Magnetism Maximum Magnetic Field, H. Deslandres and
A. Perot, 54; Static Electricity and Magnetism, Prof.
J. H. Poynting and Sir J. J. Thomson, 56; Strong
Magnetic Fields for Solar Research, MM. Deslandres
and Perot, 123; Magnetic Tests of Changes at High
Temperatures, Prof. Honda and T. Soné, 371;
Magnetism and Electricity, S. S. Richardson, 505;
Magnetic Permanence, Suggested Definition, J. R.
Ashworth, 506; Magnetometric Survey for Iron Ore,
E. Lindemann, 516

Magnetism, Terrestrial: the Carnegie, 150; Compass
Deviation (Carnegie Observations), 707-8; Magnetic
Disturbances, 1913, L. F. Richardson, 450; Lunar
Diurnal Magnetic Variation, S. Chapman, 718
Magpie Moth, Heredity in, Dr. L. Doncaster, 213
Maize Disease, P. A. v. d. Bijl, 27

Malaria and Transmission of Diseases: Huxley Lecture,
Sir Ronald Ross, 267

Malay States: Malayan Flora, J. S. Gamble, 28; Geology
and Mining of Ulu Pahang, J. B. Scrivenor, 348
Mammoth Cave Remains, W. A., L. Glauert, 36
Man Man as a Geographical Agency, Sir C. P. Lucas, 40;
Antiquity of Man in Europe, Prof. J. Geikie, 174; Man
and Anthropoids, Prof. Carveth Read, 317; Early Man
in South America, 515

Manchester Fogs, W. C. Jenkins, 719

Manganese, Use in Steel Processes of Liquid Ferro-, A.
Sahlin, 213

Manufacture of Dyestuffs, Prof. W. M. Gardner, 555, 700
Manures and Fertilisers, Prof. H. J. Wheeler, Dr. E. J.
Russell, I

Maps a Little Book on Map Projection, Mary Adams, 197;
New Map of N.E. France, Belgium, and the Rhine,
239; Bacon's Wall Map of Scotland, 252; Bartholo-
mew's Orographical Map of Central Europe, 391; Bar-
tholomew's War Map of Europe and the Mediterranean,
391; Oxford Outline Maps, Prof. Herbertson, 641
Marine Invertebrates, 27; Marine Engineering (Text Book),
Eng. -Capt. A. E. Tompkins, 58; Marine Biology, 181;
Brown's Marine Electrician, A. E. and A. H. Lark-
man, Prof. D. Robertson, 390

Mars Water Vapour in Atmosphere of, Dr. F. W. Very,
518

Marten, Pine and Beach, R. I. Pocock, 356
Materials of Machines, A. W. Smith, 669
Mathematics: Natural Sines to every Second, E. Gifford, 4:
Geometry, Prof. Ford and C. Ammerman, 31; School
Course in Geometry, W. J. Dobbs, 31; Analytic
Geometry, Prof. A. Ziwet and L. A. Hopkins, 31;
Slide-rules, Co. Dunlop and C. S. Jackson, 31;
Numerical Trigonometry, W. G. Borchardt and Rev.
A. D. Perrott, 31; Graphic Statics, J. T. Wight, 31;
Models, C. Elliott, 31; Exercises, D. B. Mair, 31;
School Statics, G. W. Brewster and C. J. L. Wagstaff,
31; Proceedings of London Mathematical Society, 31;
Limiting Ratio of Arc to Chord, Prof. E. Kasner, 121;
Mathematical Teaching in Australia, Prof. Carslaw,
163; Memorabilia Mathematica, or the Philomath's
Quotation Book, Prof. R. E. Moritz, 144: American
Mathematical Society: Colloquium Lectures, L. E.
Dickson; W. F. Osgood, 166; Elementary Theory of
Equations, Prof. L. E. Dickson, 166; les Coordonnés in-
trinsèques, Dr. L. Braude, 226; the Cross x as a Symbol
of Multiplication, Prof. F. Cajori, 363; Theory of
Relativity, Dr. L. Silberstein, 387; Arithmetic, H.
Freeman, 389; School Algebra, A. G. Cracknell, 389;
Statics, R. C. Fawdry, 389; First School Calculus,
R. W. Bayliss, 389; Differential Equations, Prof. A. R.
Forsyth, 389; Linear Algebras, Prof. L. E. Dickson,
389: Elements of Non-Euclidean Geometry. Dr.

April 15, 1915

Geometry, A. W. H. Thompson, 389; Vector Analysis
in Physics, Prof. F. Slate, 392; Elements of Algebra,
G. St. L. Carson and Prof. D. E. Smith, 417; Napier
and Logarithms, Prof. E. W. Hobson, 417; Elementary
Calculus for Engineering Students, J. Graham, 417;
Practical Mathematics, H. W. Marsh, 417; Arithmetic
Independence of European Culture, Prof. Bubnow, Prof.
Lezius, 417; Early Use of Symbol, 459; Calculating
Devices, E. M. Horsburgh, Prof. Boys, 471; Theory of
Numbers, Prof. R. D. Carmichael, 473; Theory of
Functions of Two Complex Variables, Prof. A. R.
Forsyth, 473; the Colon as a Symbol for Ratio and
Division, Prof. F. Cajori, 477; Neue Grundlagen, J.
König, 530; Appeal to Producing Mathematicians, G.
Paswell, 541; Mathematics in Artillery Science, Sir G.
Greenhill, 573; History of Japanese Mathematics, D. E.
Smith and Yoshio Mikami, 612; History of Notation
in Trigonometry, Prof. F. Cajori, 642; Concrete
Arithmetic, C. Pendlebury and H. Leather, 667; First
Course Mathematics for Technical Students, P. J.
Haler and A. H. Stuart, 667; Course of Geometry,
A. H. Bell, 667; Dynamics, Dr. W. H. Besant, A. S.
Ramsey, 667; Examples and Papers in Algebra, W. J.
Walker, 667; Elementary Mathematical Analysis, Prof.
C. S. Slichter, 667; Stability and Equilibrium of
Floating Bodies, B. C. Laws, 667; Shortest Curve
dividing given Area in given Ratio, Dr. N. Wiener, 707
Maximum of o Ceti, 459

