March 25, igogj 



Index 



Poor (Prof. Charles Lane), the Hgure of the Sun, 260 

 Porter (A. \V.), Electric Splashes on Photographic Plates, 



H7 

 Porter Catalogue, Determination of the Apex and Vertex 



from the Stars in the, S. Beljavvsky, 410 

 Postgaie (Dr. J. P.), Flaws in Modern Classical Research, 



Potato, the Origin of the, Charles T. Druery, 205 



Potato Black Scab, Prof. T. Johnson, 67; Prof. F. E. 

 Weiss, 98 



Potter (Prof.), Method for Checking Parasitic Diseases in 

 Plants, 436 



Pottery, Prehistoric, in America, C. B. Moore, 265 



Poulton (Prof. E. B., F.R.S.), Essays on Evolution, 1S89- 

 1907, 302 



Power, Natural Sources of, R. S. Ball, 4 



Preble (E. H.), Natural History of the Athabasca, Mac- 

 kenzie Region, 257 



Prehistoric Pottery in America, C. B. Moore, 265 



Prescott (Prof. S. C), Elements of Water Bacteriology, with 

 Special Reference to Sanitary Water Analysis. 6 



Priest (Walter B.), a Scheme for the Promotion of Scientific 

 Research, 345 



Priestley (J. G.), Action of L'rethanc on Esters of Organic 

 Acids and Mustard Oils, 509 



Pring (J. N.), .Some Electrochemical Centres, 463 



Pritchett (Henry), the Relations of Christian Denominations 

 to Colleges, 249 



Prize Awards of the Paris Academy of Sciences for 1908, 

 201 



Prize Subjects proposed by the French .Academy of Sciences 

 for the Year 19 10, 232 



Proteins, the Chemical Constitution of the. Dr. R. H. .Aders 

 Plimmer, 275 



Psychology ; Psychology of Pleasure and Pain, Prof, Max 

 Meyer, in; Grundlinien der Psychologic, Dr. Stephan 

 Witasek, William Brown, 157; the Psychology and Train- 

 ing of the Horse, Count E. M. Cesaresco, 158 ; Arcana of 

 Nature, Hudson Tuttle, 220; Relations of Comparative 

 Anatomy to Comparative Psychology, Dr. Ludwig 

 Edinger, 317; Human Speech, a Study in the Purposive 

 Action of. L'^'ing Matter, N. C. Macnamara, 338; V'dlker- 

 psychologie, eine Untersuchung der Entwickelungsgesetze 

 von Sprache, Mythus und Sitte, Wilhelm Wundt, 361 ; 

 das Geschlechtsleben in der Vblkerpsychologie, Otto .Stoll, 

 361 : the Origin and Development of the Moral Ideas, E. 

 Westermarck, Prof. A. E. Taylor, 481 ; Death of Prof. 

 Victor Egger, 495 ; Galvanometric Deflections ascribed to 

 Psychological Processes in Man, 4q7 



Purser (Prof. F.), the ^Ether Stress of Gravitation, 24 ; 

 Gravitation Stress of /Ether, 179 



Purvis (J. E.), Radiation of Various Spectral Lines of Neon, 

 Helium, and Sodium in a Magnetic Field, 178 ; Absorp- 

 tion Spectra of Solid Tetramethyl Picene and of its Solu- 

 tions, 509 ; .Absorption Spectra of Mesitylene and Trichloro- 

 mesitylene, 509 ; Absorption Spectra of Concentrated and 

 Diluted Solutions of Chlorophyll, 509 



Putnam (G. R.), Nautical Charts, 365 



Quain's Elements of Anatomy, 93 



Qualitative Analyse vom Standpunktc der lonenlehre. Dr. 



Wilhelm Bbttg'er, 186 

 Qui^nisset (M.), Comet Morehouse, 19081;, 80 ; Acceleration 



of Matter in the Tail of Morehouse's Comet, 200 



Rabourdin (L.), Comet Morehouse, 1908c, 48 ; Photographs of 

 the Morehouse Comet, 29 



Races, Relation between Record Times and Distances for 

 Different, Prof. A. E. Kenelly, 107 



Radiation of Various Spectral Lines of Neon, Helium, and 

 Sodium in a Magnetic Field, J. E. Purvis, 178 



Radiography : the Nature and Charge of the a-Particles 

 from Radio-active Substances, Prof. E. Rutherford, 

 F.R.S., 12 ; Rate of Production of Helium from Radium, 

 Sir James Dewar, F.R.S., 28; Some Properties of the 

 Radium Emanation, Prof. E. Rutherford, iig; .Apparent 



Decay of Radium, Sir William Ramsay, K.C.B., F.R.S., 

 129 ; Action of Radium Rays on Developing Plants, Prof. 

 C. S. Gagee, 292 ; the Radiation of the Active Deposit 

 from Radium through a V'acuum, S. Russ and W. 

