XXXIV 



Index 



[Nature, 

 July a8, 1910 



Petrology : Pneumatolysis, Arthur R. Hunt, 249 ; an Intro- 

 duction to Petrology, F. P. Mennell, 365 



Pettigrew (W. F.), a Manual of Locomotive Engineering, 67 



Pflanzen-chromatophoren, die Gestalts- und Lageveranderung 

 der, Dr. Gustav Senn, 4 



Pflanzenkunde, Leitfaden der, fiir hohere Lehranstalten, 

 Dr. K. Smalian, 35 



Pfliiger (Prof. E. F. W.), Death of, 164; Obituary Notice 

 of. Dr. A. D. Waller, F.R.S., 314 



Pflugkultur, die Entstehung der, Dr. Ed. Hahn, A. E. 

 Crawley, 67 



Pharmaco-therapeutics, Chemistry and, Dr. C. A. Keane at 

 Society of Chemical Industry, 508 



Pharmacy : Death of Michael Carteighe, 406 



Phelps (E. B.), the Disinfection of Sewage and Sewage 

 Filter Effluents, with a Chapter on the Putrescibility and 

 Stability of Sewage Effluents, 411 



Philippi (Prof. E.), Death of, 74 ; Obituary Notice of, 104 



Phillips (Mr.), Slender Seed-corn Ground-beetle, 318 



Phillips (R. A.), Leucojum aestivum, the Summer Snow- 

 flake, 513 



Phillips (W. C. S.), Galvanometer for Alternate-current 

 Circuits, 547 



Philology : Standardisation of English in Technical Litera- 

 ture, T. A. Rickard, 448 



Philosophy : Survival of Man, Sir Oliver Lodge, F.R.S., 31 ; 

 Logic of Nature, a Synthesis of Thought, Arthur Silva 

 White, 35; ; Matter, Spirit, and the Cosmos, H. Stanley 

 Redgrove, 68 ; in the Abstract, M. Alliston, 246 ; Progres- 

 sive Creation, a Reconciliation of Religion with Science, 

 Rev. H. E. Sampson, 246 ; Progressive Redemption, Rev. 

 H. E. Sampson, 246 ; Scientific Idealism, or Matter and 

 Force, and their Relation to Life and Consciousness, W. 

 Kingsland, 246 ; the Principles of Pragmatism, a Philo- 

 sophical Interpretation of Experience, H. Heath Bawdon, 

 363 ; Science and Religion in Contemporary Philosophy, 

 Prof. Emile Boutroux, 332 ; an English Philosophical 

 Congress, William Brown, 536 



Phonetics : the Beginnings of Human Speech, Dr. C. 

 Taiiber, 508 



Phono-kardiogramme, Prof. Otto Weiss, Prof. John G. 

 IVTcKendrick, F.R.S., 38 



Photoelectric Effect caused by Incident and Divergent 

 Light, a Difference in the. Otto Stuhlmann, jun., 311; 

 Dr. R. D. Kleeman, 339 



Photography : Electrical Discharges over Photographic 

 Plates, Prof. Alfred W. Porter, 142 ; Photographic Arts 

 and Crafts Exhibition, 197 ; Application of the Kinemato- 

 graph to the Photography of Micro-organisms, Dr. 

 Comandon, 317; Modern Telephotography, Captain Owen 

 Wheeler, 337 ; Stereoscopic Colour Photography, L. 