Mechanics: Gearing, A. E. Ingham, 87; Matriculation
Mechanics, Dr. Briggs and Prof. Bryan, 88; Critical
Loads for Long Struts, L. Bairstow and E. W.
Stedman, 151; Manual of Mechanical Drawing, J. H.
Dales, 307; Dialogues, Galileo Galilei, H. Crew and
A. De Salvio, 443; Names, D. Mair, 617
Mechanism, Life, and Personality, Dr. J. S. Haldane, 193;
the Mechanistic Principle and the Non-mechanical, P.
Carus, A. E. Crawley, 360

Medals, Royal Society's, 368

:

Medicine Text-book of Medical Entomology, Drs. Patton
and Cragg, F. B. Browne, 84; Practical Handbook of
Tropical Diseases, Dr. H. C. Lambart, 115; Protection
against Typhoid, S. Paget, 146; the Vaccination
Question, Dr. C. K. Millard, 170: Cultivation of
Medicinal Plants in England, W. A. Whatmough, 175;
Treatment of Wounds in Battle, Insp.-Gen. Delorme,
219; Care of the Wounded, Insp.-Gen. Delorme, S.
Paget, 257; Malaria and Transmission of Diseases, Sir
R. Ross, 267; Quain's Anatomy, J. Symington, 390;
Ileo-cæcal Valve, Dr. A. H. Rutherford, Prof. Hewlett,
418; I.K. Therapy and Tuberculosis, Dr. W. E. M.
Armstrong, Prof. Hewlett, 418; Clinical Examination
of Blood, Prof. A. Pappenheim, R. Donaldson, Prof.
Hewlett, 418: Health of the Expeditionary Force, S.
Paget, 425: Charing Cross Hospital, and other Hos-
pitals, Dr. W. Hunter, Prof. R. T. Hewlett, 474; Lead
Poisoning, Sir T. Oliver, 499: Death of Lieut.-Col.
D. D. Cunningham, I.M.S., F.R.S., 536; New Issue of
the British Pharmacopoeia, 592; Synthetic Drugs in
Great Britain, 593; Treatment of Wounds by Solutions
of Nitrate of Silver, J. Danysz, 609; Verruga Peruana,
706; Extension of London School of Medicine for
Women, 717

Mediterranean Meteorological Charts, Prof. L. Marini, 710
Melbourne, British Association at, 437

Memorials to H. F. Julian, Hester Julian, 114
Mendelism Mendelian Factors in Fowls, Multiple Coupling
of, Prof. J. Wilson, 525; Mendelism in the Seventeenth
Century, C. Dobell, 588

Menhir under Dune in Vendée, 385
Mercury, Vacuum Guard Ring applied to determine Thermal
Conductivity of, H. R. Nettleton, 554
Mercury (Planet), Transit of, 257
Mesectoderm in Petromyzon, S. Hatta, 635
Metallography, Prof. D. Mazzotto, 86
Metallurgy Rapid Analysis of Special Steels, Alloys, and
Graphite, C. M. Johnson, L. Aitchison, 50; Principles
of Metallurgy, A. H. Hiorns, W. A. C. Newman, 87:
Widmanstätten Structure, Capt. Belaiew, 107; Steel
Analysis, J. A. Pickard, 113; Synthetic Use of Metals in
Organic Analysis. A. J. Hale, 113: Intermetallic Com-

April 15, 1915.

Biringuccio, A. Mieli, 113; Memorials of H. F. Julian,
Hester Julian, 114; Institute of Metals, 153; Annealing,
J. Phelps; Messrs. Bengough and Hanson; Mr. Hudson,
153; Corrosion, A. Phillip, 153; Zinc-copper Alloys in
часио, Messrs. Thorneycroft and Turner, 153;
Metallurgy of Non-Ferrous Metals, Prof. W. Gowland,
196; Metallurgy at the Royal Mint, 322; Hardening of
Metals Discussion at the Faraday Society, Prof.
Carpenter, 374; Metals and War, 647

Metaphysics: the Mechanistic Principle, P. Carus, A. E.
Crawley, 360; Transformisme et Créationisme, Prof.
de Lanessan, A. E. Crawley, 360

Meteorites: Three Indian, 98; Fall of Meteorite in Lanca-
shire, W. F. Denning, 258; African Meteorites, Dr.
G. T. Prior, 329; Appley Bridge Meteorite, W. C.
Jenkins, 505, 599; Ensisheim, 543

Meteorology: Meteorological Committee's Report, 6; British
Rainfall, 1913, R. C. Mossman and C. Salter, 33; the
Red Flash, C. T. Whitmell, 61;
Green Flash,

