J'>:y 



Nature, -] 

 1909J 



Index 



Philology : the Two Living Secret Languages Current in 

 Ireland, Shelta and Beurlagar na Saor, Prof. Meyer, 106 



Philosophy : Death and Obituary Notice of Prof. H. 

 Ebbinghaus, 14 ; the Grammar of Life, G. T. Wrench, 

 426 ; American Philosophy ; the Early Schools, Prof. 

 J. W. Riley, 489 



Phin (John), the Evolution of the Atmosphere as a Proof 

 of Design in Creation, 216 



Phonautograph, the Gramophone as a. Prof. John G. 

 McKendrick, F.R.S., 18S 



Photoelectricity : Part played by Impurities in the Photo- 

 electric Eflect with Liquids, Eugene Bloch, 89 



Photography : Best Conditions for Photographic Enlarge- 

 ment of Small Solid Objects, A. Mallock, 29 ; the Oil 

 and Bromoil Processes, F. J. Mortimer and S. L. Coult- 

 hurst, 07 ; the " Bromoil " Process, F. J. Mortimer, 324 ; 

 Photographs of Morehouse's Comet, igoSc, Rev. Joel Met- 

 calf, loS ; Photographs of the Earthshine on the Moon, 

 M. Qu^nisset, 141 ; Photographic Optics and Colour 

 Photography, including the Camera, Kinematograph, 

 Optical Lantern, and the Theory and Practice of Image 

 Formation, Dr. George Lindsay Johnson, 185 ; the 

 " Omnicolore " Plate, iqq ; Photographic Determination 

 of the Colours of the Stars, Oesten Bergstrand, 299 ; 

 Cloud Photographs from a Balloon, Dr. William J. S. 

 Lockyer, 310; Photographic Registration of Brownian 

 Trajectories in Gases, M. de Broglie, 329 ; a Standard 

 Scale of Photographic Magnitudes, Prof. Pickering, 380 ; 

 Electric Splashes on Photographic Plates, A. W. Porter, 

 348 ; Method of Testing Photographic Shutters, A. Camp- 

 bell and T. Smith, 419 ; New Mejhod of Illumination for 

 Photographic Work, the" Petrolite " Photographic Lamp, 

 A. J. Garrad, 439; National Antarctic Expedition, I90i-.f, 

 Album or Photographs and Sketches, 460 ; the Photo- 

 graphy of Coloured Objects, Dr. C. E. Kenneth Mees, 

 489 ; the Problem of Kinematographic Vision without 

 Vibrations, C. de Proszynski, 480; the Photoheliometer, 

 Prof. Poor, 503 ; Errors of Position of Images Photo- 

 graphed through Glass, Dr. Schlesinger, 503 



Photoheliometer, the. Prof. Poor, 503 



Photometric Observations at Catania, .A. Bemporad, 288 



Photometric Units, Dr. R. T. Glazebrook, F.R.S., 374 



Physics : Le(;ons de Physique g^n^rale, J. Chappuis and 

 A. Berget, 6 ; Explication michanique des Propriet^s de 

 la Mati^re, Cohfeion, .'XfTinit^, Gravitation, &-c., A. 

 Despaux, 6 ; Thermal Effects of a Musical Arc, M. La 

 Rosa, 29, 89 ; Number of Molecules in Unit Volume of 

 a Gas, P. Ghose, 39 ; Methods of High Vacua, Messrs. 

 Scheel and Heuse, 50 ; Supposed Effect of Crystallisation 

 for Modifying the Properties of the Solution of a Body 

 Resulting from the Direct Union of Two Solutions, D. 

 Gernez, 59 ; Variation of the Viscosity of a Gas with 

 Temperature, Willard J. Fisher, 77 ; Laboratory Machine 

 for .Applying Bending and Twisting Moments Simultane- 

 ously, Prof. E. G. Coker, 87 ; Physical Society, 87, 147, 

 239, 327, 419, 509 ; Death of Prof. J. W. Moore, 103 ; 

 High Hydrostatic Pressures, P. W. Bridgman, 107 ; the 

 National Physical Laboratory during 1908, too ; Experi- 

 ments on the Ignition Point of Gases by the Method of 

 Adiabatic Compression Suggested by Prof. Nernst, Prof. 

