Index 



w 



Acids, 3S2 ; Reaction of Ellagic and Flavellagic Acids, 

 624 



Perkin (Dr. W. H.), Memorial to, 419, 444 



Perkin Jubilee and Chemical Industries, the, Sir Henrv E. 

 Roscoe, F.R.S., 438 



Perkin (\V. H., jun.), Synthesis of Optically Active Modifi- 

 cations of A 3 -/i-Menthenol(S) and A 3 : 8 (y)'-/>-Menthadiene, 



479 



Perkin (W. H., sen.), Improved Apparatus for measuring 

 Magnetic Rotations and obtaining a Powerful Sodium 

 Light, 623 



Pernet (Dr. George), Dr. Finsen's Light-treatment of 

 Disease, 323 



Perry (Prof. John, F.R.S.), Bursaries at the Royal Col- 

 lege of Science, 32 ; Practical Science for Schools, Pre- 

 sidential Address delivered before the Physical Society 

 by, 402 



Persei, Nova, No. 2, the Spectrum of, 18; Observations of, 

 Dr. K. Graff, 305 



Perseus, Cluster of Nebulae in, Dr. Max Wolf, 448 



Petersen (Dr. C. G. J.), Development of Plaice in the 

 Baltic Sea, 35 



Pethybridge (Dr. G. H.), Causes of "Blowing" in Tins 

 of Condensed Milk, 358 



Pethyridge (G. H.), Survey of the Vegetation of the Dis- 

 trict South of Dublin, 303 



Petrography and Geology of the Igneous Rocks of the 

 Highwood Mountains, Montana, L. V. Pirsson, 376 



Petrol Car, the, Motor-Car Mechanism and Management, 

 W. Poynter Adams, 580 



Petterson (Otto), Correlation of Hydrographic, Biological, 

 and Meteorological Data, 210 



Pflanzen, Biochemie der, Prof. Dr. Fr. Czapek, F. 

 Escombe, 193 ; Corr., 341 



Pharmacology : Death of Prof. W. Mayer, 346 



Philippine Islands, Scientific Research in the, (1) Descrip- 

 tion of New Buildings, Paul C. Freer, (2), a Catalogue 

 of the Library, Mary Polk, Prof. R. T. Hewlett, 57; 

 an Ethnological Survey of the, Dr. A. C. Haddon, 

 F.R.S., 584 



Philips' Large Planisphere, H. Gewecke, 269 



Philips' Model Atlas, 484 



Phillips (Charles E. S.), Production of an Electrically Con- 

 ductive Glass, 512 



Phillips (M. C), the L'se of Wood Pulp for Paper-making, 

 397 



Phillips (P.), Magnetic Susceptibility of Iron in Colloidal 

 Solution, 455 



Phillips (Prof. R. W.), on Recent Advances in Our Know- 

 ledge of Seaweeds, 162-3 



Phillipson (Prof. Dr. A.), Geology of the West of Asia 

 Minor, 546 



Philologv : a Grammar of the Kafir Language, J. McLaren, 

 Sir H. H. Johnston, K.C.M.G., 481 



Philosophy : Things and Sensations, Prof. Stout, 1- • 

 Goethe's Philosophic aus seinen Werken, 98; Immanuel 

 Kant, Physische Geographie, 98 ; Dialogue tiber nattir- 

 liche Religion, tiber Selbstmord und L'nsterblichkeit der 

 Seele, David Hume, 98; Immanuel Kant's Kleinere 

 Schriften zur Logik und Metaphysik, 98 ; G. W. F. 

 Hegel, Encyclopadie der Philosophischen Wissenschaften 

 im Grundrisse, 98 ; Cambridge Philosophical Society, 

 11S, iqi, 455, 527, 599; Philosophic Foundations of 

 Science, Prof. Arthur Schuster, 313 ; Essays on Evolu- 

 tion and Design, Prof. John Young, 56 ; Erkenntnis und 

 Irrtum, Prof. Ernst Mach, Supp. to November 30, vii 



Phcebe, the Ninth Satellite of Saturn, Prof. W. H. 

 Pickering, 63 



Phcebe, Observations of, during 1905. 474 



Phosphorescence of Pyro-Soda Developer, T. A. 

 Vaughton, 389 



Phosphorescent Marine Animals, Prof. Mcintosh, 349 



Photography : Border occasionally seen between Light and 

 Dark Regions on Photographic Prints, Sir Oliver Lodge, 

 F.R.S., 5, 54 ; Dr. F.'j. Allen, 20; R. Child Bayley, 

 29; Photographic Star Catalogue, iS ; Halation. J. A. 

 Cobb, 54 : Nature through Microscope and Camera, 

 Richard Kerr, 104; Wild Wings: Adventures of a 

 Camera-Hunter among the Larger Wild Birds of North 

 America on Sea and Land, H. K. Job, 123 ; Instruction 

 in Photography, Sir W. de W. Abney, 124; Pictures 



from Nature, Richard and Cherry Kearton, 148; Action 

 of Wood on a Photographic Plate, Dr. William J. 