Prof. W. M. F .Petrie, 88; Prof. A. W. Porter, 672;
Criterion for Periodicities, Dr. G. T. Walker, 96;
Korea, 121; Easter Island, Dr. Knoche, 209; Effects of
Volcanic Action on Hurricanes, etc., Dr. H. J.
Johnston-Lavis, 225; Accumulated Rainfall at Excessive
Rates, Prof. A. McAdie, 226; Climate as Tested by
Fossil Plants, Prof. A. C. Seward, 242; Weather Chart
Exercises, Miss L. M. Odell, 200; a World Bureau,
371; Effect of the War on Daily Weather Maps and
Upper Air Research, 402; Forests and Floods, Dr. J.
Aitken, 420; Lunar Halo, Thos. Todd, 421; Meteorology
and the Scarborough Raid, 455-6; Distribution of
Relative Humidity in England, W. F. Stacey, 497;
Meteorological Office: Geophysical Memoirs: Gradient
and Observed Wind, J. Fairgrieve; Effect of Labrador
Current on Temperature, Comm. M. W. C. Hepworth,
521; Curious Forms of Ice, G. M. Davies, 563;
Meteorological Conference at Edinburgh, 567; Atmo-
spheric Electricity at Kew, Dr. Chree, 607; Remarkable
Dry Fog in East Indies, C. Braak, 699; Meteoro-
logical Charts for the Mediterranean, Prof. L. Marini,
710; Upper Atmosphere at Aberdeen, A. E. M. Geddes,
718 Influence of Weather on Nitric Acid in Rain,
V. G. Anderson, 718
Meteors Perseids, 7; Brilliant Meteor, W. F. Denning,
320 Geminid Shower, 460; Meteors of December 29
and 31, 517: Fireballs in January, W. F. Denning,
543; Meteor Fall of Ensisheim (1492), 543; Fireball of
December 31, 1914, Frances M. Harvey, 563; Sunspot
Swarm of Meteors, Prof. R. A. Sampson, 599
Method. Science and. H. Poincaré, F. Maitland; G. B.
Halsted; Dr. K. Lichtenecker, 501

Metropolitan Water Supply, Prof. Hewlett, 99
Meudon Eclipse Expedition, 373

Mice, American Harvest, A. H. Howell, 261

Michael Sars Voyage: Zoology, Dr. E. J. Allen, 339
Micromillimetres and Micromicrons, Dr. J. W. Evans, 34
Microscope: Photomicrography, H. L. Hind and W. B.
Randles. 33; Microscopy of Drinking Water, Prof.
G. C. Whipple, 33; Evolution of the Petrographical
Microscope, 314

Milk, Board's Advice to make Cheese from, 35
Miller, Science and the, J. S. Remington, 171
Mimicry in S. African Flora, Dr. R. Marloth, 516
Minerals Practical Instructions in Search for, and Deter-
mination of, Useful Minerals, A. McLeod, 83; Silica
and Silicates, H. Le Chatelier, 112; Deposits of the
Useful Minerals and Rocks, Profs. Beyschlag, Vogt
and Krusch, S. J. Truscott, 583
Mining Tasmania, 64; (1) Ulu Pahang in Malay States;
(2) Kinta, Perak, J. B. Scrivenor, 348; Tunneling, 476;
Assaying, E. A. Wraight, 612; Heat developed in
Crushing Ore. J. Cook, 636; Gold in Ashanti, J. M.
Campbell, 718 E. Witwatersrand, W. G. Holford,
718 Tin in Malaya, W. B. Middleton, 719; Mining
Timber, see Pitprops

Mint, Metallurgy at the, 322

Mirrors of Helwan Observatory, 38

Moa, H. Hill, 265

Models to illustrate Mathematics, C. Elliott, 31

Molecular Transposition in the Cyclohexane Series, M.
Tiffenau, 469; M. Le Brazidec, 469

Monkeys, Howling, L. A. Fuertes, 515
Monoplanes, Graphical Determination of Stresses in Main
Spars of, C. H. Lander, 469

Monsoon, Dr. Walker, 64

Moon Prof. W. H. Pickering, 543; Diurnal Magnetic
Variation, S. Chapman, 718

Moraines, Terminal, Ò. Ampferer, 494
Morocco the Piquant, G. E. Holt, 3

Morphology of a Tadpole, T. F. Dreyer, 220; of Ostrich
Wireworm, R. Issel, 220; Morphology of Isoëtes, Prof.
W. H. Lang, 469, 663

Mosses of S. Africa, H. A. Wager, 247; Mosses and
Hepatica of West Falkland Islands, Mrs. Vallentin,
C. H. Wright, 384

Moths Butterflies and Moths, W. F. Kirby, 141; Common
British Moths, A. M. Stewart, 141

Mughals, Gardens of the, C. M. V. Stuart, 140
Multiplication, Cross x as Symbol for, Prof. F. Cajori, 363
Museums, 149; Natural History Museums, Dr. G. Gilson,
403; Cartesian Coordinates for Locating Objects, A.
Pollard, 541

Mutation, Recent Aspects: Address, Dr. R. R. Gates, 296

Names in Mechanics, D. Mair, 617
Napier and Logarithms, Prof. Hobson, 417; Napier Ter-
centenary: Calculating Devices, 471
Naples, Royal Society of, 124
Narcissus Flies, 40