 Boutan and J. Feytaud, 4.49 ; Lowell Observatory Photo- 

 graphs of the Planets, Prof. Percival Lowell at Royal 

 Institution, 472 ; Exhibition of Society of Colour Photo- 

 graphers, 497 : Infra-red and Ultra-violet Landscapes, 

 Prof. R. W. Wood, 505 



Photometry : Precautions necessary in Photographic Photo- 

 metry, Mr. Parkhurst, 140 ; a Photometric " Paddle 

 Wheel," Dr. J. R. Milne, 329 



Physics : the Meaning of " lonisation," A. S., 6; N. R. C, 

 36 ; W. Deane Butcher, 126 ; la Radioattiviti, A. Battelli, 

 A. Occhialini, S. Chella, 32; the Wonder Book of 

 Magnetism, Dr. E. J. Houston, 34 ; the Wonder Book of 

 Light, Dr. E. J. Houston, 34; the Formation of Large 

 Drops of Liquid, Chas. R. Darling, 37 ; the Davy- 

 Faraday Laboratory, Edwin Edser, 40 ; Re-determination 

 of the Melting Points of the Metals from Zinc to 

 Palladium, Messrs. Day and Sosman, 4- : Colours of Sea 

 and Sky, Right Hon. Lord Rayleigh, O.M., F.R.S., at 

 Royal institution, 48; the Life of William Thomson, 

 Baron Kelvin of Largs, Silvanus P. Thompson, Prof. A. 

 Grav, F.R.S., 61 ; the Colour of Water. Sir E. Rav 

 Lankester, K.C.B., F.R.S., 68; Prof. H. T. Barnes, 188'; 

 Prof. W. N. Hartley, F.R.S., 487; Death of Prof. K. J. 

 Angstrom, 74 ; Obituary Notice of. Prof. Arthur Schuster, 

 P.R.S., 132 ; Death of Dr. A. E. Dolbear, 7:; ; Tides in 

 the Earth's Crust, Charles Lallemand, 78 ; Extinction of 

 ■Sound in a Viscous Atmosphere by Small Obstacles of 

 Cylindrical and Spherical Form, C. J. T. Sewell, 87 ; 

 la Vita di Michele Faraday, Andrea Naccari, q^ ; Method 

 of Testing Screws, J. A. Anderson, 107; Breaks in Glass 



Apparatus, Dr. L. Gabelli, 107 ; the National Physical 

 Laboratory in 1909, 109; the Teaching of Physics, Prof. 

 K. E. Guthe, 113; Physical Society, 118, 14O, 239, 359, 

 477> 547; ^ New Reflectometer, Ch. F6ry, 119; Improved 

 Form of Mouth Blow-pipe, 139 ; Coherers, Dr. W. H. 

 Eccles, 146 ; Electromotive Force of Cells with a Single 

 Salt and Two Solvents, Principal Laurie, 148 ; New Form 

 of Respitory Respiratory Calorimeter for Physiological 

 Purposes, Drs. E. P. Cathcart, J. Gray, and A. Black, 

 148 ; Scattering of Rapidly Moving Electrified Particles by 

 Matter, Sir J. J. Thomson, 148; the Infl mmability of 

 Gas-mixtures, Dr. H. F. Coward, 148; Cours de 

 Physique, Elude des Sym^tries, Prof. H. Bouasse, Dr. 



A. E. H. Tutton, F.R.S., 151 ; a Low-temperature 

 Cooling Bath, H. Stoltzenberg, 168; Thermodynamic 

 Reversibility as applied to Diffraction of Light through a 

 Grating, Dr. M. Laue, 168 ; Experiments on lonisation 

 in Dried Air, S. G. Lusby, 179; a New Experimental 

 Method of Investigating Certain Systems of Stress, G. H. 

 Gulliver, 203 ; Systematic Error limiting the Precision 

 of the Cavendish Experiment, V. Cr^mieu, 209 ; Tables 

 and Diagrams of the Thermal Properties of Saturated 

 and Superheated Steam, L. S. Marks and H. N. Davis, 

 H. E. Wimperis, 212 ; Lehrbuch der praktischen Physik, 

 F. Kohlrausch, 216; Viscous Flow in Metals, E. N. da 

 C. Andrade, 237 ; Variation of Gravity, R. A. Lehfeldt, 

 240 ; Incidence of Light upon a Transparent Sphere of 

 Dimensions comparable with a Wave-length, Lord Ray- 

 leigh, 269 ; Total lonisation produced in Different Gases 

 by the Kathode Rays, Dr. R. D. Kleeman, 269 ; the 

 Orientation of Crystals of Ice in a Flux of Heat, Prof. 

