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102; John R. Henry, 126; Observations of the, W. H. Lock (R. H.), Varieties of Cacao Trees Existing in Ceylon,
Milligan, 83; W. F. Denning, 353 : Observations of 567
Leonids at Harvard, 1904, 233; Real Paths, Heights, Lockyer (Sir J. Norman, K.C.B., F.R.S.), Enhanced Lines
and Velocities of Leonids, Mr. Denning, 306

of Titanium, Iron, and Chromium in the Fraunhoferic
« Leonis, Spectra of, E. Haschek and K. Kostersitz, 354 Spectrum, 94 ; on the Group IV. Lines of Silicium, 189;
Lepidocarpon and the Gymnosperms, Dr. D. H. Scott, Notes on Stonehenge, 297, 345, 367, 391, 535; the Stellar
F.R.S., 201

Line near ^ 4686, 475; the Spectrum of u Centauri, 476 ;
Lépinay (Prof. Macé de). Death of, 181

the Arc Spectrum of Scandium and its Relation to
Lepine (R.). Modifications of Glycolysis in the Capillaries Celestial Spectra, 476; Further Researches on the Tem-

Caused by Local Modification of the Temperature, 23; perature Classification of Stars, 501
the Reduction of Oxyhæmoglobin, 599

Lockyer (Dr. William J. S.), the Approaching Total Solar
Lerous (Henri), the Tetrahydride and Decahydride of Naph- Eclipse of August 30, 393 ; the Spectroheliograph of the
thalene, 47: B-Decahydronaphthol, 455

Solar Physics Observatory, 502
Lespiault (Prof.), Death of, 181

Lodge (Sir Oliver, F.R.S.), Recently Observed Satellites,
Lespieau (M.), B-Bromobutyric Acid, 72; Action of Hydro- 295: Historical Note on Dust, Electrification, and Heat,

cyanic Acid Epiethyline, 407; Cryoscopic Behaviour of 582
Hydrocyanic Acid, 544 ; Liquefaction of Allene and Ally | Lodin (A.), Influence Exerted by the Removal of the Moisture
lene, 600

from the Air Supplied to the Blast Furnace, 143
Lévy (Albert), Estimation of Carbon Monoxide in Confined Loewy (M.), Determination of the Difference in Longitude
Atmospheres, 287

between Greenwich and Paris made in 1902, 191; Pre-
Lewis (A. L.), Stanton Drew, 584

cautions Necessary in Execution of Researches Requiring
Lewis (Francis J.), Plant Associations in Moorland High Precision, 455
Districts, 257

Logarithms, Blackie's Handy Book of, 271 ; Vier- und
Leyden Physical Research at, 218

fünfstellige Logarithmentafeln, 271
Lhasa : an Account of the Country and People of Central Logwood, * Bastard,” S. N. C., 222
Tibet, Perceval Landon, 585

Lohse (Dr.), Photographic Spark Spectra of Titanium and
Library, a National University, Prof. G. H. Bryan, F.R.S., Other Metals, 373

Lois naturelles, les, Félix le Dantec, 5
Lie's Theory of Finite Continuous Transformation Groups, | Loisel (Gustave), Sterility and Alopecy in Guinea-pigs
Introductory Treatise of, John Edward Campbell, 49

Previously Submitted to the Influence of Ovarian Ex-
Liebenow (C.). Presence of Radium throughout the Earth's tracts of the Frog, 504

Volume as Compensating for the Loss of Heat by Con- Loisel (J.), Climatology of the Past Year, 493
duction, 113

London : Annual Report of the Technical Education Board
Liebig (Justus von) und Friedrich Mohr, Dr. Georg W. of the London County Council, 1903-1904, 34; London
A. Kahlbaum, 25

Fog Inquiry, 1901-3, 259; the London Conference on
Liege, le, ses Produits et ses Sous-produits, M. Martignat, School Hygiene, Sir Arthur Rücker, 377 ; Some Scientific

Centres, the Physiological Research Laboratory of the
Life, the Origin of, George Hookham, 9, 101; Geologist, University of London, Dr. Augustus D. Waller, F.R.S.,
31; Dr. F. J. Allen, 54

441; the Society of Arts and the London Institution,
Life and Energy-Four Addresses, Walter Hibbert, 271 539
Light: Observations of the Zodiacal, A. Hansky, 401; zur Loney (S. L.), the Elements of Trigonometry, 507

Theorie der Extinktion des Lichtes in der Erdatmo- Longer Term in the Polar Motion, Correction of the, Mr.
sphäre, Dr. A. Bemporod, 402

Kimura, 133
Light-curve of 8 Cephei, Dr. B. Meyermann, 234

Longitude Observations of Points on Mars, Mr. Lowell, 449
Light Energy, its Physics, Physiological Action, and Thera- | Longitudes, the " Annuaire " du Bureau des, 234

peutics, Dr. Margaret A. Cleaves, Dr. Reginald Morton, Longitudes, Discussion of Central European, Prof. Th.

Albrecht, 424
Lighthouse, New Light at St. Catherine's, 231

Lorenzo (Dr. de) Naples Volcanic Formations, 62
Lighting : Practical Determination of the Mean Spherical Lowell (P.), the Rotation of Venus, 47; the Rotation of

Candle-power of Incandescent and Arc Lamps, G. B. Mars, 47 ; Seasonal Development of Martian Canals, 282;
Dyke, 95

Alternating Variability of Martian Canals, 494 ; Long-
Lightning, Second Pyramid of Ghizeh Struck by, 565

itude Observations of Points on Mars, 449; Changes on
Lindgren (W.), the Hauraki Goldfields of New Zealand, Mars, 618

421; a Geological Reconnaissance across the Bitterroot Lowry (T. M.), Electrical Conductivity and Other Pro-
Range and Clearwater Mountains in Montana and Idaho, perties of Sodium Hydroxide in Aqueous Solution, 141