National Physical Laboratory, Collected Researches, 238;
Finances, 368

Natural History and Nature Study: Field-studies of Rarer
British Birds, 1; the English Year: Spring Summer,
W. B. Thomas and A. K. Collet, 57, 305; the Shetland
Pony, Ch. and Anne Douglas, 111; Pheasants, Capt.
A. Maxwell, 111; Our Domestic Birds, J. H. Robinson,
111; East Africa and Uganda Natural History Society,
121; Courtship of Animals, W. P. Pycraft, 140;
Hunting the Elephant in Africa, Capt. C. H. Stigand,
140; Gardens of the Great Mughals, C. M. V. Stuart,
140; Ce que j'ai vu chez les bêtes, P. Noël, 140;
Cassell's Natural History, F. M. Duncan, 141; Animals.
of the Past, F. A. Lucas, 141; Butterflies and Moths in
Romance and Reality, W. F. Kirby, 141; Common
British Moths, A. M. Stewart, 141; Natural History of
the Farm, Prof. J. G. Needham, 222; Elementary
Principles of General Biology, Prof. J. F. Abbott, 227;
Pursuit of Natural Knowledge, Prof. J. R. Ainsworth-
Davis, 227; Animal Life by the Sea-shore, Drs. G. A.
and C. L. Boulenger, 227; the Naturalist at the Sea-
shore, R. Elmhirst, 227; Bird Studies, W. P. Westell,
227 Common British Beetles, Rev. C. A. Hall, 227;
Odd Hours with Nature, A. Urquhart, 227; die Natur
als Künstlerin, E. Haeckel, Dr. Breitenbach, 227;
Natural History of Bournemouth, Bournemouth
Natural Science Society, 227; Handbuch der Technik,
Prof. B. Schmid, 227; Wild Life in the Woods and
Streams, C. A. Palmer, 305; Methodik und Technik,
des Unterrichts, Prof. W. Schoenichen, A. E. Crawley,
361; Natural History Museum in Theory and Practice,.
G. Gilson, 403: Natural History of an American Desert
Basin, 434; Transactions of the Paisley Naturalists'
Society, 504; Life of Sir John Lubbock, Lord
Avebury, H. G. Hutchinson, 528; Natural History
Museum of Belgium, Royal, 569; Romance of the
Beaver, A. R. Dugmore, 590; Bird Biographies, O. G..
Pike, 590; Concerning Animals, etc., E. H. Aitken,
590

Natural Selection, Controlled, J. C. Mottram, 168
Navigation, Lieut. H. Raper, 144; Waterways, A. B..
Hepburn, 697

Neolithic Man and Paisley Plant Remains, Age, 318
Nerves, Dr. D. F. Harris, 669

New Mexico, Ethnology of Tewa Indians, J. Henderson, 6
New South Wales, Introduction to Geology of, C. A.
Süssmilch, 640

New Zealand: Reserves, 208; Fauna, 370
Newton and the Spectrum, C. T. Whitmell, 308

Nickel, Spark Spectrum under Pressure, E. G. Bilham, 346
Nigeria, Ibo-speaking Peoples of, N. W. Thomas, Sir H. H..
Johnston, 165

Nitrogen Fixation of Atmospheric Nitrogen, 38; Dr. J.
Knox, 447; Spectroscopic Investigations of Active
Nitrogen, W. Jevons, 383

Norfolk Flora, W. A. Nicholson, 57; Early Trackway,
W. G. Clarke and H. D. Hewitt, 572

North American Frogs and Toads, A. H. Wright, 349
Northampton Polytechnic Institute, 110

Nova Scotia, Geological Map, 95

Old Masters, Pigments of, Prof. A. P. Laurie, Prof. W. M.
Gardner, 276

Optics Type-reading Optophone, E. E. F. d'Albe, 4;
Optical Activity of Compounds, A. Werner, 27; Optical
Theories, Prof. Mallik, 65; Glass for Optical Purposes,
S. D. Chalmers, 117; Optical Glass Imports and Ger-
man Exports, 523; Tests of a 24-inch Objective, 240;
Testing Mirrors and Objectives, G. Bigourdan, 599;
Optical Projectors, Range of, A. Blondel, 608; Measur-
ing Focus of a Photographic Lens, T. Smith, 662;
See also Light

Optophone, Type-Reading, E. E. Fournier d'Albe, 4
Orbits of a Charged Particle, Prof. W. M. Hicks, 718
Ore, Heat developed in Crushing, J. Cook, 636
Organisation of Science, Dr. R. S. Woodward, Sir R. Ross,
366

Origin of Species, N. B. Pierce, 34

Ornithological Notes, 264, 653

Osmotic Pressures in Plants, Prof. H. H. Dixon and

W. R. G. Atkins, 525, 691

Ostrich Wire-worm, R. Issel, 220

Oxford Peel Museum, 343; Oxford Outline Maps, Prof.
A. J. Herbertson, 641

Oxidases in Plants, W. R. G. Atkins, 384

Paisley Naturalists' Society, Transactions, 504
Palæobotany: Catalogue of Mesozoic Plants in the British
Museum Cretaceous Flora, Dr. Marie C. Stopes, Prof.
A. C. Seward, 55; Lepidostrobus kentuckiensis, Dr.
D. H. Scott, 690

