruggeri, 
160; die Rehobother Bastards, Dr, E. Fischer, 160; 
Man and his Future: the Anglo-Saxon, Lieut.-Col. W. 
Sedgwick, A. E. Crawley, 396 
Manchester: Old Natural History Society, F. Nicholson, 
335 
Maps: Relief in Cartography, Capt. H. G. Lyons, 380; 
Maps and Survey, A. R. Hinks, F.R.S., v 
Marine Amceba, Habitats, J. H. Orton, 371, 606; 399, 479 
Mars: Canals seen with 4o-inch, Prof. Lowell, 643 
Mass as a Measure of Inertia, Prof. W. C. Baker, 268 
Mathematics: Place of Pure Mathematics, H. F. Baker, 
F.R.S., 69; Death of Dr. A. Macfarlane, Dr. C. G. 
Knott, 103; Hindu Mathematics, 176; (1) Elementary 
Algebra; (2) Four-figure Tables, C. Godfrey and 
A. W. Siddons, 195; Papers Set in the Mathematical 
Tripos, Part I., Cambridge, 1908-12, 195; Elementary 
Experimental Dynamics for Schools, C. E. Ashford, 
195; Mathematics, Science, and Drawing for the Pre- 
liminary Technical Course, L. J. Castle, 195; Nomo- 
graphy, Capt. R. K. Hezlet, 195; Principles of Projec- 
tive Geometry Applied to Straight Line and Conic, 
J. L. S. Hatton, 195; Scientific Papers, Lord Ray- 
leigh, O.M., F-.R.S., 227; Mathematical Theory of 
Heat Conduction, Prof. Ingersoll and O. J. Zobel, 
265; Practical Mathematics: First Year, A. E, Young, 
341; Elementary Treatise on Calculus, Messrs. 
Franklin, MacNutt, and Charles, 341; Problémes de 
Mécanique et Cours de Cinématique, Prof. C. 
Guichard, MM. Dautry et Deschamps, 341; Further 
Problems in the Theory and Design of Structures, E. S. 
Andrews, 341; Mathematical Representation of a Light 
Pulse, Dr. R. A. Houstoun, 416; Principia Mathe- 
matica, Dr. A. N. Whitehead, F.R.S., and B. Russell, 
F.R.S., 445; Mnemonic Verse for 7, 458; Note, 510; 
Projective Geometry, H. Piaggio; “The Writer of the 
Note on p. 510,” 607; Marsh’s Mathematics Work- 
book, H. W. Marsh, 552; Proceedings of the Fifth 
International Congress of Mathematicians at Cam- 
bridge, Prof. E. W. Hobson and Prof. A. E. H. Love, 
Prof. G. H. Bryan, F.R.S., 575; Need for News, 
General and Personal, 592; Matter and Some of its 
Dimensions, W. K. Carr, 605; Continuity: B.A.A. 
Address, Sir O. Lodge, 606; Vectorial Mechanics, Dr. 
L. Silberstein, 657; Introduction to the Mathematical 
Theory of Attraction, Dr. F. A. Tarleton, 657; First 
Course in Projective Geometry, 657; Catalogue of 
Mathematical Journals, 669; Theory of Chance applied 
to Radio-activity, Prof. L. v. Bortlkiewicz, 684; Semi- 
regular Polytopes, 722; see British Association 
Matter: Les Idées Modernes, E. Bauer, Mme. Curie, and 
others, F. Soddy, F.R.S., 339; International. Con- 
ference on Structure of Matter, 347; Matter and Some 
of its Dimensions, W. K. Carr, 605 
Mechanics: Mechanics of Development: Causal and Con- 
ditional Outlook, W. Roux, 4; Machine Construction 
and Drawing, A. E. Ingham, 92; Mass as Measure of 
Inertia, Prof. Baker, 268; Problémes de Mécanique, 
Prof. Guichard, MM. Dautry et Deschamps, 341; 
Theory and Design of Structures, E. S. Andrews, 4, 
341; Mechanics of the Aéroplane, Capt. Duchéne, J. H. 
Ledeboer and T. O’B. Hubbard, 368; Pressure in 
Explosions, Prof. B. WHopkinson, 416; Vectorial 
Mechanics, Dr. L. Silberstein, 657; Strength of Stayed 
Flat Plates, C. E. Stromeyer, 670 
Medicine: the People’s Medical Guide, Dr. J. Grimshaw, 
59; Medical School Addresses, 171; Death of Dr. 
Lucas-Championniére, 271; Infective Diseases, Prof. 