Loyalty Islands, Zoological Results based on Material from,
Linnean Society, 70, 142, 189, 239, 380, 430, 478, 550, 599 Dr. Arthur Willey, 411
Linnean Society, Vew South Wales, 192, 263

Lucas (F. A.), Eocene Whales, 102 : Measurements of
Linsbauer (Dr.). Geotropism in Plants, 590

Whales at Balena, Newfoundland, 326
Linton (Mr.), Identity of Various Trypanosomes of Man, Luehmann (J. G.), Death and Obituary Notice of, 279

Lumsden (J. S.), the Reduction Products of Anisic Acid, 358
Lippmann (G.), Measurements of the Velocity of Propaga- Lunar Formation, Origin of, G. Romanes, 256 ; Dr. John-
tion of Earthquakes, 95: the Inscription of Seismic

ston-Lavis, 256; Dr. G. K. Gilbert, 256
Movements, 95; Interference Fringes Produced by a Lunar Rainbow, a, J. McCrae, 366
System of Two Perpendicular Mirrors, 263

Lunge (Dr. G.), Techno-chemical Analysis, 458
Lissajous's Figures by Tank Oscillation, T. Terada, 296

Luttringer (A.), the Migration of Ethylene Linkage in L'n-
Lisson (C. 1.), Annelid Remains and Ammonites in the

saturated Acyclic Acids, 311; Characterisation of Lac-
Salto del Fraile and Morro Solar Districts, 541

tones by Means of Hydrazine, 527
Lister (J. J., F.R.S.), Dimorphism of the English Species Lutz (L.), Use of Leucine and Tyrosine as Sources of
of Nummulites, 71; Relation in Size between the Megalo-

Nitrogen for Plants, 383; Comparative Assimilability of
sphere and the Microspheric and Megalospheric Tests in

Ammonia Salts, Amines, Amides, and Vitriles, 480
the Nummulites, 550

Lydekker (R., F.R.S.), the Supply of Valuable Furs, 115;
Liverpool : New Buildings of the University of Liverpool,

the Transposition of Zoological Names, 608
The George Holl Physics Laboratory, New Medical Lyle (Prof. T..R.), Investigation of the Variations of Mag-
Buildings of the University of Liverpool, 63

netic Hysteresis with Frequency, 95
Liversidge (Prof. A., F.R.S.), Tables for Qualitative Lynn (W. T.), Periodical Comets due to Return in 1905, 306
Chemical Analysis, 4

Lyons (Captain H. G.), Variations of Level of Lake
Lo Surdo (Antonino), the Law of the Conservation of Mass Victoria Nyanza, 15; the Nile. Flood in Relation to the
in Chemical Action, 494

Variations of Atmospheric Pressure in North-East Africa,
Local Government Board, Scientific Reports of the, Prof. 616
R. T. Hewlett, 237

Lyrid Meteors, the, John R. Henry, 560

McClean (Dr. Frank, F.R.S.), Death of, 36; Obituary Malaria, Mosquitoes and, Major Ronald Ross, F.R.S., 590
Notice of, 58

Malclès (L.), Researches on Dielectric Solids, 167
McClelland (Prof. J. A.), Secondary Radiation, 390 ; Malfitano (G.), the Colloidal State of Matter, 143; Electrical

Secondary Radiation and Atomic Structure, 503 ; Second- Conductivity of Colloidal Solutions, 240
ary Radiation produced when the B and y Rays of Mammalia : the Mammals of Great Britain and Ireland,
Radium Impinge on Metallic Plates, 543

J. G. Millais, 121; the Land and Sea Mammals of
Maccoll (Norman), Death of, 181

Middle America and the West Indies, D. G. Elliot, 212
McCrae (J.), a Lunar Rainbow, 366

Man, Blood Pressures in, Prof. J. Clifford Allbutt, F.R.S.,
MacDowall (Alex. B.), the Moon and Barometer, 320

Macfarlane (Walter), Laboratory Notes on Practical Metal- Man, Craniology of, and the Anthropoid Apes, A. T.
lurgy, 413

Mundy, 125; N. C. Macnamara, 125
Machine Drawing, Alfred P. Hill, 149

Man, Electricity in the Service of, R. M. Walmsley, 124
McIntosh (Prof.), Community of Type between South Man, the Origin of, 433

African and European Marine Annelids Generally, 492 Manchester Literary and Philosophical Society, 23, 71, 167,
McKendrick (Prof. John G., F.R.S.), Uber das Studium 191, 334, 383, 431, 575; Wilde Lecture at, the Early

der Sprach Kurven, E. W. Scripture, 250 ; Fertilisation History of Seed-bearing Plants as Recorded in the
of Jasminum nudiflorum, 319

Carboniferous Flora, Dr. D. H. Scott, F.R.S., 426
Maclaren (J. Malcolm), Gold at Chota Nagpur, Bengal, 161 Mankind in the Making, H. G. Wells, 193
MacMahon (Major P. A., F.R.S.), Orthogonal and other Manouvrier (Prof.), Negroid " Characters in European
Special Systems of Invariants, 430

Skulls, 453
McMurry (Charles A.), Special Method in Elementary Mansfield (Mr.), Food of the Maine Lumbermen, 254
Science for the Common School, 316

Maps, the First True, C. Raymond Beazley, 159
Macnamara (N. C.), Craniology of Man and the Anthropoid Maps, Popular Star, Comte de Miremont, 484
Apes, 125

Maquenne (L.), Constitution of Ricinine, 119
MacPherson (H. A.), a Fauna of the North-west Highlands Marage (M.), Application of the Vowel Siren to the Study
and Skye, 202

of Deafness, 456
Macqueen (Mr.), Methods of Dealing with Dust in the Air Marcet (Mrs.), Rediviva, Chemistry for Youths, 435
in a Cornish Mine, 209