Palæolithic Implements near Cape Town, L. Péringuey, 27;
Palæolithic Age in Egypt, Prof. Petrie, 497
Palæontology: Australasian Fossils, F. Chapman, 83; New
Zealand, 96; Animals of the Past, F. A. Lucas, 141;
Foraminifera of Kerimba Archipelago, E. Heron-Allen
and A. Earland, 273; New Ciripede, T. H. Withers,
273 Triassic Cephalopods and Accelerated Develop-
ment, Prof. J. Perrin Smith, 318; Palæontology, Profs.
Abel and Jongmans, 360; Variation in a Carboniferous
Brachiopod, H. Day, 384; New Reptile from the Cape
Permian, D. M. S. Watson, 412; New Canadian Dino-
saurs, B. Brown, 492; British Columbia and Alberta,
468; Restoration of an Ichthyosaur, 599

Paper from Hedychium Plants, 570
Parallaxes of Helium Stars, Prof. Kapteyn, 66; Magnitude
Error in Parallax, Prof. Kapteyn, 709; Stellar Paral-
laxes, O. R. Walkey, 320

Parasites Flagellate Protozoa in the "Blind-fly" on Robben

Island, H. Bayon, 247; Insect Flagellates in Verte-
brates, Dr. Fantham and Dr. Annie Porter, 441
Paris Paris-Nice Longitude Difference, 239; Paris Observa-
tory, 320; Paris Academy of Sciences: Prize Awards
1914, 518; Presidential Address, P. Appell, 572; Prizes
proposed for 1916, 629

Perak, Mining at Kinta, J. B. Scrivenor, 348

Permeability, Production of High, by Iron, Prof. E. Wilson,
383

Peru, Resources, 179

Petrographical Microscope, 314

Petroliferous Mounds of Texas and Louisiana, J. Chautaud,

609

Petrological Notes, N.S.W., W. N. Benson, 301
Pharmacy : British Pharmacopoeia, new issue, 592;
Synthetic Drugs in Great Britain, Prof. Thorpe, 593
Pheasants and Covert Shooting, Capt. A. Maxwell, 111;
Pheasants and Naval Guns, 622; Pheasants and Gun-
firing, Rev. H. C. Smith, 643
Phenacetine, 594

:

Philadelphia Meeting of the American Association, 563
Philippines Types, R. B. Bean, 6; Pottery Making, E. B.
Christie, 207; Irrigation in Ilocos Norte, E. B. Christie,
237; Rainfall, Rev. M. S. Mazo, 348; Weather, 540
Philosophy: Greek Philosophy, J. Burnet, Capt. J. H. Hard-
castle, 223 a Theory of Civilisation, S. O. G. Douglas,
278; Our Knowledge of the External World, B. Russel
278; Philosophy of Biology, Dr. J. Johnstone, 303;
Henri Bergson, A. Ruhe and N. M. Paul, 474; Ideal-
istic Reaction, Prof. Aliotta, A. McCaskill, 474
Philothion in Crystalline Lens, J. de Rey-Pailhade, 581
Photo-Chemistry, Dr. S. E. Sheppard, 277
Photo-Electricity, Prof. A. Ll. Hughes, 277
Photography: Effect of Humidity on Photographic Plates,
Dr. C. E. K. Mees, 239; Camera in Australia, Prof. T.
Johnson, 450; Colour Sensitised Plates, C. Jones,
676, 701; British Journal Photographic Almanac, 1915,
697
Photomicrography, Handbook, H. Ll. Hind and W. B.
Randles, 33

Phototropy, J. R. Mourelo, 663

Phylogeny of Plants, Prof. v. Wettstein; of Animals, Profs.
Heider and Boas, 360

Physical Society: Presidential Address, Sir J. J. Thomson,
293; Streaks on Lath and Plaster Walls, T. Cope, 562;
Dr. Aitken, R. M. Deeley, 615

Physics Text-book of Physics: Electricity and Magnetism.
Prof. J. H. Poynting and Sir J. J. Thomson, 56;
Fizeau's Experiment and the Principle of Relativity, E.
Cunningham, 197, 226, 281; Sir J. Larmor, 281;
X-Ray Spectrometer, 199; Ionisation, Sir J. J. Thom-
son, 293; Gyroscopic Motion, H. Crabtree, Prof. Boys,
332; Physics and Astronomy at the British Associa-
tion, 349; Constitution of the Atom: Address, Sir
W. Crookes, 367; Theory of Relativity, Dr. L. Silber-
stein, 387; a Central Thought of Vector Analysis,
Prof. F. Slate, 392; Physics of the Household, Prof.
C. J. Lynde, 416; Nomenclature and Symbols, 541;
Electrical Notation, Sir O. Lodge, 588; Lord Kelvin's
Work on Gyrostatics, Prof. A. Gray, 711; Orbits of a
Charged Particle, Prof. W. M. Hicks, 718
Physiography, College, Prof. R. S. Tarr, Prof. L. Martin,
Prof. Cole, 666

Physiology: British Association Address: Value of Research
in Development of National Health, Prof. Ben. Moore,
74: Death of Dr. W. H. Gaskell, Prof. Langley, 93;
Physiology at the British Association, 322; Respiratory
Function of the Blood, J. Barcroft, 331: Hypnotism
and Katalepsy, E. Mangold, 338; Philothion in
Crystalline Lens, J. de R. Pailhade, 581; Chloralose,.
M. Tiffeneau, 581; First Book, of Physiology and
Hygiene, Gertrude D. Cathcart, 615: Physiology of
Reproduction in Crustacea, G. Smith, 635; Nerves,
Dr. D. F. Harris, 669; Excitatory Process in Dog's
Heart, T. Lewis and M. A. Rothschild, 690; Variation
in Growth of Mammalian Tissue, A. J. Walton, 690

April 15, 1915.

