Nature, "I 



ember 12, ig^jj 



Index 



191, 215, 239, 264, 28S, 312, 344, 376, 40S, 440, 464, 



4»8, 511, 53(3, S60' 5S4, bo!^. 632, 656, 679 



Paris Observatory, the. Prof. Loewy, 503 



Park (Prof. James), Geology of the Alexandra Sheet, Cen- 

 tral Otago Division, 137 



Parker (F. H.), the .Atomic Weight of Cobalt, 316 



Parsons (Hon. C. A.), Relative Merits of Turbines as 

 applied to Marine Propulsion and of Reciprocating En- 

 gines, 20S 



Paschen (Prof. F.), Measurements of Zeenian Effect in 

 Known Magnetic Fields, 475 



Patent Law, Inventors' Guide to, and the New Practice, 

 J. Roberts, 314 



Patent Office, Notes on the New Practice at the, J. Roberts, 



314 



Pathology: Studies in Pathology, 112; the Major Symp- 

 toms of H3'steria, Dr. Pierre Janet, 540; Progressus Rei 

 Botanicse, Die Fortschritte der Immunitats- und Spezifiz- 

 itiitslehre seit 1870, R. P. van Calcar, 564 



Paton (Prof. D. NoelJ, Origin of the Amniotic and Allan- 

 toic Fluids, 311 



Patton (Captain), Occurrence of the Leishman-Donovan 

 Body in the Peripheral Circulation in cases of Kalaazar 

 in Madras, 227 



Pauli (Dr. Wolfgang), Physical Chemistry in the Service 

 of Medicine, 7b 



Pawnee Mythology, the, George A. Dorsey, E. Sidney 

 Hartland, 230 



Peachey (S. J.), Trimethylplatinimethyl Hydroxide and its 

 Salts, 22 



Pearce (G.), Skiagraphy of the Human Subject, 59 



Pearl Oyster Fisheries of the Gulf of Manaar, Report to 

 the Government of Ceylon on the, W. .\. Herdman, 

 F.R.S., 271 



Pearson (Prof. H. H. W.), Botanical Excursion to the 

 Wetwitschia Desert, 558 



Pearson (Prof. Karl, F.R.S.), on Correlation and the 

 Methods of Modern Statistics, 517, 613, 662 



Peat Industries, the Irish, Dr. Hugh Ryan, 528 



Peat, its Use and Manufacture, P. R. Bjorling and F. T. 

 Gissing, 5^2 



P^cheux (H.), Thermoelectricity of Nickel, 632 



IVllat (H.), the Direct Determination of the Absolute Value 

 of the Electric Charge of a Monovalent Electrolytic Ion, 



47 

 Peregrinus's (Petrus) Epistola de Magnete, the Compass, 



Prof. S. P. Thompson, 87 

 Perkin (Dr. F. Molhvo), Reduction of some Oxides and 



Sulphides by Means of Metallic Calcium, 190 

 Perkin (Sir W. H.), Magnetic Rotation of Hexatriene, 46 

 Perkin (Sir W. H., F.R.S.), Death and Obituary Notice 



of. Dr. J. C. Cain, 276 

 Perkin (W. H., jun.). Derivatives of 7-Pyranol allied to 



Certain Derivatives of Brazilein and HjEmatein, 143 ; 