March (F.), New Method of Synthesis of Alkyl Derivatives
McWeeney (Dr. E. J.), Carbon Monoxide Asphyxiation in of Cyclic Saturated Alcohols, 431; 1-Methyl-4-benzylcyclo-
Dublin, 88

hexanol and 1-Methyl-4-dibenzylcyclohexanol, 479
McWilliam (A.), on the Occurrence of Widmannstätten's Marine Biology : Ecology and Deposits of the Cape Verde

Figures in Steel Castings, 32 ; Acid Ope arth Manipu- Marine Fauna, C. Crossland, 502 ; on a Method of Using
lation, 40

the Tow-net as an Opening and Closing Tow-net, George
Maddrill (Mr.), Observations on Comets, 449

Murray, F.R.S., 364; Report of the Government of
Madreporarian Polyps, West Indian, J. E. Duerden, Prof. Ceylon on the Pearl Oyster Fisheries of the Gulf of
Sydney J. Hickson, F.R.S., 18

Manaar, W. A. Herdman, F.R.S., 395: Larva and Spat
Magic Origin of Moorish Designs, Dr. Ed. Westermarck, of the Canadian Oyster, J. Stafford, 468; Eumedon con-

victor, a Crustacean accompanying a Sea-urchin, E. L.
Magnetism : Simultaneous Occurrence of Solar and Mag- Bouvier and G. Seurat, 479 ; Community of Type between

netic Disturbances, A. Nippoldt, 16; Magnetic Dis- South African and European Marine Annelids Generally,
turbances 1882 to 1903 and their Association with Sun- Prof. McIntosh, 492 ; Distinct Second Family Type of
spots, E. W. Maunder, 118; Magnetic Storms and As- Lancelets (Cephalochordata), Dr. R. Goldschmidt, 590 ;
sociated Sun-spots, Rev. A. L. Cortie, 311; Prof. Memoirs on Marine Biology, 618; see also Biology
Schuster, 311; Investigation of the Variations of Mag- Marine Expedition, a New British, 562
netic Hysteresis with Frequency, Prof. T. R. Lyle, 95; Mark (Edward Laurens), Anniversary Volume, 169
an Ingenious Method of Constructing Magnetic Charts, Marloth (Dr. R.), a New South African Cypress (Callistris
Prof. N. Umow, 184; Analysis of the Results from the schwarzi), 168 ; Mimicry among Plants, 232
Falmouth Magnetographs on Quiet Days during 1891- Marr (Dr. J. E.), Classification of the Sedimentary Rocks,
1902, Dr. Charles Chree, 261; Higher Text-book of

Magnetism and Electricity, Dr. R. Wallace Stewart, 270 ; | Mars : Seasonal Development of Martian Canals, Mr.
Action of a Magnetic Field on the Discharge through a Lowell, 282; the Alternating Variability of Martian
Gas, Dr. R. S. Willows, 358; a Contemplated Magnetic Canals, Mr. Lowell, 494 ; Longitude Observations of
Survey of the North Pacific Ocean by the Carnegie Points on Mars, Mr. Lowell, 449 ; Forthcoming Op-
Institution, Dr. L. A. Bauer, 389; Drift Produced in position of, R. Buchanan, 494 ; Reality of Various
Ions by Electromagnetic Disturbances, and a Theory of Features on, V. Cerulli, 592 ; Changes on, Mr. Lowell,
Radio-activity, George W. Walker, 406; Elements of 618; Mr. Lampland, 618; Prof. W. H. Pickering, 618;
Electromagnetic Theory, S. J. Barnett, G. F. C. Searle, see also Astronomy
409 ; Coefficient of Magnetisation of Bismuth, Georges Marsh (J. E.), Photographic Radiation of some Mercury
Meslin, 431 ; Effect of Temperature on the Magnetisation Compounds, 455
of Steel, Nickel, and Cobalt, Prof. H. Nagaoka and S. Marshall (H.), Salts and their Reactions, 200
Kusakabe, 448; the Magnetic Survey of the United Martignat (M.), Le Liège, ses · Produits et ses Sous-pro-
States, 449 ; Magnetic and Meteorological Observatory,

duits, 413
New Year Island, Captain H. L. Crosthwaite, 515; Martin (Geoffrey), Have Chemical Compounds a Definite
Terrestrial Magnetism and its Causes, F. A. Black, 557 ; Critical Temperature and Pressure of Decomposition ? 609
a Magnetic Survey of Japan Reduced to the Epoch 1895.0 Martin (G. H.), Practical Chemistry, a Second Year Course,
and the Sea Level, A. Tanakadate, Prof. Arthur Schuster,
F.R.S., 578; the Diamagnetism of Bismuth, A. Leduc, Martin (Dr. Sidney), Bacteria of Proteus vulgaris, 237
599 : Electromagnetics in a Moving Dielectric, Oliver Martine (C.), a Synthesis of Menthone and Menthol, 311
Heaviside, F.R.S., 606; Determination of the Moment of Martini (Antonio de), Obituary Notice of, 38
Inertia of the Magnets Csed in the Measurement of the Mason (Prof. J. W.), Death of, 325
Horizontal Component of the Earth's Field, Dr. W. Massee (George), Heterogenetic Fungus-germs, 175
Watson, 622

Massoulier (Pierre), Study of lonisation in Flames, 479 ;
Magnitude Equation in the Right Ascensions of the Eros Ionisation in Flames, 600
Stars, Prof. R. H. Tucker, 618

Masterman (Dr.), the Salmon Fisheries of England and
Maiden (J. H.). the Commercial Timbers of New South Wales, 18
Wales, 157; the Genus Eucalyptus, 422

Mathematics : Patent Flexible Curves and a Parabolic
Maignan (F.), Production of Alcohol and Acetone by Curve, W. J. Brooks, 15; a New General Theory of
Muscles, 624

Errors, William Edward Story, 15: a Simple Differ-
Mailhe (A.), the Three Methylcyclohexanones and the Cor- entiating Machine, Dr. J. Erskine Murray, 38; Intro-

responding Methyl-cyclohexanols, 383 ; Monochloro-de- ductory Treatise of Lie's Theory of Finite Continuous
rivatives of Methylcyclohexane, 551

