JS at lire. 

 December lo, 1903, 



Index 



Curves, 548 ; On the Treatment of Irreversible Processes 

 in Thermodynamics, 610 ; Flow of Steam from Nozzles, 

 624 

 *etavel (J. E.), Preliminary Note on some Electric F"urnace 

 Reactions under High Gaseous Pressures, 612 

 jPetrie (Prof. Flinders), " The Beginning of the Egyptian 

 I Kingdom," and "The Temple of Abydos, " 637 

 [Petrilli (Dr. Nestore), Considerazioni agrarie sul Piano di 



Capitanata, 100 

 [Petrography of Crater Lake, National Park, the Geology 

 and, Joseph Silas Dilier, and Horace Bushnell Patton, 

 Prof. T. G. Bonney, F.R.S., 574 

 Petroleum, the Origin of Natural (ias and, Eugene Coste, 20 

 Petrology of Fiji, the, Walter G. Woolnough, 520 

 Pettersson (Prof.), on the Effect of Ice Melting on Oceanic 



Circulation, 632 

 Pettigrew (W. F.), Coal as Fuel at Barrow-in-Furness, 463 

 Pflanzen. Willkiirliche Entwickelungsiinderungen bei, Ein 

 Beurag zur Physiologic der Entwickelung, Dr. Georg 

 Klebs, Francis Darwin, F.R.S., 265 

 Pflanzenanatomie, Pathologische, Dr. Ernst Kuster, 244 

 Phaseolunatin, Wyndham R, Dunstan, F.R.S., and T. A 



Henry, 287 

 Phenology. Sunspots and, Alex. B. MacDowall, 389 

 Phenomena of Vision, C. Welborne Piper, 177 ; Edwin 



Edser, 177 

 Philip (Dr. J. C), Freezing Point Curves for some Binary 

 Mixtures of Organic Substances, chiefly Phenols and 

 Amines, 117 ^ 



Philippine Islands Government Laboratories, Report, 109 

 Philosophy : Die empiristische Geschichtsauffassung David 

 Humes, mit Beriicksichtigung moderner methodologischer 

 und erkenntnistheoretischer Probleme, Dr. Julius Gold- 

 stein, 31; Manchester Literary and Philosophical Society, 

 47, 030 ; Dictionary of Philosophy and Psychology, 76 \ 

 Worterbuch der philosophischen Grundbegriffe,' Dr. 

 Friedr. Kirchner, 125 ; Cambridge Philosophical Society, 

 142, 230 ; Kant's Lehre vom Glauben, Ernst Sanger, 365 • 

 Scientific Investigation and Experimental Philosophy,' 

 Sidney Lee, 552 

 Phonetics, Experimental, Prof. E. W. Scripture, -{o? 

 Phosphorescence Induced by Radium Bromide, a New Case 



of, William Ackroyd, 269 

 Phosphorescent Bacteria, Prof. Molisch, 41 

 Photography : Photograph of Oscillatory Electric Spark, 

 C. J. Watson, 56; the Advancement of' Photography, Sir- 

 William Abney, K.C.B., F.R.S., at the Royal Photo- 

 graphic Society, 89 ; Transmission of Photographs by 

 Means of a Telegraph Wire, M. Korn, 96; "Tabloid'' 

 Preparations for Photography, 114; Burroughs, Welcome 

 and Co.'s "Tabloid" Preparations for Photographers, 

 181 ; on the Photo-electric Discharge from Metallic Sur- 

 faces in Different Gases, W. Mansergh Varlev, n6 ; 

 Photographs of Snow Crystals, W. A. Bentley, 12^ ; the 

 Harvard Photographs of' the Entire Sky, Prof. e'. C. 

 Pickering. 138; a Camera for Naturalists, 140; Photo- 

 graphic Observations of Comet 1902 III., Prof. Sykora, 

 183 ; Photographs of Comet 1902 h. Prof. R. H. Curtiss^ 

 305 ; Photographs of the Paths of Aerial Gliders, Prof.' 

 G. H. Bryan, F.R.S., and W. E. Williams, 184: Hand 

 Camera Photography, Walter Kilb^y, 198; "Photo- 

 graphy," 198; the Thunderstorm of May 31, C. H. 

 Hawkins. Dr. W. N. Shaw, F.R.S., 247. Dr. William 

 J. S. Lockyer, 270; the Tenth "Eros" Circular, Prof. 

 H. H. Turner, 276; Photographic Efficiency of a Short 

 Focus Reflector, Prof. Schaeberle, 330 ; a Fixing Liquid 

 Isotonic with Sea-water, M. C. Dekhuvzen, 408, 464 ; 

 Photography at the New Gallery, 527 ; Recherches sur les 

 Instruments, les Methodes et le Dessin Topograph iques. 

 Col. A. Laussedat, 545 ; Carbon Photography made Easv 

 Thomas Illingworth, 6iq ; Portraiture for Amateurs with- 

 out a Studio, Rev. F. C. Lambert, 619; the Elementary 

 Chemistry of Photographic Chemicals, C. Sordes Ellis, 

 619; Photography by Rule, J. Sterry, 619; Photomicrol 

 graphy with a Brownie Camera, W. Moss, 234 ; Lehrbuch 

 der Mikrophotographie, Dr. Carl Kaiserling, 268 

 Photometer Observations, the Harvard Meridian, Prof. 



