Nature, ] 
October 24, 1912 
Letulle (M.) and L. Nattan-Larrier, Epithelioma of the 
Embryonic Ectoderm, 209 
Lévy (R.), Haemolysis caused by Arachnolysin, 574 
Lewellyn (Dr. T. L.), Causes and Prevention of Miners’ 
Nystagmus, 24 
Lewis (A. L.), Megalithic Remains in Gloucestershire, 91 
Lewis (L. P.), Railway Signal Engineering (Mechanical), 
549 
Lewis (T.) and S. Chapman, Effect of Magnetism on the 
Rate of Chronometers, 312 
Leyst (Dr. E.), Diurnal Inequalities of Barometric Pressure 
in Years of Sun-spot Maximum and Minimum, 564 
Lickley (Dr. J. D.), the Nervous System, 575 
Lifchitz (S.), Range of the Particles in Brownian Motion, 
313 
Ligondés (M. du), Condensation of the Solar Nebula in 
Laplace’s Hypothesis, 25 
Lippmann (Gabriel), Biography of, by E. Lebon, 81 
Lister (Arthur, F.R.S.), Gulielma Lister, Monograph of 
the Mycetozoa, 137 
Lister (Lord), Appeal by Biographer for Letters, 12; 
Tribute from Sir H. Morris, 66; Will, 143; Bust for 
R.C.S., 562; Memorial, 536 
Livens (H. M.), Earth and her Children, 32 
Livesey (R. M.), Rolling Stock on Irish Railways, 589 
Ljungstr6m Steam Turbine, 175 
Lloyd (Prof. J. E.), Carnarvonshire, 346 
Leckyer (Sir Norman) and Lady Lockyer, Presentations to, 
by the British Science Guild, 295 
Leckyer (Dr. W. J. S.), the Total Eclipse of the Sun, 
April, 1911, at Vavau, Tonga Islands: Royal Institution 
Discourse, 151; the Solar Eclipse of April 17 as observed 
near Chavenay, France, 219; the Royal Academy and 
Nature Study, 244 
Lockyer (Dr. W. J. S.) and F. Maclean, the Solar Eclipse 
of April 17, 175 
Lohmann (H.), das Nannoplankton und die Zentrifugierung 
kleinster Wasserproben, 94 
Lones (Dr. T. E.), Aristotle’s Researches 
Science, 653 
Longstaff (Dr. G. B.), Butterfly-hunting in Many Lands, 291 
Longstaff (Jane), New Lower Carboniferous Gasteropoda, 
104 
Looss (Dr. A.), Agchylostoma duodenale (Hook-worm), 672 
Loria (Prof. Gino), Poliedri, Curve e Superficie secondo i 
metodi della Geometria Descrittiva, 655 
Lotsy (J. P.), Vortrage tiber botanische Stammesgeschichte, 
in Natural 
342 
Love (Prof. A. E. H., F.R.S.), Some Problems of Geo- 
dynamics, 471 
Lowe (Percy R.), a Naturalist on Desert Islands, 523 
Lowell (Prof. P.), Rotation of Uranus, 277, 312 
Lucas (A. H. S.), Marine Alge of Australia: 
mentary List, 391 
Lucas (Dr. Keith), the Process of Excitation in Nerve and 
Muscle: Croonian Lecture, 390 
Ludendorff (Dr.), Spectrum of Nova Geminorum No. 2, 589 
Luizet (M.), Nova Geminorum No. 2, 364 
Lukis (Sir C., C.S.I.), Malaria in India, 505 
Lunge (Prof. G.), Technical Methods of Chemical Analysis, 
Supple- 
341 
Lydekker (R., F.R.S.), the Ox and its Kindred, 523; the 
Horse and its Relatives, 627 
Lydekker (R.), J. T. Cunningham, G. A. Boulenger, and 
J. A. Thomson, Reptiles, Amphibia, Fishes, and Lower 
Chordata, 523 
Lyster (Dr. R. A.), Text-book of Hygiene for Teachers, 604 
Maas (Prof. O.) and Dr. O. Renner, Einfiihrung in die 
Biologie, 393 
McAldowie (Dr.), Prehistoric Time Measurement, 619 
MacBride (Prof. E. W., F.R.S.), Hybrid Sea-urchins, 450; 
Erratum, 511 ; 
MacCabe (Surgeon-Captain F. F.), Larvicides in Action, 496 
McCallum (Alex.), Midlothian, iii 
McCay (Major D.), Jail Dietaries of the United Provinces 
of India, 249 
McClelland (Prof. J. A.) and H. Kennedy, Large Ions in 
the Atmosphere, 521 
-Massee 
Index xl 
McClelland (Prof. J. A.) and J. J. Nolan, Electric Charge 
on Rain, 227, 521 