Transformation Groups, John Edward Campbell, 49; the



Zeros of Certain Classes of Integral Taylor's Series, Maunder (E. W.), Magnetic Disturbances 1882 to 1903 and
G. H. Hardy, 70; Reducibility of Covariants of Binary their Association with Sun-spots, 118
Quantics of Infinite Order, P. W. Wood, 70; Mathe- Mawley (E.), Phenological Observations for the Year 1904,
matical Society, 70, 166, 310, 382, 478 ; New School 430
Arithmetic, Charles Pendlebury and F. E. Robinson, 75 ; Mawson (D.), Radio-activity and Radium in Australian
New School Examples in Arithmetic, Charles Pendlebury Minerals, 168
and F. E. Robinson, 75; a School Geometry, H. S. Hall Maxwell (Mrs. J. M.), Children's Wild Flowers, 510
and F. H. Stevens, 75; Theoretical Geometry for Be- Mayer (André), the Composition of Colloidal Granules, 167
ginners, C. H. Allcock, 75: Elementary Plane Geometry, Measurements, an Introduction to the Theory of Mental
P. M. Turnbull, 75; Mathematical Problem Papers, Rev. and Social, Edward L. Thorndike, 99
E. M. Radford, 75; the Collected Mathematical Papers of Measures : Construction and Verification of a New Copy of
James Joseph Sylvester, 98; Compound Singularities of the Imperial Standard Yard, H. J. Chaney, 543
Curves, A. B. Bassett, F.R.S., 101; Singularities of Mechanical Appliances, Mechanical Movements and Novel.
Curves, T. B. S., 152 ; Quadratic Partitions, Lieut.-Col. ties of Construction, Gardner D. Hiscox, 557
Allan Cunningham, 124; Application of Basic Numbers Mechanics : Laboratory Apparatus for Measuring the
to Bessel's and Legendre's Functions, Rev. F. H. Jack- Lateral Strains in Tension and Compression Members,
son, 166; Groups of Order paqe, Prof. W. Burnside, Prof. Coker, 143 ; Die technische Mechanik : elementares
106; Failure of Convergence of Fournier's Series, Dr. Lehrbuch für mittlere maschienentechnische Fachschulen
E. W. Hobson, 166; Extension of Borel's Exponential und Hilfsbuch für studierende höherer technischer
Method of Summation of Divergent Series Applied to Lehranstalten, P. Stephan, Prof. George M. Minchin,
Linear Differential Equations, E. Cunningham, 166; a 148 ; a Simple Model for illustrating Wave-motion, K.
New Geometry for Senior Forms, S. Barnard and J. M. Honda, 295; the Slow Stretch in Indiarubber, Glass, and
Child, 174; on a Rapid Method of Approximate Harmonic Metal Wires Subjected to a Constant Pull, P. Phillips,
Analysis, Prof. S. P. Thompson, 190; Leçons sur la Pro- 359; Effects of Momentary Stresses in Metals, Prof.
pagation des Ondes et les Equations de l'Hydrody-

Bertram Hopkinson, 501
namique, Jacques Hadamard, 196; Elementary | Mediæval Lore from Bartholomew Anglicus, Robert Steele,
Treatise on Graphs, George A. Gibson, Prof. George M. 559
Minchin, F.R.s., 211; Die Bilderzeugung in optischen Medical Buildings of the University of Liverpool, 63
Instrumenten vom Standpunkte der geometrischen Optik, Medicine : Obituary Notice of Antonio de Martini, 38;
Prof. G. H. Bryan, F.R.S., 217; Grundzüge der Theorie Abstention from Vaccination diminishing, 237; Medical
der optischen Instrumente nach Abbe, Dr. Siegfried Research in Egypt, 307; Bacteriology and the Public
Czapski, Prof. G. H. Bryan, F.R.S., 217; the Mathe- Health, Dr. George Newman, Dr. A. C. Houston, 388 ;
matical Theory of Eclipses according to Chauvenet's Relations between Arterial Pressure and the Amounts
Transformation of Bessel's Method, Roberdeau Buchanan, of Chloroform Absorbed, J. Tissot, 408 ; Trypanosomiasis
244 ; Solutions of the Exercises in Godfrey and Siddon's and Experimental Medicine, Prof. R. T. Hewlett, 498;
Elementary Geometry, E. A. Price, 248 ; Death of G. W. Physical Chemistry of Anästhesia, Prof. Moore and Mr.
Hemming, 253: the Form of the Surface of a Fowl's Roaf, 499; a German-English Dictionary of Terms Used
Egg, Prof. G. H. Bryan, 254; Blackie's Handy Book in Medicine and the Allied Sciences, Hugo Lang and B.
of Logarithms, 271; Vier- und fünfstellige _Logarith- Abrahams, 533 ; Composition of the Oil from Bir Bahoti
mentafeln, 271; Polyhedral Soap-films, W. F. Warth, or the “Rains Insect(Bucella carniola), E. G. Hill,
273 ; Opere mathematiche di Francesco Brioschi, 293 ; 551-2
Opere mathematiche di Eugenio Beltrami, 293 ; Polar Medlicott (H. B., F.R.S.), Death of, 565; Obituary Notice
Plotting Paper, Dr. C. G. Knott, 296; Alternants and of, 612
Continuous Groups, Dr. H. F. Baker, 311; Death of Meehan (Rev. Joseph), Intelligence of Animals, 176
Prof. J. W. Mason, 325; Death of Prof. Achsah M. Mees (C. E. Kenneth), the Science and Practice of Photo-
Ely, 350; Billiards Mathematically Treated, G. W. Hem- graphy, Chapman Jones, 29; the Molecular Condition in
ming, s. H. Burbury, F.R.S., 362 ; Death of Robert Solution of Ferrous Potassium Oxalate, 358; the Theory
Tucker, 371; Obituary Notice of, 398 ; General of Photographic Processes on the Chemical Dynamics
Theory of Transfinite Numbers and Order Types, of Development, 454
Dr. E. W. Hobson, 382 ; Asymptotic Expansion Meldola (Prof. R., F.R.S.), Isomerism of the Amidines of
of Integral Functions of Finite Non-zero Order, the Naphthalene Series, 118; the Chemical Synthesis of
Rev. E. W. Barnes, 382 ; Death of Dr. Guido Hauck, Vital Products, and the Inter-relation between Organic
420; Death of J. C. V. Hoffmann, 420; Orthogonal and Compounds, 170 ; Method for the Direct Production of
other Special Systems of Invariants, Major P. A. Mac- Certain Amino-azo-compounds, 239; B-NH-ethenyldi-
Mahon, F.R.S., 430; Verb Functions or Explicit Opera- aminonaphthalene, 382; the late Prof. Tacchini, 583
tions, Major Ronald Ross, C.B., F.R.S., 431; the Pro- Mellor (E. T.), Geological Survey of the Transvaal, Řeport
jaction of Two Triangles on to the Same Triangle, Prof.