 H. B. Dixon, 119; General Physics, Dr. Henry Crew, 

 122 ; Early References to Fluorescence and Light Trans- 

 mitted by Thin Gold Films, John H. Shaxby, 128; 

 Fluorescence of Li^njim .Vc/jdri/iciim. Charles E. Benham, 

 159; Dr. O. Stapf, F.R.S., 218; John H. Shaxby, 248; 

 Laws of Heat and Transmission Deduced from E.xperi- 

 ment. Prof. J. T. Nicholson at Junior Institution of 

 Engineers, 144 ; Depression of Filament of Maximum 

 Velocity in a Stream flowing through an Open Channel, 

 A. H. Gibson, 147; the Flow of Rivers, Bouquet de la 

 Grye, 148 ; Measurements of the Coefficient of Resistance 

 of .\ir, A. Et6v^, 140 ; Cours de Physique conforme aux 

 Programmes des Certiftcats et de I'Agr^gation de Physique, 

 Optique, Etude des Instruments, Prof. H. Bouasse, 153 ; 

 Measurements of the Compressibilities of Pure 'Water and 

 of Sea-water, Dr. V. W. Ekman, 168 ; the Rate of Fall 

 of Fungus Spores in Air, Prof. A. H. Reginald Buller, 

 186: Moving Force of Terrestrial and Celestial Bodies in 

 Relation to the Attraction of Gravitation, Dr. H. Wilde, 

 209 : Death of Prof. F. L. Tufts, 224 ; .Addition to the 

 Atwood Machine, Dr. O. Kriiger, 227 ; the Physics of 



Golf, Sir Ralph Payne-Gallwey, 237 ; Specific Heat of 

 -Air and Carbon Dio.\ide at .Atmospheric Pressure, by the 

 Continuous Electrical .Method, at 20° C. and at 100^ C, 

 W. F. G. Swann, 238 ; the Wave-making Resistance of 

 Ships, T. H. Havelock, 298 ; New Automatic Mercury 

 Pump, P. Klein, 329 ; Physikalische Musiklehre, Dr. 

 Hermann Starke, 338 ; Electrons and the Absorption of 

 Light, R. .A. Houston, 33S ; Photographs showing the 

 Generation and Nature of " Explosion VVaves " in Gases, 

 Prof. H. B. Di.xon, F.R.S., 348; a New Kind of Glow 

 in V'acuum Tubes, Rev. H. V. Gill, 358; the Elements 

 of Physical Chemistry, Prof. J. Livingston R. Morgan, 

 303 ; Outlines of Physical Chemistry, Dr. George Senter, 

 363 ; Vapour-density and Smell, Dr. E. P. Perman, 369 ; 

 Photometric Units, Dr. R. T. Glazebrook, F.R.S., 374; 

 Fractionation of Crude Petroleum by Capillary Diffusion, 

 J. E. Gilpin and M. P. Cram, 409; Festschrift der Physik- 

 alisch-medizinischen Societat zu Eriangen zur Feier ihres 

 100 jahrigen Bestehens am 27 Juni, 1908, 411 ; Sitzungs- 

 berichte der Physikalisch-medizinischen Societat in Erian- 

 gen, 411 ; Practical Physics, L. M. Jones, 425; Handbuch 

 fur physikalische Schiileriibungen, Prof. Hermann Hahn, 

 425 ; Relative EfBciencies of Methods for the Production 

 of High Vacua, Drs. Scheel and Heuse, 438 ; Simple 

 Apparatus to Measure the Diffusion of Gases, LI. T. 

