Index 



\.j.: 



Pernter (Prof. J. M.)> Polarisation of Light in Cloudy .Media 

 and their connection with the Blueness of the Sky, 441 



Peroxide of Hydrogen, on Paper and. Dr. \V. J. Rusiell, F. R.S., 

 200 



Persian War, the Great, and ts Preliminaries, G. H Cirundy, 



434, 561 



Perseus, the New Star in. Sir Norman Lockyer, K C.B. , 

 F.R.S.,ii2; Nebulosity surrounding Nova Persei, 38, 475 ; 

 the Distance of Nova Persei, W. E. WiLson, F.K.S., 198, 

 298; the Photographs of Nova Persei, Sir Norman Lockyer, 

 K.C.B., F. R.S., 133 ; Stars near Nova Per.sei, 210 



Persistence of the Direction of Hair in Man, Dr. Walter Kidd, 



344 



Perrine (Prof. C. D.^, Disturbance of Corona in Neighbourhood 

 of Prominences, 351 



Perrotin (M), the Perseids of 1901, 95 



Perry (Prof. John, F.R.S.), the Misuse of Coal, 464, 5S6 ; the 

 Teaching of Mathematics, 484 



Petaval (J. E. ), on the Measurement of High Explosive Pres- 

 sures, 1 19 



Fetch (T.), Rearrangement of Euclid, Book L, Part i., 559 



Petrie(Prof. Flinders), Modern Increase in the E.spectation of 

 Life, 521 



Petroleum Field near Naples, a Possible New, R. T. Giinther, 

 152 



Petrology of British East Africa, G. T. Prior, 549 



Pflanzen, Studien ii.d. Milchsaft v. Scfileimsalt der. Prof. Dr. 

 Hans Molisch, 532 



Pharmacy : Phatmacopedia, a Commentary on the British 

 Pharmacopeia, 1S98, Edmund White and John Humphrey, 

 197 ; Death and Obituary Notice of William Martindale, 

 348 



Phase-rule, die heterogenen Gleichgewichte vom .Standpunkt 

 der Phasenlehre, H. W. Bakhuis Roozeboom, 197 



Phenological Observations for 1901, 406 



Philippines, Living Nautili from the, Prof. Bashford Dean, 13 



Phillips (W. B. ), Texas Mineral Survey, Report on Sulphur, 

 Oil and Q)uicksilver in Trans- Pecos, 594 



Philology ; On Traces of an Indefinite Article in Assyrian, R. 

 Campbell Thompson, 412 



Philosophy : Proceedings of the Aristotelian .Society, 78 ; the 

 Ballads and Shorter Poems of p'rederick V. Schiller, 151 ; 

 Philosophy and Psychology, Dictionary of, J. M. Baldwin, 

 173 ; Annalen der Naturphilosophie, 283 

 honetics, Experimental, Prof. John G. McKendrick, F.R.S., 

 182 . 

 P hotography : Photography for Naturalists, D. English, 33 ; 

 Photographs of Nova Persei, Sir Norman Lockyer, K.C.B., 

 F.R.S., 133: Photographic Cameras and Accessories, 151; 

 Spectra of Bright .Southern Stars, Photographed with the 

 13 inch Boyden Telescope as a Part of the Henry Draper 

 Memorial, Annie J. Cannon, A. Fowler, 155 ; Asteroid-Orbit 

 of Great Eccentricity, 161 ; on Paper and Peroxide of 

 Hydrogen, Dr. W. J. Russell, F.R.S., 200; Leitfaden der 

 Landschafls-Photographie, Fritz Loe.scher, 221 ; Photographs 

 of Snow Crystals, 234 : The British Journal Photographic 

 Almanac, 1902, 244 ; Elementary Telephotography, Ernest 

 Marriage, 244 ; Motion of Fluids Studied by Photography, 

 M. Marey, 397 ; Photography of Subterranean Places, 398 ; 

 Conditions to be realised in the Execution of Negatives to 

 obtain Homogeneity and the Maximum of Exactitude in the 

 Determination of the Coordinates of Stellar Images, M. 