for the Year 1903, 55
M. J. M. Hill, Dr. L. N. G. Filon, and H. W. Chapman, Mellor (J. W.), Chemical Statics and Dynamics, 532
478; the Weddle Quartic Surface, H. Bateman, 478; Melting of Floating Ice, the, Heat, 366
Elementary Pure Geometry, with Mensuration, "E. Mendeléeff (Prof.) on the Chemical Elements, 65
Buddon, 507; Lessons in Experimental and Practical Menschen, der Gang des, Otto Fischer, Dr. A. Keith,
Geometry. H. S. Hall and F. H. Stevens, 507; the 145
Elements of Geometry, Theoretical and Practical, B. Mensuration, Elementary Pure Geometry, with, E. Buddon,
Arnett, 507; the Elements of Trigonometry, S. L. Loney, 507
7: Elementary Algebra, W. M. Baker and A. A. | Mental and Social Measurements, an Introduction to the
Bourne, 307: Clive's Shilling Arithmetic, 507; Graphic Theory of, Edward L. Thorndike, 99
Statics, T. Alexander and A. W. Thompson, 507; the Mentone Caves, Recent Exploration in the, Prof. Marcellin
Algebra of Invariants, J. H. Grace and A. Young, Prof. Boule, 276
G. H. Bryan, F.R.S., 601; the Dynamical Theory of Meridian Observations, Constant Errors in, J. G. Porter
Gases, J. H. Jeans, Prof. G. H. Bryan, F.R.S., 601 ; a
Treatise on the Analytical Dynamics of Particles and Merritt (Ernest), Absorptive Power of Fluorescent Sub-
Rigid Bodies, E. T. Whittaker, Prof. G. H. Bryan, stances during Active Fluorescence, 423
FR.S., 601

Merz (John Theodore), a History of European Thought in
Vatere, la, l'Éther et les Forces physiques, Lucien Mottez, the Nineteenth Century, 241

Meslin (George), Coefficient of Magnetisation of Bismuth,
Vatignon (C.). Combinations of Samarium Chloride with 431

Ammonia, 311; Oxidation of Metals in the Cold in Pre- Mesnil (F.), on Surra and the Differentiation of Trypano-
space of Ammonia, 551

somes, 551
Marthe* (W. D.), Arboreal Ancestry of Mammals, 351 Metallurgy: Extraction of Vanadium from the Natural
Matthews (E. R.). Coast Erosion and Protection, Paper

Lead Vanadate, H. Herrenschmidt, 24; on the Occur-
mod at Institution of Civil Engineers, 92

rence of Widmannstätten's Figures in Steel Castings,


Prof. J. O. Arnold and A. McWilliam, 32 ; on the
Application of Dry Air Blast to the Manufacture of Iron,
James Gayley, 40; Removal of Moisture from the Air
Blown into Blast Furnace by Freezing, Economy of Fuel,
Alfred Picard and M. Heurteau, 119; Influence Exerted
by the Removal of the Moisture from the Air Supplied to
the Blast Furnace, A. Lodin, 143 ; on the Use of Dry Air
in Blast Furnaces, Henri Le Chatelier, 143 ; Method of
Drying the Air for the Blast, Mr. Gayley, 327; Iron
Manufacture in Lagos, C. V. Bellamy, 40; Development
and Rise of High-speed Tool Steel, J. M. Gledhill, .40;
Acid Open-hearth Manipulation, A. McWilliam and
W. H. Hatfield, 40; Photographic Method of Recording
the Temperature of Pieces of Steel during Cooling, H. Le
Chatelier, 88; the Use of Helium as a Thermometric Sub-
stance and its Diffusion through Silica, Adrien Jaquerod
and F. Louis Perrot, 95; Invar and its Applications,
Dr. Ch. Ed. Guillaume, 134; Corr., 158 ; Calcium Metal,
R. S. Hutton, 180; Death of Sir Lowthian Bell, Bart.,
F.R.S., 181; Obituary Notice of, 230 ; Need of Testing
Materials to be Subjected to Rapidly Repeated or to 1
Alternating Loads Otherwise than by_determining the
Tensile Strength and Elastic Limit, A. E. Seaton and A.
Jude, 184; on the Possibility of Producing a Non-brittle
Steel Tempered Blue, Ch. Frémont, 191; Report of the
Commission appointed by Clifford Sifton, Minister of
the Interior, Ottawa, Canada, to investigate the Different
Electrothermic Processes for the 'smelting of Iron Ores
and the making of Steel in Europe, Prof. J. O. Arnold,
258 ; Influence of Steam on the Reduction of the Oxides
of Iron by Carbon Monoxide and Dioxide, O. Boudouard,
263 ; Chrome-vanadium Steels, Captain Riall Sankey and
J. Kent Smith, 305; Increase of Volume of Molten Cast
Iron, Saturated with Carbon in the Electric Furnace, at
the Moment of Solidification, Henri Moissan, 335;
Laboratory Notes on Practical Metallurgy, Walter Mac-
farlane, 413; Death of Dr. Ernest F. Dürre, 420; Recent
Developments in Electric Smelting in Connection with
Iron and Steel, F. W. Harbord, 502 ; Death and Obituary
Notice of Prof. Bruno Kerl, 540 ; Electrically Heated
Carbon Tube Furnaces, R. S. Hutton and W. H. Pat-
terson, 598; Special Brasses for Naval Construction, L.