 Russell, F.R.S., 152 ; the Practical Photographer, 172 ; 

 Photographs of Jupiter's Sixth and Seventh Satellites, 

 182; Photography for the Press, 196; the British Journal 

 Photographic Almanac and Photographer's Daily Com- 

 panion for 1906, 221 ; Photographs of Solar Granula- 

 tions, Prof. Hansky, 255 ; Deutscher Kamera Almanach, 

 1906, Fritz Loescher, 318; Photography in Natural 

 Colours, 330; a New Method of Determining the Moon's 

 Position Photographically, Mr. Wade, 352 ; Die Photo- 

 graphie im Hochgebirg, Emil Terschak, 388 ; Phosphor- 

 escence of Pyro-Soda Developer, T. A. Vaughton, 389 ; 

 Photographies de la Granulation Solaire faites a Poul- 

 kowa, Prof. A. Hansky, W. E. Rolston, 401 ; Photo- 

 graphic Study of the Duration of Discharge in a 

 Crookes Tube, Andr£ Broca and M. Turchini, 431 ; 

 the Practical Photographer, No. 27, Photographic Optics 

 and Lenses, No. 28, the Optical Lantern for Projection 

 and Enlarging, 437 ; First Photographs of the Canals 

 of Mars, Prof. Percival Lowell, 453 ; Request for Prints 

 of Photographic Portraits, Dr. Francis Galton, F.R.S., 

 534 ; Photography of the Solar Protuberances with 

 Coloured Screens during the Eclipse of August 30, 1905, 

 H. Deslandres and G. Blum, 576; Death and Obituary 

 Notice of Hermann Schnaus, 589; Observations and 

 Photographs of Black and Grey Soap Films, Herbert 

 Stansfield, 597; a Large Photographic Nebula in Scorpio, 

 Prof. Barnard, 618 



Photomicrography with L'ltra-Violet Light, Photographs of 

 Diatoms taken by the Zeiss Apparatus, Designed by 

 Dr. August Kohler, Mr. Rheinberg, 287 



Fhylogeny : Die Spaltoffnungsapparat im Lichte der 

 Phvlogenie, Ein Beitrag zur " phylogenetischen Pflanzen- 

 histologie," Dr. Otto Porsch, 436 



Physical Condition of Children in Elementary Schools, Dr. 

 Kerr, 548 



Physics : Replicas of Diffraction Gratings, R. J. Wallace, 

 21; Thomas Thorp, 79; the Writer of the Note, 79; 

 Ergebnisse und Probleme der Elektronentheorie, Prof. 

 H. A. Lorentz, Dr. H. A. Wilson, 27 ; Problems in 

 Practical Physics, F. R. Pearson, 28 ; the Use of Gasoline 

 in Chemical and Physical Laboratories, J. R. Foster, 29 ; 

 Physical Society, 47, 95, 142, 357, 502, 526, 575: Prac- 

 tical Science for Schools, Presidential Address at 

 Physical Society, Prof. J. Perry, F.R.S., 402 ; Mole- 

 cular Forces and Newtonian Laws, Alex. Clark, 5.1 ; 

 Explication meVhanique de la Matiere, de l'Electricite' 

 et du Magnetisme, M. Despaux, 51 ; Death of Dr. 

 Johann Meidinger, 58 ; Influence of Phase Changes on 

 Tenacity of Ductile Metals, G. T. Beilby and H. N. 

 Beilby, 70; Impossibility of Negative Impulse Waves in 

 Gases, Gvdzo Zempl^n, 71; Influence of the Earth's 

 Rotation on Ocean Currents, W. Walfrid Ekman, 86; 

 New Determination of the Mass of a Cubic Decimetre 

 of Pure Water, H. Buisson, 86; Convection Effects in 

 a Heated Liquid, C. H. Burgess, 143 ; the Movements 

 of Diatoms caused by the Evolution of Gas, Daniel D. 

 Jackson, 159 ; the Stability of Motion of Viscous Liquids, 

 F. R. Sharpe, 159; the Accurate Measurement of Ionic 

 Velocities, Dr. R. B. Denison and Dr. B. D. Steele, 

 166 ; Radio-activity of Ordinary Matter in Connection 

 with the Earth's' Internal Heat, Hon. R. J. Strutt, 

 F.R.S., 173 ; the Physical and Chemical Properties of 

 Iron Carbonyl, Sir James Dewar and H. O. Jones, 188 ; 

 an Acoustical Method for the Demonstration of the 

 Magnetism of Liquids, T. Terada, 197; Dewar 's Method 

 of Producing High Vacua by Means of Charcoal, Lord 

 Blythswood and H. S. Allen, 207 ; Physical and Chemical 

 Properties of Solutions of Chloroform and other Anaes- 

 thetics, Prof. B. Moore and Dr. Herbert E. Roaf, 213; 

 Physics of Ore Flotation, J. Swinburne and Dr. G. 

 Rudolf. 214; the Analytical Theory of Light, J. Walker, 

 241 ; Kristallinische FlusMgkeiten und flussige Kristalle, 

 Rudorf Schenck, 242 ; Heat a Mode of Motion, Charles 

 E. Benham, 246 ; Fluorescence, G. Camichel, 277 : 

 Elongation of Wires by Flexion, MM. Bouasse and 

 Berthier, 277; Higher Mathematics for Students of 

 Chemistry and Physics, with Special Reference to Prac- 

 tical Work, Dr. J. W. Mellor, 290; Science and Hypo- 

 thesis, Prof. H. Poincare\ Prof. Arthur Schuster, F.R.S., 



