December 8, 1904J 



Index 



Pellini (G.), Chemical Actions produced by Radium, 633 

 I'endleburv (Cliarles), New School Arithmetic, 478 

 Perez (J. A.), an Interesting Meteor Trail, 205 

 Perfunierv, Odoriferous Substances Used in, Prof. R. 



Meldola, F.R.S., 597 

 P^ringuey (L. ), Descriptive Catalogue of the Coleoptera 



of South Africa, 625 

 Perkin (A. G.), the Colouring Matter of the Flowers of 



hutca jrondosa, 239 ; Cyanomaclurin, 239 ; a Constituent 



of Java Indigo, 239 

 Perkin (Dr. F. M.), Electrolytic Oxidation of .\nthracine, 



Perkin (\V. H., jun.), Synthesis of Inactive Terpineol Di- 



penl;ine and Terpin Hydrate, 47 

 Perman (Dr. E. P.), the Decomposition of .\mmonia by 



Heat, 23S ; the Spontaneous Scintillations of Hexagonal 



Blende, 424 

 Pernier (\.), -Assimilation of Sugars by the Higher Plants, 



47'> 



Perrot ( F. L.I, the Melting Point of Gold, 14 



Perrotin (Henry), the Fall of Perseids in 1904, 47b; Observ- 

 ations of the Recent Perseid Shower, 512 



Perrott (Rev. .\. D.), a New Trigonometry for Schools, 

 47S 



Perry (Prof. John, F.R.S.), Entropy, 55 ; 9^ Lines of Total 

 Heat, 100 



Perrycoste (F. H.), the Striped Hawk-moth, 389; Rare 

 Moths in England, 506 



Perseid Shower, Duration of the, W. F. Denning, 160 ; 

 the Perseid Meteoric Shower of 1904, W. F. Denning, 

 416; Observations of the Recent, Henri Perrotin, 512; 



E. S. Martin, 536 ; \V. Wetherbee, 536 

 Persimmon Creek Meteorite, the, 308 



Personality of the Physician, the. Dr. Alfred T. Schofield, 

 246 



Pertz (D. F. M.), on the Statolith Theorv of Geotropism, 

 165 



Petit (Joseph), the Electrolytic Solution of Platinum, 47; 

 Influence of the Density of the Current in Electrolysis 

 with .Mternating Current, 312 



Petit (P.), .\ction of Heat and .\cidity on Dissolved .lAmylase, 

 240 



Petrie (Prof. W. M. Flinders), Methods and Aims in 

 Archeology, 31 ; Entomology of Scarabs, 561 ; Com- 

 parative Study of the Forms of the Roman Lamps and 

 Terra-cotta Figurines, 561 : Excavations at Ehnasya, 565 



Petroleum Industry, the Oil Fields of Russia and the 

 Russian, \. Beeby Thompson, 525 



Pfeffer (Prof. \V.), the Physiology of Plants, a Treatise 

 upon the Metabolism and Sources of Energy in Plants, 

 242 



Pflanzenphysiologie, \ orlesungen iiber. Prof. Ludwig Jost, 

 242 



Philippines, a Story of the, 248 



Philology : Place-names of Scotland, James B. Johnston, 

 292 ; Celtic Place-names, Joseph Meehan, 454 ; the Re- 

 viewer, 454; Misuse of Words and Phrases, E. S., 577; 



F. Escombe, 603 ; -A. B. Bassett. 627 



Philosophy : Cambridge Philosophical Society, 71, 142 ; 

 Dissertations on Leading Philosophical Topics, Alexander 

 Bain, 79 ; an .-Autobiography, Herbert Spencer, 265 ; the 

 Nature of Man, Studies in Optimistic Philosophy, E. 

 Metchnikoff. 394 ; Transactions of the South African 

 Philosophical Society, vol. xiii., Descriptive Catalogue of 

 the Coleoptera of South .Africa, L. P^ringuey, 625 



Phisalix (C), Causes of Natural Immunity of Snakes, 168 



Phoebe, Saturn's Ninth Satellite, Prof. E. C. Pickering, 

 308, 3^4: Position of. Prof. Barnard, 536; Prof. W. H. 

 Pickering, 634 ; Visual Observations of. Profs. Barnard 

 and H. H. Turner, 5.S4 



Photography : .Application of Natural Colour Photography 

 to the Prodjction of Lantern Slides of Spectra, E. Sanger- 

 Shepherd, 68 ; Colour Photographs shown bv Spectrum 

 Colours, Sir W. de AV. .Abney, K.C.B., F.R.S., 68; New 

 Method of Photography in Colours, Auguste and Louis 

 Lumi^re, 143 ; the Water-colour Drawings of J. M. W. 

 Turner, R..A., in the National Gallery, T. .A. Cook, 

 Chapman Jones, ?s.S. ^1^'- Three-colour Photography, 

 -A. F. von Hubl, Chapman Jones, 553, ^78 ; Photography 

 in Colours, R. C. Bayley, Chapman "jones, 5:^3, 578'; 

 Recent Improvements in the Diffraction Process of Colour- 



photography, Prof. R. AV. AA'ood, 614 ; Colour Photo- 

 graphs obtained by the Interference Method without the 

 -Mercury Mirror, E. RothiS, 620 ; Telephoto-work, G. H. 