Guillet, 616
Metals : Arc Spectra of the Alkali Metals, F. A. Saunders,

133 ; Further Observations on Slip-Bands, Novel Method
of investigating the Micro-structure of Metals, Walter
Rosenhain, 500; Effects of Momentary Stresses in

Metals, Prof. Bertram Hopkinson, 501
Metaphysical Reality, Scientific Fact and, Robert Brandon

Arnold, 485
Metcalfe (Dr. Maynard M.), an Outline of the Theory of

Organic Evolution, with a Description of some of the

Phenomena which it Explains, 509
Meteorology : Sir J. Eliot's Address at Cambridge, J. R.

Sutton, 6; Sir John Eliot, F.R.S., 7; the Floods of the
Spring of 1903 in the Mississippi Watershed, H. C.
Frankenfeld, 10; the Passaic Floods of 1902 and 1903, 11;
Rainfall for 1903 in Mauritius, 14; United States
Meteorological Chart of the Great Lakes for the Winter
of 1903-4, 15; a Sensitive Hygrometer, Dr. W. M. Thorn-
ton, 47: Investigation of Accuracy of Self-registering
Thermometers, Mr. Claxton, 62 ; the Melting of Glaciers
in Winter, Dr. R. von Lendenfeld, 62 ; Kite Observations
on the Lake of Constance, Dr. H. Hergesell, 87; Scien-
tific Experiments in Italy with Unmanned Balloons, Dr.
L. Palazzo, 113; Royal Meteorological Society, 119, 216,
334, 430, 503, 622 ; Decrease of Fog in London, 119, 542 ;
T. J. Brodie, 119; London Fogs, 132 ; Report of the
Meteorological Council upon an Inquiry into the Occur-
rence and Distribution of Fogs in the London Area,
during the Winters of 1901–2 and 1902-3, with Reference
to Forecasts of the Incidence and Duration of Fogs in
Special Localities, to which is Appended the Report by
R. G. K. Lempfert on the Observations of the Winter
1902–3, 259; Meteorological Results of the National
Antarctic Expedition, W. Krebs, 131; the Storm of
December 6, 157; Monthly Wind Charts for the South
Atlantic Ocean, 157 ; the Cyclones of the Far East, Rev.
José Algué, S.J., 198; the Climate of Shanghai, Rev. J.
de Moidrey, S.J., 209; Meteorology in Mysore for 1903,
210 ; Smoke Problem, F. J. Rowan, 210; the Study of

the Minor Fluctuations of Atmospheric Pressure, Dr.
W. N. Shaw, F.R.S., and W. H. Dines, 216; Mean
Temperatures of High Southern Latitudes, Prof. Julius
Hann, 221; the “ Piesmic Barometer, A. S. Davis, 232 ;
Observations at Odessa for 1901--3, 255; the Abnormal
Tides of January 7, 258; a Method of Reading. Large
Surfaces of Mercury, A. Berget, 287; Observations
océanographiques et météorologiques dans la Région du
Courant de Guinée (1855-1900), 293 ; Super-cooled Rain
Drops, Edward E. Robinson, 295; Cecil Carus-Wilson,
320; Method of Studying Raindrops, W. A. Bentley, 399 ;
Climatological Records of the British Empire for 1903.
305; the Duration of Rainfall, T. Okada, 305; the Moon
and Barometer, Alex. B. MacDowall, 320 ; Rainfall of
the British Isles for 1904, Dr. H. R. Mill, 326; the
General Motion of Clouds, Prof. H. H. Hildebrandsson,
329; Connection of Meteorology with Other Sciences,
Captain D. Wilson-Barker, 334 ; Résultats du Voyage du
S.Y. Belgica en 1897, 1898, 1899, sous le Commandemant
de A. de Gerlache de Gomery, 337; Indian and South
African Rainfalls 1892–1902, D. E. Hutchins, 342 ; High
Barometric Readings over the British Isles during the
Latter Part of January last, 351; Remarkable Tempera-
ture Inversion and the Recent High Barometer, W. H.
Dines, 365; the Circulation of the Atmosphere, James
Thomson, 365 ; Influence of the Time Factor on the Cor-
relation between the Barometric Heights at Stations more
than 1000 Miles Apart, F. E. Cave-Browne-Cave, 379 ;
the Action of Hail Cannons, J. Violle, 383 ; Automatic
Registration of Atmospheric lonisation, Charles Nord-
mann, 407; Fall of Dust at Santa Cruz (Canaries) on
January 29 and 30, 422 ; Present Problems of Meteor-
ology, A. L. Rotch, 423 ; Phenological Observations for
the Year 1904, E. Mawley, 430 ; Denkmäler mittelalter.
licher Meteorologie, 438 ; Aëronautical Monthly Ascents
of 1904, Prof. H. Hergesell, 447 ; Electrical Effects of
Dryness of Atmosphere at Winnipeg, Prof. A. H. R.
Buller, 448; Rainfall from the Beginning of the Year,
467; on a Relation between Autumnal Rainfall and the
Yield of Wheat of the Following Year, Dr. W. N. Shaw,
F.R.S., at Royal Society, 470 ; Preliminary Results of the
Kite Ascents made on the Yacht of the Prince of Monaco
in the Summer of 1904, Prof. H. Hergesell, 467; Cli-
matic Features in the Land Surface, Dr. Albrecht Penck,
472 ; Climatology of the Past Year, J. Loisel, 493 : the
Growth of Instrumental Meteorology, Richard Bentley,
503 ; Inversions of Temperatures and Humidity in Anti-
cyclones, Dr. A. Lawrence Rotch, 510; Magnetic and
Meteorological Observatory, New Year Island, Captain
H. L. Crosthwaite, 515; Observations at Hong Kong
Observatory in 1903, 516; Rainfall of Six Months Sep-
tember, 1904, to February, 1905, 516; Highest Maximum
Temperatures. Recorded in the British Empire, W. E.
Cooke, 542 ; State of the Ice in the Arctic Seas during
1904, 567; Meteorological Conditions of the Antarctic,
Discovery Expedition, C. W. R. Royds, 568 ; Atmospheric
Electricity in High Latitudes, George C. Simpson, 573 :
Extraordinary Halo Observed at Paris on March 26,
Louis Besson, 576; Inversions of Temperature on Ben
Nevis, Andrew Watt, 583 ; the Nile Flood in Relation to
the Variations of Atmospheric Pressure in North-east
Africa, Captain H. G. Lyons, 616; Observations at
Crinan in 1904, W. H. Dines, 622 ; Rate of Fall of Rain
at Seathwaite, Dr. H. R. Mill, 622
Meteors : the Perseid Shower, A. King, 40; Observations