 Jones, 438 ; Physics of the .-Ether, P. R. Heyl, jjs ; 

 Effect of Temperature on the .Absorption of Certain Solu- 

 tions, Prof. H. C. Jones, 444 ; Internal Pressure in Gases, 

 .A. Leduc, 449 ; the Phenomenon of Intermittence of the 

 Gouffre de Poudak, E. A. Martel, 449 ; Beschrijving en 

 Onderzoek van der gyroscopischen Horizon Fleuriais 

 (Mo'del Ponthus et Therrode), L. Roosenburg, 455 ; the 

 Standardisation of Condensers, M. Devaux-Charbonnel, 

 479; Catalytic, Action Produced by Moisture, J. Meynier, 

 479; Unites Electriques, le Comte de Baillehache, Dr. 

 J. .A. Harker, 488: on the Relation of " Recoil " Pheno- 

 mena to the Final Radio-active Product of Radium, Prof. 

 J. C. McLennan, 490; Molecular Effusion and Transpira- 

 tion, Martin Knudsen, 491 ; First Report of the British 

 .Association Committee appointed for the Investigation of 

 Gaseous Explosions, with Special Reference to Tempera- 

 ture, Prof. E. G. Coker, 505 

 Physiology : the Production of Prolonged Apnoea in Man, 

 W. G. 'Royal-Dawson, 8; Dr. H. M. Vernon, 30: the 

 Nerves of the .Atrio-ventricular Bundle, J. Gordon Wilson, 

 27 ; Determination of a Coefficient by which the Rate of 

 Diffusion of Stain and other substances into Living 

 Cells can be Measured, and by which Bacteria and other 

 Cells may be Differentiated, H. C. Ross, 27 ; Cholesterol 

 in the Animal Organism, Part iii., C. Dor^e and J. .A. 

 Gardner, 28, Part iv., G. W. Ellis and J. .A. Gardner, 28 ; 

 the Origin and Destiny of Cholesterol in the Animal 

 Organism, Mary T. Fraser and J. A. Gardner, 327; 

 Are the Senses ever Vicarious? Prof. John G. McKen- 

 drick, F.R.S., 38: Effect of Heat upon the Electrical 

 State of Living Tissues, Dr. .A. D. Waller, 58 ; Ha;m- 

 agglutinins, Hsem-opsonins, and Ha^m-lysins in the 

 Blood from Diseases in Man, L. S. Dudgeon, 58; .Ab- 

 handlungen zur Physiologic der Gesichtsempfindungen aus 

 dem physiologischen Institut zu Freiburg-i-B., 125; 

 Physiological and Medical Observations among the 

 Indians of South-western United States and Northern 

 .Mexico, Ale.s Hrdlifka, 126 ; Death of Dr. .Arthur Gamgee. 

 F.R.S., 136; Obituary Notice of, 194: Penetration of 

 Pulverised Liquids into the Respiratory Tracts, M. Cany, 

 150 ; Beitrage zur Naturgeschichte des Menschen, Dr. 

 Gustav Friedenthal, Prof. G. Elliot Smith, F.R.S., 211; 

 Hypotensive Function of Choline in the Organism, Jean 

 Gautrelet, 240; Death of Dr. Gerald F. Yeo, F.R.S., 283 ; 

 Obituary Notice of, 314; Reciprocal Innervation of -An- 

 tagonistic Muscles, Note xiv., Double Reciprocal Innerva- 

 tion, Prof. C. S. Sherrington, 326; Histological Changes 

 in the Liver and Kidney after Chloroform Administered 

 by Different Channels, Dr. G. Herbert Clark, 328; 

 Microscopic Section of the .Aorta of King Menephtah, 

 S. G. Shattock, 349 : the Body at Work, Dr. Alex. Hill, 

 366 ; Death of Prof. Wilh. Engelmann, 375 ; the Urine in 

 Diseases of the Pancreas, P. J. Cammidge, 386 ; Method 

 of Estimating the Total Volume of Blood contained in 

 the Living Body, Dr. J. O. W. Barratt and Dr. W. 

 Yorke, 387 ; the Human Species, considered from the 