E. C. Pickering, 17 

 Photometry, W. J. Dibden, 30 



Phrenology, the Revival of, the Mental Functions of the 

 Brain, Dr. Bernard Hollander, 268 



Phthisis, the Propagation of, Rev. Edmund McClure, 5b 

 Physics : Physikalische Chemie der Zelle und der Gewebe, 

 Dr. Rudolf Hober, Dr. Benjamin Moore, 4 ; Experiments, 

 with Vacuum Tubes, Sir D. L. Salomons, Bart., 6; 

 Obituary Notice of Prof. J. Willard Gibbs, 11 ; Inter- 

 ference of Light-waves, Profs. Lummer and Gehrcke, 15 ; 

 Experiments with Ionised Air, Dr. Carl Barus, 21 ; Con- 

 densation Nuclei, Carl Barus, C. T. R. Wilson, F.R.S., 

 548; Physical Society, 22, 71, 117, 190, 238; Proposed 

 Meetings of the Physical Society at the Royal College of 

 Science, 109 ; Radio-active Processes, Paper Read at 

 Physical Society, Prof. E. Rutherford, 163 ; the Use of 

 Mercury Baths in Preventing Oscillations, Maurice Hamy, 

 23 ; Action of Live Things in Mechanics, Sir Oliver Lodge, 

 F.R.S., 31 ; the Glorification of Energy, Prof. George 

 M. Minchin, F.R.S., 31; Physical Properties of Tri- 

 methylcarbinol, M. de Forcrand, 47 ; Memorial to Sir 

 George Stokes, 64 ; Inertia and Coercion, Prof. Ladislaus 

 Natanson, 66 ; Death of F61ix Worms de Romilly, 84 ; 

 Catalogue of Instruments and Models taken from the 

 Schaffer Museum, Prof. Bohn, 87-88 ; Modulus of Traction 

 and the Coefiicient of Expansion of Vulcanised India- 

 rubber, MM. Bouasse and Carriere, 95 ; the Combination 

 of Hydrogen and Chlorine under the Influence of Light, 

 P. V. Bevan, 116; Nernst Lamps, J. Stottner, 117; 

 Diagram for Single-piece Lenses, T. H. Blakesley, 117, 

 Instrument for Measuring the Lateral Contraction of Tie- 

 bars, and on the Determination of Poisson's Ratio, J. 

 Morrow, 117; Note on the Probable Occasional Instability 

 of all Matter, Sir Oliver J. Lodge, F.R.S., 128 ; Properties 

 of Colloidal Solutions, H. Garrett, 137 ; Potential 

 Differences between the Terminals of a Vacuum Tube, 

 W. A. D. Rudge, 142 ; Electrical Osmosis, Jean Perrin, 

 167 ; Theory of Refraction in Gases, George W. Walker, 

 167; Dissociation Curves, A. Bouzat, 168; Vorlesungen 

 iiber hydrodynamische Fernkrafte nach C. A. Bjerknes' 

 Theorie, V. Bjerknes, Prof.'G. H. Bryan, F.R.S., 172; 

 the R61e of Diffusion and Osmotic Pressure in Plants, 

 B. E. Livingston, 174 ; Effect Produced by the Momentary 

 Relief of Great Pressure, J. Y. Buchanan, F.R.S., 184, 

 334 ; Method of Determining the Viscosity of Pitch-like 

 Solids, Prof. F. T. Trouton and E. S. Andrews, 190 ; 

 Hermann von Helmholtz, Leo Koenigsberger, Harold 

 Hilton, 193 ; a Treatise on the Theory of Solution, in- 

 cluding the Phenomena of Electrolysis, W. C. D. 

 Whetham, 197 ; Mercury Bubbles, Dr. Henry H. Dixon, 

 199; Critical State of Gases, J. Traube and G. Teichner, 

 210; Apparatus for Determining the Vapour Densities 

 of CO,, &c., W'. Nernst, 210; Colloid Zirconium, E. 

 Wedekind, 211; Colloids of Paper, &c., O. Burns, 211; 

 Concentration of Solutions, &c., by Freezing, Mr. Monti, 

 211 ; Production of Very High Temperatures by Burning 

 Aluminium in Oxygen' and other Gases, Mr. Zengelis, 

 211; Physical Constitution of the Atmosphere, Louis 

 Maillard, 216; "Bathymeter," a Simple Apparatus for 

 Gauging the Depths of Liquids in Wells and Tanks, 

 Leonard Murphy, 231; the "Flow of Marble," Lucie 

 Fournier, 231 ; New Light Obtained after Filtering the 

 Rays from a Focus Tube through Aluminium or Black 

 Paper, R. Blondlot, 232 ; Propagation of Tremors over 

 the Surface of an Elastic Solid, Horace Lamb, 237 ; 

 Spontaneous Dichroism of Mixed Liquids, Georges 

 Meslin, 240 ; Physical Chemistry for Physicians and 

 Biologists, Ernst Cohen, 245 ; the Elasmometer, A. E. H.. 

 Tutton, F.R.S., 261 ; New Method of Producing Tension 

 in Liquids, J. T. Jackson, 262 ; Experiments on the Resist- 

 ance of the Air, G. Eiffel, 263 ; the Source of Radium 

 Energy, Ch. Lagrange, 269 ; Experiments in Radio- 

 Activity and the Production of Helium from Radium, 

 Sir William Ramsay, K.C.B., F.R.S., and Frederick 

 Soddy, at the Royal Society, 354 ; the Amount of Emana- 

 tion and Helium from Radium, Prof. E. Rutherford, 

 F.R.S., 366; the Principle of Radium, 496; see also 

 Radiography ; a Modern Physicist, Scientific Papers of 

 Lord Rayleigh, 289 ; Influence of Temperature on the 

 Dichroism of Mixed Liquids, Georges Meslin, 312; the 

 Physical Papers of Henry Augustus Rowland, 316 ; Report 

 of the Research Work, during the Half-year ending 

 June 30, at the National Physical Laboratory, 350; 

 Separation of Solids in the Surface-layers of Solutions and 

 Suspensions, W. Ramsden, 359 ; Pressure Curves of Uni- 