of Perseids, M. Chrétien, 89; M. Perrotin, 89; G. A.
Quignon, 89; Observations of Perseids, 1904. Prof. S.
Zammarchi, 133; the Perseids for 1904, V. Fournier, A.
Chaudot, and G. Fournier, 167; Observations of the
Leonid Meteors, 1904, W. H. Milligan, 83 ; the Leonids,
1904, Alphonso King, 102; John R. Henry, 126; Ob-
servations of Leonids at Harvard, 1904, 233 ; Real Paths,
Heights, and Velocities of Leonids, Mr. Denning. 306 :
Heights of Meteors, Mr. Denning, 89; the November
Meteors of 1904, W. F. Denning, 93 : Observations of
Bright Meteors, Dr. J. Möller, 211; Parallax of a Low
Meteor, P. Götz, 133 ; a Bright Meteor, J. Ryan, 329 ;
Bright Meteors, R. L. Jones, 449; the Lyrid Meteors,
John R. Henry, 560; Real Path of a Bright Meteor,
H. Rosenberg, 569 ; Radiant Point of the Bielid Meteors,
K. Bohlin, 469

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Meteorites: the Temperature of, H. E. Wimperis, 81; the from Sierra Gorda, Chili, G. T. Prior and G, F. Herbert Cañon Diablo Meteorite, Henri Moissan, 95, 287

Smith, 574 ; Dundasite from North Wales, .G. T. Prior, Mettam (Prof. A. E.), (1) on the Transmissibility of Tuber. 574 ; Three New Minerals from the Binnenthal, Smithite, culosis of the Monkey to the Ox and Goat ; (2) on the Hutchinsonite, and Trechmannite, R. H. Solly, 574

Use of Tuberculin in the Detection of Tuberculosis, 503 Minerals :. Minerals from the Lengenbach. Quarry BinnenMeunier (L.), Action of Magnesium Amalgam upon Di- thal, R. H. Solly, 118; Radio-activity and Radium in methylketone, 303

Australian Minerals, D. Mawson and T. H. Laby, 168 ; Meyer (Fernand), Preparation of lodide of Gold by the . on the State in which Helium Exists in Minerals, Prof. Action of Iodine on Gold, 72

Morris W. Travers, .F.R.S.,. 248; Beckelite, Prof. J. Meyer (Dr. H.), Star Places in the Vulpecula Cluster, 519 Morozewicz, 305 ; a New Thallium Mineral, G. T. Prior, Meyermann (Dr. B.), Light-curve of 8 Cephei, 234

534 ; the Mineral Resources of Canada, 571 Miall (L. C.), House, Garden, and Field, a Collection of Mining : an Elementary Class-book of Practical CoalShort Nature Studies, 52

mining, T. H. Cockin, 150; the Royal Commission on Micheli (F. J.), the Genesis of Temporary Radio-activity, Coal Supplies, 324; Annals of Coal Mining and the Coal

Trade, R. L. Galloway, Bennett H. Brough, 361; Gold Microchemistry : Death of Dr. T. H. Behrens, 325, 420 at Chota Nagpur, Bengal, J. Malcolm: Maclaren, 161; Microscopy : Royal Microscopical Society, 47, 142, 262, 358, Gold Mining in France, 445 ; Copper in the United 455, 550 ; on the Reconstruction of a Fossil Plant Lygino- States, W. H. Weed, 162; Methods of Dealing with dendron oldhamium, Dr. Dukinfield H. Scott, F.R.S., 47; Dust in the Air in a Cornish Mine, Messrs. Thomas and Death of Prof. Ernst Abbe, 278; Obituary Notice of, Macqueen, 209; Interim Report of British Association zor; the Twentieth Century Atlas of Microscopical Petro- Committee on Ankylostomiasis. in Britain, 209 ; Calcium graphy, 341; Practical Micrometallography, J. E. Stead, Carbide as an Explosive in Mining Work, Marcel P.: S. F.R.S., 455; Further Observations on Slip-bands, Novel Guedras, 240 ; Cyaniding Gold and Silver Ores, H. Method of investigating the Micro-structure of Metals, Forbes Julian and Edgar Smart, 292 ; Cerro de Pasco Walter Rosenhain, 500; Bausch and Lomb's B.B.P. Silver Mines, 542 ; Severe Explosion of Rock in the New Portable Microscope, 568

Hillgrove Mine, New South Wales, J. B. Jaquet, 616 Microseismography : Sound Waves of a Cannon have no Minor Planet, Variability of a,: Prof., Wendell, 569

Appreciable Effect on a Building. Prof. Vicentini, 621 Minor Planets discovered during 1904, Permanent Numbers Middiekauff (G. W.), Constancy of “Spark " Wave-lengths, for the, 401

Minor Planets, Orbits of, Prof. J. Bauschinger, 469 Middleton (Prof. T. E.), Agricultural Education and Re- Miremont (Comte de), Popular Star Maps, 484 Search, 230

Mississippi Watershed, Floods of the Spring of 1903 in the, Mai (Dr. H. R.), Rainfall of the British Isles for 1904, 326; H. C. Frankenfeld, 10 Rate of Fall of Rain at Seathwaite, 622

Misuse of Words and Phrases, T. B. S., 9, 54; A. B. Millais (J. G.), the Mammals of Great Britain and Ireland, Basset, F.R.S., 30

Mitchell (C. Ainsworth), Inks :. their Composition and Millet (J. B.), Submarine Signalling by Sound, 595

Manufacture, 269 Milligan (W. H.), Observations of the Leonid Meteors, 1904, Mittelmeerlände, die orientalische Christenheit der, Dr.