Macdermott (F. A.), Luminous Organs of Insects, 331 
MacDonald (G. W.), Historical Papers on Modern 
Explosives, 372 
Macdonald (Right Hon. Sir John H. A., K.C.B., F.R.S.), 
the Road: Past, Present, and Future: Royal Institution 
Discourse, 127 
MacDougall (Dr. R. S.), Bionomics of the large Larch- 
Sawfly, 52 
McDougall (Wm.), Body and Mind: a History and Defence 
of Animism, 396 
McDowall (S. A.), Laboratory Note-book of Physics, 317 
Mace (Herbert), Influence of Weather on Bees, 62 
Mach (Prof. E.), Popular-wissenschaftliche Vorlesungen, 
447 
Mach (Prof. E.), Dr. K. Habart, Grundriss der Naturlehre 
fiir Gymnasien und Realschulen, 343 
Mackenzie (G. C.), Magnetic Concentration Experiments 
with Iron Ores of Canada; a Copper Nickel Ore, 37 
Mackenzie (J. E.) and T. M. Finlay, Red Water, 113 
M’Lean (J. C.), Bush-birds of New Zealand, 439 
McLeish (J.), Mineral Resources of Canada: Report, 378 
McLintock (W. F. P.) and T. C. F. Hall, Topaz and Beryl 
from the Granite of Lundy Island, 443 
Macquaire (Paul), Two Combinations formed by Iodine and 
the Tyrosine obtained by the Trypsic Hydrolysis of 
Albuminoid Materials, 183 
Magie (Prof. W. F.), Thermal Relations of Solutions, 334 
Magnan (A.), Yield of Eggs in Ducks submitted to four 
different Modes of Feeding, 443 
Mahler (P.) and E. Goutal, Use of Oxygen under Pressure 
for Determination of Total Carbon in Ferro-alioys, 443 
Mair (D. B.), the Teaching of Mathematics, 44, 305; Junior 
Mathematics, 655 
Mallock (H. R. A., F.R.S.), Aérial Flight : Lecture before 
the Institute of Civil Engineers, 252 
Malosse (H.), Determination of Density of Camphor by 
Densities of its Solutions, 443 
Mangan (J.), Presence of Maxillule in Larve of Dytiscidz, 
260 
Manili Astronomicon Liber II], H. W. Garrod, 239 
Manley (J. J.), Observed Variations in the Temperature 
Coefficients of a Precision Balance, 233 : 
Mann (Albert R.), Beginnings in Agriculture, 163 
Mann (Prof. C. R.), Teaching of Physics for Purposes of 
General Education, 630 
Marcolongo (Prof. Robert), Prof. H. E. Timerding, Theore- 
tische Mechanik, 447 
Markétos (M.), Anhydrous Nitrates of Uranyl and of Zinc, 
Mteeres (E.) and C. G, Darwin, Transformations of the 
Active Deposit of Thorium, 285 
Marsh (C. F.), Reinforced Concrete Compression Member 
Diagram, 549 
Marshall (Dr. F. H. A.), Effects of Castration and Ovario- 
tomy upon Sheep, 24; an American Manual of Farm 
Livestock, Prof. M. W. Harper, ix 
Martin (C. H.), Protozoa from Sick Soils and Life-cycle of 
a Monad Flagellate, 442 
Martin (Dr. E. K.), Effects of Ultra-violet Rays on the 
Eye, 76 
(George), 
Lichens, 30 
Massol (G.), Radio-activity of the Mineral Waters of Usson, 
British Fungi: with a Chapter on 
625 
Masson (H.), Constituents of Essence of Labdanum, 25 
Mather (Sir W.), Speech at British Science Guild, 296 
Matignon (C.), Magnesium Nitride, 339; Atmospheric 
Destruction of Leaden Antiquities, 417 
Matthews (Dr. F. E.), Production of Synthetic Rubber, 
02 
Senet (C.) and A. Toussaint, Study of Surfaces of 
Aéroplanes with an Electric Carriage, 53 DMs 
Maw (P. Trentham), Complete Yield Tables for British 
Woodlands and the Finance of British Forestry, 319 _ 
Maxim (Sir Hiram S.), New System for Preventing 
Collisions at Sea, 542 
Maxwell (Right Hon. Sir Herbert, Bart., F.R.S.), Insect 
Parasites on Trees, 191; a Flower Sanctuary, 581, 600 
Mayer (A. G.), Ctenophora, or Comb-jellies, 327 