 Makower, 340; Volatility of Radium A and Radium C, 

 W. Makower, 359; the Radium Institute, 400; Emission 

 and Transmission of Rbntgen Rays, G. W. C. Kaye, 

 28 ; X-Rays of High Penetration obtained by Filtration, 

 H. Guilleminot, 389 ; Method of Protection from Injurious 

 Effects of X-Rays, Mackenzie Davidson, 4C15 ; a Remark- 

 able Development in X-Ray Apparatus, 472 ; Secondary 

 Rbntgen Radiation from Air and Ethyl Bromide, J. A. 

 Crowther, 509 ; Application of Geometrical Principles to 

 Practical Radiography, .M. Contrcmoulins, 30; Influence of 

 Pressure on the lonisation produced in Gases by the X- 

 Rays, the Saturation Current, E. Roth^, 59 ; the Nature of 

 7 Rays, J. P. V. Madsen, 67 ; Radio-activity of the Gases 

 from the Thermal Water of Uriage (Is^re), G. Massol, 89 ; 

 a Disclaimer, Frederick Soddy, 99 ; Chas. H. Walter, 

 130; Radio-activity of the Soil, F. Bordas, 119; Photo- 

 electric Properties of Potassium-Sodium Alloy, Dr. 

 Fleming, 146; Radio-activity of Rubidium, N. R. Camp- 

 bell, 148 ; Ratio of Charge to Electrons, A. Cotton and 

 P. Weiss, 149 ; the Radio-active Substances, W. 

 Makower, 157 ; Arrangement for securing Unidirectional 

 Current through Tube, F. R. Butt and Co., 168; Effect 

 of Pressure on the lonisation produced by Rbntgen Rays 

 in Different Gases and Vapours, J. A. Crowther, 178; 

 \''ariation of the Relative lonisation produced by Rbntgen 

 Rays in Different Gases with the Hardness of the Rays, 

 J. A. Crowther, 178; \'alue of the Quotient Electric 

 Charge by Mass for the Kathode Rays, Dr. J. Classen, 

 200 ; Radio-active Changes in the Earth, Hon. R. J. 

 Strutt, F.R.S., at Royal Institution, 20b; Diffusion of 

 Actinium and Thorium Emanations, S. Russ, 209 ; Pro- 

 posed .Standard for Measurement of Radio-activity, 226 : 

 Treatment of Deep-seated Tumours by the Action of 

 Radiant Matter, E. de Bourgade la Dardye, 269 ; Sug- 

 gested Standard of Radio-activity, Prof. H. N. -McCoy, 

 350 : the Product and Ra\"s of Llranium X, Frederick 

 Soddy, 366 ; on the Radio-active Deposits from Actinium, 

 Prof. J.' C. McLennan, 487 

 Radium : Apparent Decay of Radium, Sir William Ramsay, 

 K.C.B., F.R.S., 129; the Radiation of the Active Deposit 

 from Radium through a Vacuum, S. Russ and W. 

 Makower, 340 ; Radium in the Earth, Percy Edgerton, 

 341 ; the Radium Institute, 400; the Boiling Point of the 

 Radium Emanation, Prof. E. Rutherford, F.R.S., 457; 

 sec also Radiography 

 Railway Locomotive, the, \"aughan Pendred, 305 

 Railways, Electrification of, 431) 

 Raman (C. V.), Dubern's Method of Illumination in Micro- 



scopv, 17 

 Ramsa'y (Sir William, K.C.B., F.R.S.), Do the Radio-active 

 Gases (Emanations) belong to the Argon Series? 23; 

 Apparent Decay of Radium, 129 

 Ranclaud (A. B. B.), Discharge of Electricity from Glowing 

 Carbon, 119; Discontinuity of Potential at the Surface of 

 Glowing Carbon, 420 

 Rasmussen (Knud), the People of the Polar North, 311 

 Rats and Plague, Dr. Ashburton Thompson, 436 

 Rawles (W. H.), New Double Condenser, 409 

 Rawson (Col. H. E.), Colour Changes in Flowers produced 



by Controlling Insolation, 86 

 Ray (Saradaranjan), Euclid Simplified in Accordance with 

 tiie New University Regulations, with Additional Proposi- 

 tions and Numerous Examples, 277 

 Rayleigh (Lord, O.M.), Tidal Bores, 267 

 Read (Prof. Carveth), the Metaphysics of Nature, 248 

 Read (Dr. C. Stanford), Fads and Feeding. 24S 

 Rebi^re (G.), Chemical Composition of Colloidal Silver, 



4S0 

 Reeks (Margaret), Hints for Crystal Drawing, 97 

 Reform of Zoological Nomenclature, Cyril Crossland, iqo 

 Refraction, the Anomalies of, Fr. Nusl and J. J. Fric, 



469 

 Refraction due to Jupiter's Atmosphere, M. Chevalier, 



143 ; E. Esclan^on, 143 

 Refrigeration : the Mechanical Production of Cold, J. A. 

 Ewing, 4S4 