Piltdown: Mastodon Molar Tooth, 5; Bone Tool, C.
Dawson and Dr. A. S. Woodward, 440

Pine, Pitch-moth, 39-40

Pirotechnia, V. Biringuccio, 113

Pitchstones of Mull, E. Anderson, 690

Pitprops, 5, 65, 120, 393

Pituitary Body, Dr. W. Stendell, Dr. Oppel, 252
Pitwood, Supply, 393

Plague and Pestilence in Literature and Art, Dr. R. Craw-
ford, E. H. Martin, 480; Plague and Insects, 706
Plankton: Artificial Culture of Marine Plankton Diatoms,
Dr. E. J. Allen, 273; Plankton, 429
Plants: Formation of Hydrogen Cyanide, Prof. A. Jorissen,
7: Plant Life at the Snow Line, in the Alps, J. Braun,
39; Medicinal Plants in England, W. A. Whatmough,
175; Plants and their Uses, F. S. Sargent, 279; Classi-
fication and Phylogeny, Prof. v. Wettstein, 360;
Bacterial Diseases, Dr. E. F. Smith, 404; Transpiration
and Ascent of Sap, Dr. H. H. Dixon, 558
Plates, Mode of Measuring Thickness of Thin, C. T. R.
Wilson, 719

Poincaré on Method, Translations of, F. Maitland; G. B.

Halsted; F. and L. Lindemann, 501; Dr. K. Lichte-
necker, 501

Poisoned Arrows of Abors and Mishmis, Sir T. Fraser, 608
Polarimetry, 544; Polarimeter Tubes, Cement for, Dr. T. S.

Patterson, 700

Polychæta from N. E. Pacific, F. A. Potts, 412
Pond Problems, E. E. Unwin, 305

Potassium Salts and Agriculture, 287

Potatoes, Spraying, Sp. Pickering, 672

Potential Energy of a Bobbin, A. Blondel, 441

Poultry Our Domestic Birds, J. H. Robinson, 111
Power, Fuels for, J. S. S. Brame, 195
Prehistoric Society of East Anglia, 572

Preservation of Food for Armies, M. Balland, 357
Prices of Chemicals, 670, 700

Principia, E. Swedenborg, J. R. Rendell and I. Tansley,
696

Prizes Offered by Iron and Steel Institute, 260; Reuben
Harvey Memorial for Animal Physiology or Pathology,
397; Prize Awards, Paris Academy, 518

Protozoa and Soil Bacteria, T. Goodey, 635
Psychology: Life and Human Nature, Sir B. Fuller, 168;

Outlines of the History of Psychology, Prof. M.
Dessoir, D. Fisher, 696

Psychology, Animal, Introduction to, Dr. G. Kafka, 168
Psylliidæ, American, D. L. Crawford, 39
Public Health, Prof. Hewlett, 276

Pumping by Compressed Air, E. M. Ivens, 587
Pygmies, New Guinea, Prof. O. Schlaginhaufen, 36;
Pygmy Implements from West Australia, J. P. Johnson,
120; Pygmy Stone Implements, C. Hartley, 705
Pyroxenes, Monoclinic, Optical Properties of, H. Colling-
ridge, 329

Radio-telegraphy, see Wireless

Radium Emanation, action on Detonating Gas, O. Scheuer,
27

Rail Steel, Finishing Temperatures, 436
Railway Signals, Audible, etc., 489

Rain British Rainfall, R. C. Mossman and C. Salter, 33;
Rainfall and Yield, D. H. Thomson, 65; California,
Prof. A. G. McAdie, 184; Norway, 184; Nile Basin,
J. I. Craig, 184; Accumulated Rainfall at Excessive
Rates, Prof. A. McAdie, 226; Distribution in N.E.
United States, B. C. Wallis, 345; Rainfall in the
Philippines, Rev. M. S. Mazo, S.J., 348; Rainfall Maps
of British Isles, Isomeric, Dr. H. R. Mill and C.
Salter, 356; Influence of Weather on Amount of Nitric
Acid in Rain, V. G. Anderson, 718

Raised Beach in Jersey, A. Dunlop, 383

Ratio, Colon a Symbol for, Prof. F. Cajori, 477
Red Flash, C. T. Whitmell, 61

Refractive Index by the Petrographic Microscope, F .E.
Wright, 150

Refrigeration Research Committee, 238

:

Regeneration of Legs of Decapods, J. H. Paul, 608
Relativity: Fizeau's Exjeriment and the Principle of Re-
lativity, E. Cunningham, 197, 226, 281; Sir J. Larmor,
281; Theory of Relativity, Dr. L. Silberstein, 387;
Sketch of a Generalised Theory, Prof. Einstein, 401
Religion Science and Religion, by Seven Men of Science,
532; Concept of Sin, Dr. Tennant, 696; God and the
Universe, Prof. de Tunzelmann, 696; Principia, E.
Swedenborg, J. R. Rendell and I. Tansley, 696
Renunciation of Honorary Degrees, Dr. J. P. Lotsy, 88, 94
Reptiles, Osteology of Permian, S. W. Williston, 36
Research Defence Society, 148; Penalty on Research, Sir
Wm. Ramsay, 642; Prof. S. J. Hickson, 670; Hon.
H. Onslow, A. T. Watson, 699

Resins of Hops, O. Winge, 431

Resistance of Road Vehicles to Traction, Prof. Civita, 150
Resistivities, H. L. Curtis, 345

Respiratory Function of the Blood, J. Barcroft. 331; Re-
spiration in Insects, G. L. Purser, 441

REVIEWS AND OUR BOOKSHELF.