 Ltewy, 407 ; Apparatus for Measuring Differences of Longi- 

 tude with the Aid of Photography, G. Lippmann, 407 ; 

 Photographic Determination of Longitude, G. Lippmann, 

 423 ; Finishing the Negative, 437 ; Selection of Subject in 

 Pictorial Photography, W. E. Tindall, 483 ; Photography of 

 Disturbances in Air, the, H. S. Allen, 574 ; New Patterns of 

 "Kodaks," 574; Varying Degrees o( Actinism of the X 

 Rays, J. O. Heinze, 600 ; the Relative Number of -Star 

 Images Pholographed in Different Parts of a Plate, Prof. 

 Turnei, 602 



Phylhiglossum, Preliminary Account of the Proihallium of, 

 A. P. W. Thomas, 214 



Physical Geography : the Relation of certain Breccias to the 

 Physical (icography of their Age, Prof. T. G. Bonney, 

 F.R.S., 405. 



Physics : A Curious Flame, Prof. Arthur Smithells, F.R.S. , 4; 

 Herbert King, 4; Douglas Carnegie, 54; Intermediate I'rac- 

 lical Physics, J. B. Wilkinson, 29 ; Die Parliellen Difl'erential- 



gleichungen der mathematischen Physik, Hcinrich Weber, 30; 

 Annales de I'Observatoire meleorologique physique et glaciairs 

 du Mont Blanc, J. Vallot, 31 ; I'hysical Society, 46, 93, 166, 

 309, 382, 429, 476, 579 ; Numerical Value of " Characteristic " 

 of Water, J. M. Gray, 47 : Curso F^lemental de Fisica 

 Moderna, Dr. R. I'edro Marcolain San Juan, 53 ; Elementos 

 de Fisica Moderna, Dr. R. Pedro Mareol.iin San Jnan, 53 ; 

 Effect of a Magnetic Field on Spectra of Helium and 

 Mercury, Prof. Andrew Gray, F. R S. , and Dr. Walter 

 Stewart, 54; Phenomena of Combination of Hydrogen and 

 Chlorine Under Influence of Light, P. V. Bevan, 72 ; Red 

 (C), Line of Hydrogen and the Zeeman Effect, Lord Blyths- 

 wood and H. S. Alien, 79 ; the Temperature of Inversion of 

 the Joule-Kelvin Effect for Hydrogen, K. Olszewski, 576; 

 Physical Determinations, W. R. Kelsey, 78 ; Measurement 

 of Voung's Modulus, Prof. W. Cassie, 93 : Experimental 

 Demonstration on the Pres,sure ot Light, Prof. Lebedew, 

 no; on the Measurement of High Explosive Pressures, J. E. 

 Petaval, 119; Experiments to Detect the Effect Depending 

 on the Relative Motion of the Earth and Ether, Dr. F. T. 

 Trouton, F.R.S.. 142 ; Trattato Elementare di Fi-ica, Optics 

 and Electricity, Oreste Murani, 151 ; on the Extension of the 

 Lagrangian Equations to Systems Involving any Number of 

 Independent Variables, Dr. Leo Konigsberger, 159 : the Inert 

 Constituents of the Atmosphere, Prof. W. Ram.say, F.R.S., 

 at the British Association at Glasgow, 161 ; on Circular 

 Filaments or Circular Magnetic Shells P'quivalent to Circular 

 Coils, Prof. J. R. Lyie, 166 ; the Negative Radiation from 

 Hot Platinium, O. W. Richardson, 191 ; Practical Exercises 

 on Sound, Light and Heat, J. S. Dexter, 197 ; or. a Petro- 

 leum Ether Thermometer for Use at Extremely Low Tem- 

 peratures, L. Baudin, 215 ; on a New .Application of Opticaf 

 Observations to the Study of DifTusion. J. Thovert, 215 ; 

