XXVI 



Index 



w 



Nature, 



Lacroix (Prof.), the Situation in Martinique, 36; White 

 River choked by Mont Pel£e Eruption, 155 ; Conse- 

 quences of Shattering of the Cone in Crater of Mont 

 Pele>, 208 ; Eruptions of Dense Clouds from Mont Pele>, 



335 

 Lacy (C. J.), A Bright Meteor, 307 

 Laffitte (Pierre), Death of, 230 



Lagrange's Equations. The Principle of Least Action, 

 Oliver Heaviside, F.R.S., 297; the Principle of Activity 



and, Rotation of a Rigid Body, Prof. W. McF. Orr, 368 ; 

 Oliver Heaviside, F.R.S., 368; Proof of Lagrange's 

 Equations of Motion, &c, Prof. W. McF. Orr, 415: 

 R. F. \V., 415; Lagrange's Equations, A. B. Basset, 

 F.R.S., 464 

 Lake-country Rambles, William T. Palmer, 79 

 Lakes : Loch Morar and Lochs Beoraid and Nostarie, Dr. 

 T. N. Johnston, 455 ; Temperatures in Lochs Morar, 



Eilt and Dubh (Ailort), T. R. H. Garrett, 455 j Pelagic 



Life in the Lochs, James Murray, 455 

 Lamb (Mr.), Neutralising Power of Anti-venomous Serum 



towards Cobra Venom, 38 

 Lamb (Prof.), on Wave-propagation in Two Dimensions, 71 

 Lambert (Rev. F. C), Bromide Printing, 510 

 Lamp Lighted by Means of Bacteria, Prof.' Hanos Molisch 



468 

 Lampa (A.), Freezing Points of Aqueous Solutions are 



Lowered by Pressure to Greater Extent than that of. 



Water, 425 

 Lamplough (F. E.), Proustite Crvstals, 142 

 Lamplugh (G. W.), Fossiliferous Band at the Top of the 



Lower Greensand, near Leighton Buzzard, 406- Memoirs 



of the Geological Survey, United Kingdom : the Geology 



of the Isle of Man, 555 

 Lander (Dr. G. D.), Molecular Arrangement of N-substi- 



tuted Imino-ethers, 430 

 Landois (Prof. Leonard), Death of, 180 

 Landor (A. H. Savage), Across Coveted Lands, 489 

 Langley (Prof. S. P.), a Sub-tropical Solar Phvsics Observ- 

 atory, 207 ; a Device for Obtaining Good Seeing, 400 ; 



the Solar Constant, 522 

 Langlois (G.), Essence of Vetiver, 168 

 Language : the Elements of Experimental Phonetics 



Edward Wheeler Scripture, Prof. John G. McKendrick' 



F.R.S., 268 

 Lannelogue (M.), Tuberculosis and Diaphysis of the Long 



Bones of the Limbs, 431 

 Lantern Slides, the Prevention of Dew Deposits on, Prof 



Arthur Schuster, F.R.S., at the British Association at 



Belfast, 476 

 Lapworth (Dr.), Influence of Nitro-groups on the Reactivity 



of Halogen Derivatives of Benzene, 358 

 Larmor (Dr. J., F.R.S.), the Mathematical Expression of 



the Principle of Huygens, 262 

 Larmor (Dr. J., Se'c.R.S.), on the Electrodvnamic and 



Thermal Relations of Energv of Magnetisation 333 • 



Electric Waves, H. M. Macdo'nald, F.R.S., 361 

 Laslett (E. E.), Descending Intrinsic Spinal Tracts in the 



Mammalian Cord, 165 

 Lauder (Dr.), Relation between Absorption Spectra and 



Chemical Structure of Certain Alkaloids, 358; Constitu- 

 tion of Cotarnine, 551 

 Laufer (Berthold), the Decorative Art of the Amur Tribes 



560 

 Laughter, an Essay on, Prof. James Sully, Dr. W. 



McDougall, 318 

 Laurent (Emile), Internal Action of Copper Sulphate in the 



Resistance of the Potato to Phytophtlwra infestans, 167; 