Experiments on the Oxidising Action of Hydrogen 



Peroxide, 214 

 Perman (E. P.), Chemical Reaction between Salts in the 



Solid States, 190 ; iSIolecular Weight of j3-Naphthol in 



Solution in Solid Naphthalene, 214 

 Perot {\.), New Determination of the Metre in Terms of 



Lengths of Luminous Waves, 119 

 Perseid Fireballs, W. F. Denning, 413 

 Perseids, 89, 625 ; W. F. Denning, 89, 375 ; W. Milo- 



wanov, 672 

 Perth Catalogue of Standard Stars, W. Ernest Cooke, 5S1 

 Perth Observatory (W.A.), Astrographic Catalogue Work 



at the, W. Ernest Cooke, 89, 374 

 Petavel (J. E.), Electric Furnace Reactions under High 



Gaseous Pressures, 70 ; Variation of the Pressure 



developed during the Explosion of Cordite in Closed 



Vessels, 142 ; Effect of High Temperatures on the 



.\ctivity of the Products of Radium, 460 

 Fetch (T.), Fungi infesting Tea Bushes, 39 

 Petersen (Prof. Emil), Death of, 370 



Petrie (Prof.), on the Beginnings of Iron, 462 ; Excava- 

 tions at Gizeh and Rifeh, 462 

 Petrie 's (Prof.) Excavations in Egypt, 578 

 Pptrographic Constitution of the Volcanic Massif of 



Vesuvius and Somma, A. Lacroix, 191 

 Petrography, New Zealand, Prof. Sollas, F.R.S., 303 

 Petrol Motors and Motor-cars, a Manual of, comprising 



the Designing, Construction, and Working of Petrol 

 Motors, F. .Strickland, 491 



Pettersen (O.), Resultaten af den Internationella Hafs- 

 forkningers arbcte under aren 1902— 1906, och Sveriges 

 andel dartiti, 425 



PManzenreich, das, 659 



Philip (Dr. J. C), Influence of Non-electrolytes and 

 Electrolytes on the Solubility of Gases in Water, 287 



Philippot (H.), les Observatoires astronomiques et les- 

 Astronomes, 660 



Phillips (P.), the Measurement of Nerve Force, 280 



Phillips (Rev. T. E. R.), Observations of Jupiter, 1906-7, 

 390 



Philosophy : Manchester Literary and Philosophical 

 Society, 22, 191 ; les Bases de la Philosophic naturaliste, 

 Andr(5 Cresson, 149 ; Cambridge Philosophical Society, 

 166, 310; Neinia, Denkversuche, O. K. Kremer, 172;, 

 Proceedings of the Aristotelian Society, 195 ; Ren6 

 Descartes' Philosophische Werke, 195; Herders Philo- 

 sophie, 195 ; the International Scientific Series, the Mind 

 and the Brain, Alfred Binet, 195 ; Essay on the Creative 

 Imagination, Th. Ribot, 195 ; Structure and Growth of 

 the Mind, W. Mitchell, 195 ; Studies in Humanism, Dr. 

 F. C. S. Schiller, 220 ; Lectures on Humanism, Prof. 

 J. S. Mackenzie, 220; die philosophischen Grundlagen 

 der Wissenschaften, Prof. B. Weinstein, 292 ; Vortex 

 Philosophy, or the Geometry of Science diagram- 

 matically 'illustrated, C. S. Wake, 413; the Aim and 

 .Achievements of Scientific Method, an Epistemological) 

 Essay, Dr. T. Percy Nunn, 443 ; the Alphabet of the 

 Universe, Notes for a Universal Philosophy, Gurney 

 Horner, 587 



Phoebe, Photographs of, Mr. Melotte, 555 



Phoebe, Positions of, 1898-1904, 17 



Photography of the Infra-red Solar Spectrum, M. Millo- 

 chau, 41 '; Employment of Potassium Permanganate tC' 

 remove Sodium Thiosulphate in Photography, Albert 

 Granger, 95 ; Chemical .Actions of Light, P. Villard, 

 161 ; Scientific Uses of the Kinematograph, W. F. 

 Cooper, 229; Single-plate Colour Photography, 317: a- 

 New Method of Colour Photography, 642 ; Practical 

 Telephotography, Dr. Shelford Bidwell, F.R.S.. 444: 

 Use of the Word " Telephotographv," R. Child Bayley. 

 546; Dr. Shelford Bidwell, F.R.S. , 546; Investigations 

 on the Theory of the Photographic Process, Dr. S. E. 

 Sheppard and' Dr. C. E. Kenneth Mees, 468; the Year's- 

 Photographv, 520 ; Photographs of Phoebe, Mr. Melotte, 

 551; ; the Romance of Modern Photography, Charles R. 

 Gibson, 666 



Phylogcny : Vortrage iiber botanische Stammesgeschichte 

 gehalten an der Reichsuniversitat zu Leiden, ein Lehr- 

 buch der Pflanzensvstematik, J. P. Lotsy, 561 



Physical Life of Bird's, the, C. William Beebe, 489 



Physics : the .Absorption of Gases, Vapours, and Substances 

 f'rom Solution by Solids and Amorphous Substances, Dr. 

 M. W. Travers,'24; Electrons, or the Nature and Proper- 

 lies of Negative Electricity, Sir Oliver Lodge. F.R.S., 

 Frederick Soddy, 2^; the Chemistry and Physics of 

 Dyeing, W. P. Dreaper, Walter M. Gardner, 29 ; 

 El'ementarv Science for Pupil Teachers, Physics Section, 

 W. T. Ciough, 31 : First Year's Course in Practical 

 Physics, James S'inclair, so; Theoretical and Practical 

 Mechanics and Physics, A. H. Mackenzie, 50; Junior 

 Experimental Science, W. M. Hooton, 50: Text-book 

 of Mechanics, Louis A. Martin, jun., 50; the Tutorial 

 Physics C. J. L. Wagstaff, 50; Practical Physics. 

 W.' R.' Bower and J. Satterly, 50; the School- 

 Magnetism and Electricity, a Treatise for Use in 

 Secondary Schools and Technical Colleges, based on 

 Potential' and Potential-gradient, Dr. R. H. Judc 50: 

 Mechanics Problems for Engineering Students, Frank 

 B. Sanborn, '^o; a First Course in Physics, Dr. R. A. 

 MiUikan and Dr. H. G. Gale, 50 ; a First Year's Course 

 in Geometry and Physics, Ernest Young, 54 : the Flame 

 Tube, a Simple Apparatus Capable of indicating very 

 Small Changes of Air Pressure, Ulrich Behn, jq ; Ex- 

 periments with Vacuum Gold-leaf Electrosr-oprs on the 

 Mechanical Temperature Effects in Rarefied Gases, Dr. 

 |. T. Bottomlev, F.R.S., and F. A. King, 59; the Gas 

 Constant for Perfect Gases, Philippe A. Guye. 72 : Prac- 

 tical Physical Chemistry, Dr. Alex. Findlay, 76 : Physical 