 a Model Geyser, A. E. Munby, 247 ; Production of Ether 

 Disturbances by Explosions and by the Motion of Masses of 

 Matter, F. E. Nipher, 264 : Ultimate Constitution of Matter 

 and Ether, F. Eraser, 335 ; Change of Pitch in Certain .Sounds 

 with Distance, Frederick M. West, 129; Dr. D. van Gulik, 

 174 ; Paul R. Heyl, 273 ; R. Freeman, 317 ; Elementare 

 Mechanik als Einleitung in das Studium der '1 heoretischen 

 Physik, W. Voight, 293 ; the Validity of the lunisation 

 Theory, Louis Kahlenberg, 305 ; Dr. H. M. Dawson, 414; 

 Introductory Physics for Irish Intermediate Schools, R. A. 

 Gregory and A. T. Simmons, 343 ; Essais sur la Philosophic 

 des Sciences, Analyse, Mecanique, C. de Freycinet. 341 ; 

 the Thermal Measurement of Energy, E. H. Griffiths, F.R.S., 

 342 ; the Fitzgerald-Loreniz Effect, Prof. W. M. Hicks, 

 F.R.S., 343; the History of Fahrenheit's Thermometer, Sir 

 Samuel Wilks, F.R.S., 348 ; Gilbert S. Ram, 391 ; Sedimen- 

 tation Experiments, Prof. J. Joly, F.R.S., 359; Advanced 

 Exercises in Practical Physics, Prof. Arthur Schuster and 

 Dr. C. H. Lees, 364 ; the Specific Volumes of Oxygen and 

 Nitrogen Vapour at the Boiling-point of Oxygen, Prof. James 

 Dewar, F.R.S., 382; Motion of Fluids Studied by Photo, 

 graphy, M. Marey, 397 ; Mechanical Action of Gelatine on 

 Glass, L. Cailletet, 407 ; Ueber Angewandte Mathematic und 

 Physik in ihrer Bedeutung fiir den Unterricht an den 

 HiJheren Schulen, Nebst Erlauterung der Beziiglichen 

 Gottinger Universitatseinrichtungen, F. Klein and E. 

 Riecke, 412 ; Identity of Negative Ions Produced in 

 Various Ways, John S. Townsend, 413 ; the ICxperi- 

 mental Study of Gases, Morris W. Travers, 461 ; Hal) 

 Effect in Gases at Low Pressures, 11. A. Wilson, 550 ; 

 the National Physical Laboratory, 466, 4S7 ; Molecular 

 Surface Energy of Some Mixtures of Liquids, Prof. W. 

 Ramsay, F.R.S., 479; .Solvent Denudation in Fresh Water 

 and Sea Water, Prof. John Joly, F.R.S., 479: Der Natur- 

 wissenschaflliche Unterricht in England, insbe.^ondere ir> 

 Physik und Chemie, Dr. Karl T. Fisher, 4S1 ; Rotation of a 

 Lamina Falling in -Mr. A. Mallock, 510; Method for 

 finding the \'elocity of Underground Water, Prof. Slichter, 

 51S ; an Elementary Treatise on the Calculus, with Illustra- 

 tions fron ■ Geometry, Mechanics and Physics, George A. 

 Gibson, I'rof. George M. Minchin, F.R.S., 530; Coefficient 

 of Refraction of Ethyl Ether in the Vicinty of the Critical 

 Point, Prince B. Galitzin, J. Willip. 546 ; Method of 

 Calculating Solubilities and the Equilibrium Constants of 

 Chemical Reactions and on a Formula for the Latent Heats 

 of Vaporisation, -Alexander F'indlay, 547 ; Les Theories 

 Electriqucs de J. Clerk Maxwell, Etude Historique et 