 H. T. Barnes, 276 ; Precision of Apparatus serving to 

 Study the Vibration of Buildings, B. Galitzine, 290 • 

 Movements of a Liquid in a Tube, M. Menneret, 299 ; 

 Physical Science in the Time of Nero, being a Transla- 

 tion of the " Quaestiones Naturales " of Seneca, J. 

 Clarke, 305 ; a Difference in the Photoelectric Effect 

 caused by Incident and Divergent Light, Otto Stuhlmann, 

 jun., 311 ; Dr. R. D. Kleeman, 339; Fluorescent Absorp- 

 tion, Prof. R. W. Wood, 312 ; Application of Interference 

 Method of Measuring Small Differences of Wave-length 

 to the Problems of Solar Physics, MM. Buisson and 

 Fabry, 319 ; Weighing and Measuring, W. J. Dobbs, 

 338 ; Steam Tables, Prof. Robert H. Smith, 339 ; thi- 

 Reviewer, 339 ; the Magnetic Balance of MM. Curie and 

 C. CJheneveau, C. Cheneveau, 359 ; A. C. Jolley, 359 ; 

 les Etals physiques de la Mati^re, Prof. Ch. Maurain, 

 366 ; an Improved Weight Dilatometer, A. V. C. Fenby, 

 370 ; Certain Thermal Properties of Steam, H. N. Davis, 

 382 ; Technical Series of Physical Apparatus, 382 ; Dimen- 

 sions of the Material Elements projected by the Kathodes 

 in Vacuum Tubes, M. Houllevigue, 389 ; Saturation 

 Pressure of Water Vapour at Temperatures between 0° C. 

 and 50° C, Drs. Scheel and Heuse, 409 ; Saturation 

 Pressure of Water Vapour at Temperatures between 

 200° C. to 376° C, Drs. Holborn and Baumann, 409; 

 Absorption of Gases by Charcoal, Ida F. Homfray, 418 ; 

 Interference of Two Beams superposed in the Inverse 

 Sense along an Optical Circuit of Large Dimensions, G. 

 Sagnac, 419 ; Absorption of Energy by the Passage of an 

 Alternating Current through a Gas at Atmospheric 



, Pressure, A. Chassy, 419 ; New Model Balance for the 

 Determination of Magnetic Fields, Pierre S^ve, 419 ; 

 Fortschritte der Chemie, Physik, und physikalischen 

 Chemie, 425 ; Death of Dr. G. F. Barker, 434 ; Obituary 

 Notice of, 464 ; Photo-electric Fatigue, Dr. Ullmann, 

 438 ; Direction of. Motion of an Electron ejected from an 

 Atom by Ultra-violet Light. Dr. R. D. Kleeman, 446 ; 

 Mobilities of the Ions produced in Air by Ultra-violet 

 Light, A. LI. Hughes, 448 ; Flow of Water in Curved 

 Pipes, J. Eustice, 447; a Brush for Collecting Mercury, 

 George Winchester, 461 ; High Electrical Resistivity of 

 Alloys not due to Thermo-electric Forces set up at the 

 Points of Contact of the Constituents of the Alloys, K. P. 

 Brooks, 467; Effect of Small Traces of Moisture on the 

 Velocities of Ions generated by Rontgen Rays in Air, 

 R. T. Lattey, 477 ; Variation with Temperature of the 

 Viscosities of the Gases of the Argon Group, Dr. A. O. 

 Rankine, 477 ; Radiation in a Gaseous Explosion, Prof. 



B. Hopkinson, 477 ; Limitations of the Weston Cell as a 

 Standard of Electromotive Force, S. W. J. Smith, 478; 



I 



