Nature, 
JURE Gy 1904 
Intex 
XXXVII 
Death of Herbert Spencer, 133; Obituary Notice of, 155; | 
Grundriss der Religionsphilosophie, D. Dr. A. Dorner, 
170; Gesammelte Aufsatze zur Philosophie und Lebens- 
anschauung, Rudolf Eucken, 170; the Centenary of Kant 
Alfred Earl, 370; Humanism: Philosophical Essays, 
F. C. S. Schiller, 482; Ueber die Grenzen der Gewissheit, 
Dr. Ernst Dirr, 482; Tat und Wahrheit, Eine Grund: 
frage der Geisteswissenschaft, Hans von Liipke, 482; 
Proceedings of the Aristotelian Society, 482; Giordano 
Bruno, J. Lewis McIntyre, Prof. G. H. Bryan, F.R.S., 
505; Galileo: His Life and Work, J. J. Fahie, Prof. G. H. 
Bryan, F.R.S., 505 
Phipps (E.), Some Natural Colouring Matters, 238 
Phisalix (C.), Influence of the Radium Radiations on the 
Toxicity of Snake Poison, 432 
Phosphorescence, Action of Magnetism on, Alex. de Hemp- 
tinne, 528 
Phosphorescence, Comparative Actions of Heat and the 
n-Rays on, R. Blondlot, 503 
Phosphorescence of Photographic Plates, T. A. Vaughton, 
250; H. J. Edwards, 272; James F. Ronca, 296; O. F. 
Bloch, 296; Prof. P. Lenard, 317; Walter J. Clarke, 366 
Photography: on a Series of Photographs made with the 
New Rumford Spectro-heliograph Mounted on the 40-inch 
Refractor, Prof. Hale, 44; Method of Photographing the 
Moon with the Surrounding Stars, Prof. Turner, 95; 
Photomicrographs: Minute Marvels of Nature, John J. 
Ward, 106; Light Economy in Spectrum Photography, 
J. A. Humphreys, 234; Phosphorescence of Photographic 
Plates, T. A. Vaughton, 250; H. J. Edwards, 272; 
James F. Ronca, 296; O. F. Bloch, 296; Prof. P. Lenard, 
317; Walter J. Clarke, 366 ; Chemical Action of Rontgen 
Rays on Bromide-gelatin Photographic Plates, R. Luther 
and W. A. Uschkoff, 256; Hyposulphite of Soda, Scheme 
for Getting Rid of the Hypo in Five Minutes, J. Norton, 
256; the Autocopyist Company’s ‘‘ Black Boxes,”’ 303 5 
Comparison-star Photographs for Minor Planets, &c., 
Prof. Max Wolf, 331; Photographic Action of Radium 
Rays, S. Skinner, 335; Prof. Henry Stroud, 560; the 
British Journal Photographic Almanac, 1904, 341; 
Camera-kunst, 364; Radiations Producing Photographic 
Reversal, Charles E. S. Phillips, 365; the ‘‘ Luna ”’ 
Printing-out Paper, Messrs. Lucien Allégre and Co., 3973 
an Atlas of Solar Photographs, Prof. Janssen, 399; 
Photographic Failures, 436 ; Geological Photographs, 439 ; 
Die Bildnis-Photographie, Fritz Loescher, 460 ; Practical 
Orthochromatic Photography, Arthur Payne, 486; Photo- 
micrographs of Fog Particles condensed on X-ray and 
Other Nuclei, Dr. C. Barus, 494; Photographic Observ- 
ations of Borrelly’s Comet (1903 ©¢), Sebastian Albrecht, 
68 
Bistometer Observations, Harvard Meridian, Prof. Solon I. 
Bailey, 305 
Photometry of Lights of Different Colours, Charles Fabry, 
72 
Photo-telephony, Shelford Bidwell, F.R.S., 373 
Phylogenetischer Entwickelung, Ueber verschiedene Wege, 
Prof. O. Jaekel, 484 
Physical Geography of the Blue Mountains and the Sydney 
District, E. C. Andrews, 168 
Physics: New Method of Producing Tension in Liquids, 
J. T. Jackson, 13; Physics at the British Association, 
Corrections, Dr C. H. Lees, 15; Physical Society, 23, 
94, 118, 164, 335, 430, 454, 527, 5513 the Bending of 
Magnetometer Deflection-bars, iso. Gh Chree, 233 
Magnetism of Basalt and the Magnetic Behaviour of 
Basaltic Bars when Heated in Air, Dr. G. E. Allen, 23; 
a Capillarimeter, E. Tassilly and A. Chamberland, 24; 
New Extensimeter, Rev. G. B. Lavelle, 37; the Magnetic 
Storm of October 31, Superintendent, Observatory De- 
partment, National Physical Laboratory, 56; Expansion 
Curves, B. A. Behrend, 56; Prof. J. Perry, F.R.S., 56; 
the Vapour Pressure of Liquid Oxygen on the Scale of 
the Constant-volume Oxygen Thermometer, Dr. Morris 
W. Travers and Dr. Charles J. Fox, 70; the Propagation 
of Wave-motion in an Isotropic Elastic Solid Medium, 
Prof. A. E. H. Love, 71; Conduction of Electricity 
through Gases, J. J. Thomson, F.R.S., 74; on Two 
Constants A, and A, in the Kinetic Theory of Gases, 
Prof. H. Nagaoka, 79; the Viscosity of Liquid Mixtures, 
A. E. Dunstan and W. H. C. Jemmett, 943 Physikalisch- 
chemische Theorien, A. Reychler, 101; Radiant Energy 
a Working Power in the Mechanism of the Umiverse: 
R. W. O. Kestel, 101; Nuclei and Ions, Dr. Carl Bare: 
103 5 (5 Ads SSS Wilson, F.R.S., 104; the Determination 
of Vapour Densities at High Temperatures by Application 
of the Diffusion Method of Bunsen, Prof. Emich, 113; 
Cavitation in Lubrication, S. Skinner, 118; Practical 
Physics for Schools, C. J. L. Wagstaff and G. C. 