 Deller, 197,- Dr. Steinheil's L'nofocal (or Unifocal) Photo- 

 graphic Objective, Conrad Beck, 202 ; Practical Slide 

 Making, G. T. Harris, 222 ; the Solar Parallax as Deter- 

 mined from the Eros Photographs, Mr. Hinks, 256; 

 Photographic Determination of Parallax, Frank 

 Schlesinger, 634 ; Electrische Fernphotographie und 

 .Aehnliches, Dr. .Arthur Korn, 280 ; Revision of the Cape 

 Photographic Durchmusterung, 354 ; Photographic 

 Chemicals and How to Make them, W. Taylor, 365 ; 

 .Action of Metals on Photographic Plates, Prof. J. Joly, 

 F.R.S., 395 ; Photographic .Magnitudes and Places of 350 

 Pleiades Stars, Mr. Dugan, 447 ; the .Action of AVood on 

 a Photographic Plate in the Dark, Dr. AVilliam J. Russell, 

 F.R.S., at Royal Society, 521 ; Photo Printing, Hector 

 Maclean, 528; the Royal Photographic Society's Annual 

 Exhibition, 532 ; the Cirain in Photographic Films, R. J. 

 AA'allace, 571 ; Comparison of the Intensities of Photo- 

 graphic Stellar Images, 610; the Photographic Reference 

 Book, 625 ; Toning Bromides and Lantern Slides, C. 

 AA'inthrope Somerville, 625 ; the Moon, a Summary of the 

 Existing Knowledge of our Satellite, with a Complete 

 Photographic -Atlas, Wm. H. Pickering, Supp. to 

 May 5, xi 



Physical Deterioration, Report of the Inter-departmental 

 Committee on, 347 ; its Causes and the Cure, A. AA'att 

 Smyth, Sir Hugh R. Beevor, Bart., 363 



Physical Geography : New Physical Geography, Ralph S. 

 Tarr, 29 ; the Colossal Bridges of Utah, 353 ; .Alteration 

 of Level of the Mediterranean, Ph. Negris, 360 



Physician, the Personality of the, Dr. .Alfred T. Schofield, 246 



Physics : Die Dissoziierung und LImwandlung chemischer 

 .•Atome, Dr. Johannes Stark, 4 ; Death of Prof. Charles 

 Soret, II, 107; Obituary Notice of. Prof. R. Gautier, 

 251 ; Normal Piling as Connected with Osborne Reynolds's 

 Theory of the Universe, Prof. J. D. Everett, 22 ; Normal 

 Piling, Prof. J. D. Everett, 1557; Physical Society, 22, 71, 

 142, 213, 239 ; a Simple Method of Showing Vortex Motion, 

 P. E. Belas, 31; Robert E. Doran, 15S ; Compressibility 

 of Solids, J. A'. Buchanan, F.R.S., 4^ ; Experiments on 

 Lubrication showing Cavitation, S. Skinner, 691 Elec- 

 tricity and Matter, Prof. J. J. Thomson, Sir Oliver Lodge, 

 F.R.S., 73 : the Effects of Changes of Temperature on 

 the Modulus of Torsional Rigidity of Metal Wires, Dr. 

 Frank Horton, 93 ; Hi> Lines of Total Heat, Prof. John 

 Perry, F.R.S., 100; Physical and Chemical Properties of 

 Solutions of Chloroform in Water, &c., Benjamin Moore 

 and Herbert E. Roaf, 117; Relation of the Index of Re- 

 fraction of .Air to the Density, Dr. Luigi Magri, 129 ; 

 Fused Steatite for Production of Fibres of very Small 

 Elastic Fatigue Suitable for Suspensions, K. E. Guthe, 

 132 ; Effect of Screening on lonisation in Closed Vessels, 

 A. AA'ood, 142 ; Effect of a Magnetic Field on the Vibra- 

 tions of an Atom Containing Six Corpuscles placed at 

 the Corners of a Regular Octahedron, Prof. Thomson, 

 142 ; .-Ether and Matter, Prof. J. Larmor, 142 ; Coherence 

 and Re-coherence, Dr. P. E. Shaw and C. A. B. Garrett, 

 142 ; New Regulator allowing of Control of A'acuum in 

 Crookes's Tube, M. Krouchkoll, 143 ; a Preliminary 

 Course of Practical Physics, C. E. Ashford, 151 ; Residual 

 .Affinity, Sir Oliver Lodge, F.R.S., 176, 319: Prof. Percy 

 F. Frankland, 222; Spencer Pickering, F.R.S., 270; 

 Changes in Concentration of Solutions under Influence 

 of Centrifugal Forces, M. van Calcar and Lobry de Bruyn, 

 186; Origin and Growth of Ripple Mark, Airs. Hertha 

 Ayrton, 206: Method of Measuring Directly High Osmotic 

 Pressures, Earl of Berkeley and E. G. J. Hartley, 213; 

 an Early Mercury Pump, Prof. Herbert McLeod, F.R.S., 

 223 ; the Structure of Water Jets and the Effect of Sound 

 Thereon, Philip E. Belas at the Royal Dublin Society, 

 232 ; the Memorial to Sir George Gabriel Stokes, F.R.S., 

 247 ; Measurement of Stress bv Thermal Methods, Dr. 

 E. G. Coker. 262 ; Front and Rear of a Free Procession 

 of AA'aves in Deep AA'ater, Lord Kelvin, 263 : Ready Refer- 

 ence Tables, Carl Hering, 269 ; Escape of Gases from the 

 Earth's .Atmosphere, Dr. Johnstone Stoney. 2S6 ; .Appli- 

 cation of the Kinetic Theory to Gases, A'apours, and 

 Solutions, W. P. Boynton, 20, : Handbuch der Physik, 

 Dr. \. AA'inkelmann, 295 : Octopolarity and A'alence, 