Agriculture and Fisheries:

Bailey (L. H.), Standard Cyclopedia of Horticulture, 279
Bean (W. J.), Trees and Shrubs Hardy in the British
Isles, W. Dallimore, 529

Board of Agriculture and Fisheries: Annual Report on
Sea Fisheries, 1913, 67

Cheyney (E. G.) and Prof. J. P. Wentling, the Farm
Woodlot a Handbook of Forestry for the Farmer and
Student, 88

Dutt (H. L.), S. K. Busu, Crop Pest Handbook for Behar
and Orissa, 446

French (A.), the Beginner's Garden Book: Text-book for
the Upper Grammar Grades, 362

Hall (A. D.), a Pilgrimage of British Farming, 1910-12,
Dr. E. J. Russell, 1

Hunt (Prof. T. F.) and Prof. C. W. Burkett, Soils and
Crops, Dr. E. C. Russell, I

Orwin (C. S.), Farm Accounts, 505

Parkinson (S. T.) and G. Smith, Impurities of Agri-
cultural Seed, 171

Russell (E. S.), Report on Market Measurements:
English Haddock Fishery, 67

Slingerland (late M. V.) and C. R. Crosby, Manual of
Fruit Insects, 446

Stebbing (E. P.), Indian Forest Insects of Economic
Importance: Coleoptera, 446

Wheeler (Prof. H. J.), Manures and Fertilisers, Dr. E. J.
Russell, I

Willis (Dr. J. C.), Agriculture in the Tropics, 334
Anthropology:

Balch (H. E.). Wookey Hole: Its Caves and Cave
Dwellers, Prof. A. Keith, 395

Bates (Oric), the Eastern Libyans, 224
British School at Athens, Annual, 419
Galloway (Dr. L.), Historical Sketches of Old Charing, 87
Geikie (Prof. J.). Antiquity of Man in Europe: Munro
Lectures, 1913, 174

Reviews and Our Bookshelf (continued)

Handcock (P. S. P.), the Latest Light on Bible Lands, 59
Mabie (H. W.), Japan To-day and To-morrow, Prof. J.
Perry, 639

Petrie (Prof. W. M. Flinders), Amulets, Illustrated by
the Egyptian Collection in University College, London,
531

Rivers (Dr. W. H. R.), Kinship and Social Organisa-
tion, 88

Sikes (E. E.), the Anthropology of the Greeks, A. E.
Crawley, 360

Spencer (Prof. Baldwin), Native Tribes of the Northern
Territory of Australia, Sidney H. Ray, 312
Thomas (N. W.), Anthropological Report on Ibo-speaking
Peoples of Nigeria: Pt. iv., Law and Custom of the
Asaba District; Pt. v., Addenda to Ibo Dictionary;
Pt. vi., Proverbs, Stories, Tones in Ibo, Sir H. H.
Johnston, 165

Biology:

Abbott (Prof. J. F.), Elementary Principles of General
Biology, 227

Ainsworth-Davis (Prof. J. R.), Pursuit of Natural Know-
ledge, 227

Aitken (E. H.), Concerning Animals, 590

Bailey (L. H.), Standard Cyclopedia of Horticulture,
Vol. i., A. B., 279

Barcroft (J.), Respiratory Function of the Blood, 331
Behar and Orissa, Crop Pest Handbook for, 446

Bean (W. J.), Trees and Shrubs Hardy in the British
Isles, W. Dallimore, 529

Bergen (J. Y.) and Prof. O. W. Caldwell, Introduction
to Botany, 57

Bond (J. Walpole), Field-studies of some Rarer British
Birds, 1

Boulenger (Drs. G. A. and C. L.), Animal Life by the
Sea-shore, 227

Bowles (E. A.), My Garden in Spring, 57; My Garden
in Summer, 279

Braun (Josias), Plant-life at the Snow Line in the S. E.
Alps Nouveaux Mémoires de la Société Helvétique des
Sciences Naturelles, vol. xviii., 39

Calkins (Prof. G. N.), Biology, 504

Chapman (F.), Australasian Fossils: Students' Manual, 83
Corke (H. E.), G. C. Nuttall, Wild Flowers as They
Grow, 57

Cory (Reg.), the Horticultural Record, 225
Cresson (Prof. A.), l'Espèce et son Serviteur, 168
Crowfoot (Grace M.), Some Desert Flowers collected near
Cairo, 279

Dekker (Dr. J.), die Gerbstoffe: Botanisch-chemische
Monographie der Tannide, 499

Dixon (Dr. H. H.), Transpiration and the Ascent of Sap
in Plants, 558

Douglas (Charles and Anne), the Shetland Pony: with
Appendix by Prof. J. C. Ewart, 111

Driesch (Prof. H.), C. K. Ogden, History and Theory of
Vitalism, 303

Dugmore (A. R.), Romance of the Beaver, 590
Duncan (F. M.), Cassell's Natural History, 141
Elmhirst (R.), the Naturalist at the Sea-shore, 227
Fabre (J. Henri), A. T. de Mattos, Life of the Fly:
with some Chapters of Autobiography, 85 (see also
Legros)