Karl Beth, 53 Millochau (G.), the Photographic Spectrum of Jupiter, 89 Modern Electric Practice, i Millosevich (Prof.), Encke's Comet (1904 b), 89, 114 Mohr (Friedrich) und Justus von Liebig, Dr. Georg W. Mimicry among Plants, Dr. R. Marloth, 232

A. Kahlbaum, 25 Minchin (Prof. George M.), die technische Mechanik, ele- Moidrey (Rev. J. de, S.J.), the Climate of Shanghai, 209 mentares Lehrbuch für mittlere maschienentechnische Moissan (Henri), Boron Trifluoride and Silicon TetrafluFachschulen und Hilfsbuch für' studierende höherer tech- oride, 71; the Cañon Diablo Meteorite, 95; the Micronischer Lehranstalten, P. Stephan, 148 ; an Elementary graphical Study of the Meteorite of the Diablo Canyon, Treatise on Graphs, George A. Gibson, 211

287; Physical Properties of Metallic Calcium, 327; InMineralogy : on the Occurrence of Widmannstätten's crease of Volume of Molten Cast Iron, Saturated with

Figures in Steel Castings, Prof. J. O. Arnold and A. Carbon in the Electric Furnace at the Moment of Solidi-
McWilliam, 32; Change in the Colour of Moss Agates, fication, 335; the Preparation of the Diamond, 359 ;
C. Simmonds, 54; A. Hutchinson, 101; Blue-stained Determinations of the Physical Constants of 'Pure Marsh
Flints, F. J. Allen, 83 : Thomas L. D. Porter, 126; Blue Gas, 400; Study of the Silicide of Carbon from the
Flints at Bournemouth, J. W. Sharpe, 176; the Cañon Cañon Diablo Meteorite, 407
Diablo Meteorite, Henri Moissan, 95; the Micrographical | Molengraaff (Dr. G. A. F.), Geology of the Transvaal,
Study of the Meteorite of the Diablo Canyon, H. Moissan 55
and F. Osmond, 287; Mineralogical Society, 118, 381, 574 ; Molesworth (Sir Guilford L.), Public Works in India
Mineral Tables for the Identification of Minerals by their during the last Fifty Years, 13
Physical Properties, 'Arthur S. Eakle, 123: Tin-ore in Molinari (Dr. E.), Trattato di Chimica Inorganica Gene-
Ross-shire, 161; on the Constitution of Arable Earth, A. rale e Applicato all' Industria, 339
Delage and H. Lagatu, 191; Hæmatite Deposits of Peru, Möller (Dr. J.), Observations of Bright Meteors, 211;
Señor Venturo, 236; Nickeliferous Veins of La Mar, Colours of Stars in the Southern Hemisphere, 256
Eduardo de Habich, 236; Alkaline Micro-granites of the Molliard (Marin), Floral Abnormalities produced by. Para-
Zinder Territory, A. Lacroix, 263 ; Death of Prof. Ben- sities acting at a Distance, 144
jamin W. Frazier, 325; a New Mineral Containing Molyneux (A. J. C.), the Physical History of the Victoria
Radium. J. Danne, 335: Fiedlerite, A. de Schulten, 359; Falls, 619
the Preparation of the Diamond, Henri Moissan, 359 ; Montana and Idaho, a Geological Reconnaissance across
Enormous Transvaal Diamond, 372 ; Plumbiferous Earths the Bitterroot Range and Clearwater Mountains in, W.
of Issy-l' .vêque contain Radium, M. Danne, 373 ; Epidote Lindgren, 450
from Inverness-shire, H. H. Thomas, 381 ; Regular Monte Rosa and Col d'Olen International Laboratories,
Growth of Crystals of One Substance upon those of the, Prof. Mosso, 443 ; Sir M. Foster, K.C.B., F.R.S.,
Another, T. V. Barker, 382 ; Zinc and Lead Deposits

443 of Northern Arkansas, G. I. Adams, 450 ; the Copper Montgomery (Dr. T. H.), Morphological Superiority of Deposits of the Encampment District, Wyoming, A. C. the Male Sex in Animals, 542 Spencer, 450 ; Economic Resources of the Northern Black Monti (R.), New Species of Hydrachnidæ, Polyxo placóHills, J. D. Irving and S. F. Emmons, 450 ; T. A. phora, 543 Jaggar, jun., 450 ; Refractory Siliceous Ores of South Moon : Variations on the Moon's Surface, Prof. W. H. Dakota, J. D. Irving and S. F. Emmons, 452 ; Petro- Pickering, 114; Changes upon the Moon's Surface, Prof. graphy of the Witwatersrand Conglomerates, with Special William H. Pickering, 226; a Possible Explanation of Reference to the Origin of Gold, Dr. F. H. Hatch and the Formation of the Moon, George Romanes, 143 ; Dr. G. S. Corstorphine, 471; the “Cullinan " Diamond, Origin of Lunar Formation, G. Romanes, 256; Dr. Dr. F. H. Hatch, 549; New Oxychloride of Copper Johnston-Lavis, 256; Dr. G. K. Gilbert, 256; Geology of

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