Bloomer, 125; Elementary Experimental Science, Physics 
W. T. Clough, 126; a Laboratory Guide to Qualitative 
Analysis with the Blowpipe, F. W. Martin, 126; Elec- 
tricity and Magnetism, R. T. Glazebrook, F.R.S., 148; 
Mechanics, Molecular Physics and Heat, Robert Andrews 
Millikan, 150; the Ionisation of Atmospheric Air, Messrs. 
Elster and Geitel, 154; Herr Himstedt, 154; Prof. H. 
Ebert, 154; Prof. J. A. McClelland, 155; Jonisation of 
Air, Norman N. Campbell, 511; Prof. A. Schuster, 
F.R.S., 599; the Elastic Constants of Silk, F. Beaulard, 
158; Model to Illustrate Wave-motion, Prof. L. R. 
Wilberforce, 164-5; a Transpiration Model Elucidating 
Mode of Ascent of Water in Tall Trees, Dr. Dixon, 184; 
a Quantitative Study of the Setting and Swelling of 
Gelatin, Dr. Paul von Schroeder, 185; New Method of 
Measuring Thicknesses and Refractive Indices, J. Macé de 
Lépinay and H. Buisson 192; Distortion Developed by 
Shock in Notched Test-pieces, A. Perot, 192; on the Dis- 
tribution and Intensity of the Pressure on Thin Plates and 
Combinations of Plates Placed in a Uniform Current of Air, 
Dr. T. E. Stanton, 204; le Point critique des Corps purs, 
217; Lessons in Physics, Lothrop D. Higgins, 221 ; Wissen- 
schaftliche Abhandlungen der Physikalisch-Technischen 
Reichsanstadt, 228; a Diffusiometer, J. Thovert, 239; La- 
boratory Physics, Dayton Clarence Miller, 246 ; Escape of 
Gases from Atmospheres, Dr. G. Johnstone-Stoney, F.R.S., 
247; S. R. Cook, 487; the Physical Laboratory at Leyden, 
H. H. F. Hyndman, 259; on Osmosis, A. Guillemin, 263 ; 
the Elastic Limit of Metals, M. Frémont, 276; a Method 
for the Comparison of Thicknesses, M. Mesnager, 287; 
the b Constant of Van der Waals’s Law, J. D. van der 
Waals, jun., 328; the Planning and Fitting-up of 
Chemical and Physical Laboratories, T. H. Russell, 3415 
Crystallisation Microscope Adapted to the Determination 
of the Melting Points of Silicates and Silicate Mixtures, 
Prof. C. Doelter, 350; Physical Chemistry in the Service 
of the Sciences, J. H: van ’t Hoff, 362 ; Notes in Eluci- 
dation of the Most Recent Researches of R. Blondlot on 
the n-Rays, O. Lummer at the German Physical Society, 
378 ; Compressibilities of Oxygen, Hydrogen, Nitrogen, 
and Carbonic Oxide between One Atmosphere and Half 
an Atmosphere of Pressure, and on the Atomic Weights 
of the Elements Concerned, Lord Rayleigh, O.M., 
F.R.S., 381; Group-velocity, Prof. H. Lamb, 382; Jubel- 
band—Wilhelm Ostwald, 387; Recueil d’Expériences 
élémentaires de Physique, Henri Abraham, 391; on a 
Dynamical System Illustrating the Spectrum Lines and 
the Phenomena of Radio-activity, Dr. H. Nagaoka, 392; 
Atoms and Elements, Prof. C. Baskerville, 4o2; High 
Temperature Standards of the National Physical Labor- 
atory, J. A. Harker, 429; the National Physical Labor- 
atory, Maurice Solomon, 491; Part Played by the 
Corpuscles in the Formation of the Anodic Column in 
Tubes of Rarefied Gases, H. Pellat, 431; Relation be- 
tween Diffusion and Viscosity, J. Thovert, 431; a New 
Dilatometer, B. F. E. Keeling, 454; Formation of Solids 
at Low Temperatures, Morris W. Travers, 477; Deep- 
water ‘Two-dimensional Waves, Lord Kelvin, 479; Illus- 
trations of Modes of Decay of Vibratory Motions, Prof. 
A. E. H. Love, 479; Demonstration of Magnetostriction 
by Means of Capillary Ripples, Prof. H. Nagaoka, 487; 
Galileo; his Life and Work, J. J. Fahie, Prof. G. H. 
Bryan, F.R.S., 505; “ther and Gravitation, Ww. G. 
Hooper, 509; an Attempt towards a Chemical Concep- 
tion of the Ether, Prof. D. Mendeléeff, 558; Degradation 
of Elements, S. H. Woolhouse, 512 ; Sir William Ramsay, 
IC OBee RSs 5h2i Specific Heats of Metals and the 
Relation of Specific Heat to Atomic Weight, Prof. W. A. 
Tilden, F.R.S., 526; Physical Constants of Fluorides of 
Phosphorus, Henri Moissan, 551; Attraction between 
Concentric Hemispherical Shells, George W. Walker, 
560; Prof. A. Gray, F.R.S., 560; Introduction to the 