Fuller (Sir Bampfylde), Life and Human Nature, 168
Furneaux (W. S.), First Course in Plant and Animal
Biology, 305

Gilson (G.), le Musée d'Histoire Naturelle Moderne-sa
mission, son organisation, ses droits, 403
Goddard (E. M.), a First School Botany, 305
Gruner (Dr. O. C.), Biology of the Blood-cells, 30
Haeckel (Ernst), die Natur als Künstlerin nebst Dr. W.
Breitenbach, Formenschatz der Schöpfung, 227
Haldane (Dr. J. S.), Mechanism, Life, and Personality,
193

Hall (Rev. C. A.), Common British Beetles, 227
Hesse (Prof. Dr. F.) and Prof. Dr. F. Doflein, Tierbau
und Tierleben in ihrem Zusammenhang betrachtet, Prof.
J. Arthur Thomson, 611

Hertwig (R.) und R. v. Wettstein, Editors, Abstammungs-
lehre Systematik: Paläontologie: Biogeographie, 360

Kafka (G.), Einführung in die Tierpsychologie, 168
Kirby (W. F.), Butterflies and Moths in Romance and
Reality, 141

Kirkman (F. B.), British Bird Book, 478

Lamarck (J. B.), H. Elliot, Zoological Philosophy: an
Exposition with regard to the Natural History of
Animals, 639

Legros (Dr. C. V.), Fabre, Poet of Science, 85

Lesparre (A. de G.), les Inconnus de la Biologie
déterministe, 168

Levick (Dr. G. M.), Antarctic Penguins, 145_

Linnæus, E. Lönnberg, Föreläsningar öfver Djurriket, 34
Loeb (J.), W. O. R. King, Artificial Parthenogenesis and
Fertilisation, 30

Lucas (F. A.), Animals of the Past, 141

Lydekker (R.) and G. Blaine, Catalogue of Ungulate
Mammals in the British Museum (Natural History),
vol. iii., 363

Macmunn (the late Dr. C. A.), Spectrum Analysis applied
to Biology and Medicine, 533

Mangold (E.), Hypnose und Katalepsie bei Tieren im
Vergleich zur menschlichen Hypnose, 338

Martin (Prof. E. W.), Birds of the Latin Poets, Rev.
T. F. Royds, 693

Maxwell (Capt. A.), Pheasants and Covert Shooting, III
Michael Sars North Atlantic Deep-sea Expedition under
Sir J. Murray and Dr. J. Hjort: Report on the
Scientific Results, vol. iii., part 1, Zoology, Dr. E. J.
Allen, 339

Miyoshi (Prof. M.), Atlas of Japanese Vegetation, 669
Mottram (J. C.), Controlled Natural Selection and Value
Marking, 168

Needham (Prof. J. G.), Natural History of the Farm, 222
Nicholson (W. A.), Flora of Norfolk, 57

Noël (Paul), Ce que j'ai vu chez les bêtes, 140
Oppel (Prof. A., Editor), Dr. V. Franz, Dr. W. Stendell,
Lehrbuch der vergleichenden Mikroskopischen Anatomie
der Wirbeltiere: vii., Sehorgan; viii., die Hypophysis
Cerebri, 252

Paisley Naturalists' Society, Transactions, 504
Palmer (C. A.), Wild Life in the Woods and Streams, 305
Patton (Dr. W. S.) and Dr. F. W. Cragg, Text-book of
Medical Entomology, F. B. Browne, 84

Perrin (Mrs. Henry), Prof. G. S. Boulger, British Flower-
ing Plants, 332

Pike (O. G.), Bird Biographies, 590

Przibram (Dr. Hans), Experimental Zoologie, 193
Pycraft (W. P.), the Courtship of Animals, 140
Robinson (J. H.), Our Domestic Birds, III

Russell (E. S.), English Haddock Fishery: Report on
Market Measurements, 67

Sargent (F. S.), Plants and their Uses, 279

Savage (Dr. W. G.), Bacteriological Examination of Food
and Water, Prof. R. T. Hewlett, 276
Schmid (Prof. B.), Handbuch der naturgeschichtlichen
Technik, 227; and Dr. C. Thesing, Biologen-Kalender,
227

Schoenichen (Prof. W.), Methodik und Technik des natur-
geschichtlichen Unterrichts, A. E. Crawley, 361
Schröder (Prof. C.), Prof. J. J. Kieffer, Dr. E. Enslin,
die Insekten Mitteleuropas, 391

Shipley (Dr. A. E.), G. A. K. Marshall, W. F. Kirby,
Fauna of British India: Orthoptera, 419

Slingerland (late M. V.) and C. R. Crosby, Manual of
Fruit Insects, 446

Smith (Dr. E. F.), Bacteria in relation to Plant Diseases,

404

Stebbing (E. P.), Indian Forest Insects of Economic
Importance: Coleoptera, 446

Stewart (A. M.), Common British Moths, 141

Stopes (Dr. Marie C.), Catalogue of the Mesozoic Plants
in the British Museum (Natural History), Prof. A. C.
Seward, 55

Thomas (W. B.) and A. K. Collett, the English Year:
Spring. 57; the English Year: Summer, 305
Unwin (E. E.), Pond Problems, 305

Urquhart (A.), Odd Hours with Nature, 227

Walpole-Bond (J.), Field Studies of some Rarer British
Birds, I

Westell (W. P.), Bird Studies in Twenty-four Lessons,