Duration of the Germinating Power of Seeds Preserved 



in a Vacuum, 192 ; Germinating Power of Seeds Exposed 



to Sunlight, 239 

 Laurent (Jules), Influence of Organic Materials on the De- 

 velopment and Anatomical Structure of some Phanero- 

 gams, 96 

 Laveran (A.), on Animal Heat, 575 ; Anopheles and Malaria, 



57S; Spirillosis in the Bovidae, 623 

 Le Cadet (G.), Comet 1902 b, 455 ; Atmospheric Electricitv 



at the Summit of Mont Blanc! 575 

 Le Souef (Mr.), Feathers of the Emeu, 300 

 Lead Accumulator, the, E. J. Wade, Maurice Solomon, 410 

 Lead Poisoning and Water Supplies, Dr. Houston, -08 

 Least Action, the Principles of, A. B. Basset, F.R.S., 343 



Lebaudy's Navigable Balloon Ascent, 63 



Lebeau (P.), Two Silicides of Manganese, 287 



Lebedew (Peter), Apparent Deviations from Newton's Law 

 of Gravitation, 91 



Leduc (A.), Atmospheric Hydrogen, 96 



Leduc (S.), Production of Sleep and of General Anaesthesia 

 by Electric Currents, 96 



Lee (Alice), Correlation of the Mental ana Physical 

 Characters in Man, 261 



Leech (John Henry), Catalogue of the Collection of Palaw- 

 an tic Butterflies Formed by the late, Richard South, 583 



Leeds (E. N.), Gigantic Sauropod Dinosaur from the Oxford 

 Clay near Peterborough, 617 



Lees (Dr. C. L.), Apparatus used in the Determination of 

 the Thermal Conductivities of Solids over Wide Ranges 

 of Temperature, 166 



Lees (F. H.), Interaction of Ketones and Aldehydes with 

 Acid Chlorides, 1 17 



Lees (Mr.), Constituents of Oil of Rue, 71 



Lehfeldt (Dr. R. A.), a Potentiometer for Thermocouple 

 Measurements, 501 ; a Resistance Comparator, 501 ; the 

 Evaluation of the Absolute Scale of Temperature, 550 



Leigh (G. F.), the Enemies of Lepidoptera in Natal, 106 



Leighton (Dr. G.), the Question of Adders Swallowing 

 their Young, 182 



Lendenfeld (Robert von), Method of Studying the Action of 

 Insects' Wings by Instantaneous Photography, 617 



LenhossiSk (Dr. M. von), Das Problem der geschlechts- 

 bestimmenden Ursachen, 366 



Leonid Meteors, 1902, a Forecast, John R. Henry, 8 



Leonid and Bielid Meteor-showers of November, 1902, the, 

 Prof. A. S. Herschel, F.R.S., 103 



Leonid, a Sickle, G. McKenzie Knight, 204 



Leonids of 1902 and Quadrantids of 1903, John R. Henrv. 

 298 



Lepidoptera : Biologia Centrali-Americana. Insecta — 

 Lepidoptera — Rhopalocera, FVederick Ducane Goodman, 

 F.R.S., and the late Osbert Salvin, F.R.S., 25; Lepi- 

 doptera and Choice of Plant Food, A. H. Church, R. 

 McLachlan, and Mr. Goss, ibb ; the Enemies of Lepi- 

 doptera in Natal, G. F. Leigh, 166 ; Effects of Natural 

 Selection and Race-tendency upon the Colour-patterns of 

 the Lepidoptera, A. G. Mayor, 351 ; the Lepidoptera of 

 the British Islands, Charles 1.. Barrett, 438 



Leprosy, the Propagation of, Jonathan Hutchinson, F.R.S., 

 m; the .-Etiology of, Dr. Jonathan Hutchinson, 590 



Lesage (M.), Measurement of Electric Resistance as 

 Analysis for Fermentation and in Pathological Cases, 350 



Leube (Prof.), Physiological Albuminuria, 21 



Levy (A. G.), Error in the Estimation of the Specific Gravity 

 of the Blood by Hammerschlag's Method, 23S 



Lewenz (Marie A.), Correlation of the Mental and Physical 

 Characters in Man, 261 



Lewes (Prof. V. B.), the Future of Coal Gas, Cantor 



Lecture at Societv of Arts, 42b 

 Lewis (E. W.), Tertiary Butyl Phenol, 382 



Liddle (J. E. O), a Remarkable Meteor, 464, 487 

 Light : Light-therapeutics, P. H. Baily, 32 ; Light, its 

 Therapeutic Importance in Tuberculosis, Dr. J. Mount 

 Bleyer, 350; Redetermination of the Velocity of, and the 

 Solar Parallax. M. Perrotin, 137 ; Light for Students, 

 Edwin Edser, 340 ; a New Kind of Light, R. Blondlot, 

 527 

 Lighthouse Work of Sir James Chance, Bart., the, 386 

 Lighting : the Theory of the Gas Mantle, Maurice Solomon, 

 82 ; Zur Theorie des Auerlichtes, W. Nernst and E. Bose, 

 82 ; Theory of the Incandescent Mantle, A. H. White, 

 H. Russell and A. F. Traver, 82 ; Theorv of the Incan- 

 descent Mantle, A. H. White and A. F. Traver, 82 ; the 

 Conditions Determinative of Chemical Change and of 

 Electrical Conduction in Gases, and on the Phenomena 

 of Luminosity, Prof. II. E. Armstrong, F.R.S., 82 ; the 

 History of the Invention of Incandescent Gas Lighting, 

 Auer von Welsbach, 82 ; the Art of Illumination, Louis 

 Bell, 483 

 Lightning, Live Trout Killed bv, 304, 327 

 Lilford (Lord), on Birds, T. Digby Pigott, C.B., Supp. 

 February 5, iii ; Lord Lilford, T. Digby Pigott, C.B., 

 Supp. February 5, iii 

 Line of Sight, Cooperative Determinations of Velocities in 

 the, Mr. Newall, ;68 



