IQOfiJ 



Index 



I'ickering (Prof. E. C), the Aims of an Astronomer, 368; 

 Plea for an International Soutliern 1 clcscope, 474 ; 

 Comet igo6e (Kopff), 499 



I'irris, the Fertilisation of, I. Henry Burkill, 296 



Piotte (Edouard), Death of, 182 ; Obituary Nolice of, 278 



Pilot Charts, New, 138 



Pjetursson (Dr. Helgi), the Crag of Iceland, 239 



Plague : Transmission of Plague by Fleas, Hon. N. C. 

 Rothschild, 616 



Pl.inclv (Dr. Max), Vorlcsungen iiber die Thoorie der 

 Wiirmestrahlung, Supp. to October 11, iii 



Planets : Observations of Satellites in 1904 and 1005, Prof. 

 R. G. .\itken, 42 ; History of the Planetary .System from 

 Thales to Kepler, Dr. J. L. E. Dreyer, 49; an Interest- 

 ing Minor Planet, Dr. Berberich, 210; Observations of 

 Jupiter in 1903 and 1905-6, Mr. Denning, 210; Observ- 

 ations of Jupiter, Mr. Denning, 525 ; Elements and 

 Ephenieris of Jupiter's Seventh Satellite, Dr. F. E. 

 Ross. 306 ; Jupiter's Seventh Satellite, Prof. Pcrrine, 

 619; Jupiter's Sixth Satellite, 595; Prof. Campbell, 524; 

 Rotation Period of Jupiter's Equatorial Region, Mr. 

 Denning, 549; Photometric Observations of Saturn's 

 Satellites, Dr. P. Guthnick, 210; Planets and Planetary 

 Observations, W. F. Denning, 282, 386; Observations 

 of Minor Planets and Comets, Prof. E. Weiss, 306 ; a 

 Newly Discovered Planetary Nebula, Prof. Barnard, 474 ; 

 the Planet Mercury, Mr. Denning, 499 ; Observations of 

 Satellites, Prof. Barnard, 499 : Occultation of a Star by 

 Venus, Dr. Downing, 575 ; Observations of the Planet 

 Mars during the Oppositions of 1894, 1896, 1898, 1901, 

 and 1003, made at Flagstaff, Arizona, Percival Lowell, 

 Dr. William J. S. Lockyer, 587 



Planisphere, a Novel, G. P. Serviss and L. Barritt, 645 



Plant-breeding, International Conference on Hybridisation 

 and, 371 



Plant Diseases, Bacteria in Relation to, Erwin F. Smith. 

 Prof. R. T. Hewlett, 294 



Plants and their Ways in South Africa, Bertha Stoneman. 

 221 



Pleiades Stars, Magnitudes and Places of 251, K. Schiller, 

 306 



Pochetlino (A.), Photoelectric Properties of Anthracene, 

 61S 



Pollock (Prof. J. A.), Hollow Lightning Conductor Crushed 

 by the Discharge, 230 



Ponca Sun Dance, the, G. A. Dorsey, 645 



Poor (Dr.), the Figure of the Sun, 210 



Porritt (G. T.), Papers on Lepidoptera, 552 



Porter (Prof. .Alfred W.), the Inversion Points of the Joule- 

 Kelvin Effect for a Fluid Passing through a Porous 

 Plug, 17; Models of .-Vtoms, 563 



Positivismus, eine Untersuchung iiber Rauni. Zeit und 

 Bcgriffe vom Standpunkt des, Eberhard Zschimmer, 533 



Pottery : la Ceramique industrielle, Chimie-Technologie, 

 .A. Granger, William Burton, 3 



Poulton (Prof. E. B., F.R.S.), the Source of the Blue Nile, 

 a Record of a Journey through the Sudan to Tsana in 

 Western .Abyssinia, and of the Return to Egypt by the 

 Valley of the Atbara, with a Note on the Religion, 

 Customs, &c., of Abyssinia, Arthur Hayes, Entomo- 

 logical .Appendi.x by, 247 ; Papers on Lepidoptera, 552 



Poultry, Inheritance in, C. B. Davenport, 583 



Poultry, Races of Domestic, Edward Brown, W. B. 

 Tegetmeier, 13 



Poverty and Hereditary Genius, a Criticism of Mr. Francis 

 Galton's Theory of Hereditary Genius, F. C. Constable, 

 330 



Powell-Cotton (Major P. H. G.), a New Specimen of the 

 Okapi, 578 



Power (F. B.), Constituents of the Essential Oil from the 



Fruit of Pittosporum imdulatum, 262 

 Pratt (.A. E. and H.), Two Years among New Guinea 

 Cannibals, 58 



Pratt (Edwin A.), the Transition in .Agriculture, 193 



Pratt (E. R.), the East Anglian Timber Willow, 86 ~ 



Pratt (Dr. H. S.), a Course in Vertebrate Zoology. Supp. 

 to October 11, viii 



Preece (Sir W. H., K.C.B., F.R.S.), on Glow Lamps and 



the Grading of Voltages, 500 

 Prehistoric Archfeology, the International Congress of 

 Anthropology and, 211 



Pressure, Osmotic, W. C. D. Whetham, F.R.S., 102 



Preventable Disease and Military Strength, 154 



Price (George McCready), Illogical Geology, the Weakest 



Point in the Evolution Theorv, 513 

 Priestley (Joseph), T. E. Thorpe, F.R.S., 378 

 Priestley (J. H.), tlie Mechanism of Carbon Assimilation 

 in Green Plants, the Photolytic Decomposition of Carbon 

 Dioxide in vitro, 627 

 Probability, Researches into the Theory of, C. V. L. 



Charlier, 187 

 Proc^d^s de Commande 4 Distance au Moyen- de I'lilec- 



tricit(5, les. Captain R^gis Frilley, 125 

 Proper Motions, Stereoscopic Measurement of. Prof. Max 



Wolf, 231 

 Proteids, Chemistry of the. Dr. Gustav Mann, 75 

 Prunier (Prof. L(5on Adrien), Death of, 414, 521 

 Psychology : the Soul as the .Sum of Reflexes, Dr. Paul 

 Kronthal, 15 ; Physiological Effects of Mental .Actions, 

 Prof. Martins, 20 ; German Congress of Experimental 

 Psychology, Dr. C. Spearman, 4"; ; the Unity of Will, 

 Studies of an Irrationalist, George Ainslie Hight, 380 ; 

 the Character of Consciousness, Prof. G. M. Stratton, 

 416; the Localisation of Functions in the Frontal and 

 Pre-frontal Regions, Flechsig and Sciamanna, 416; 

 Psychology, Dr. C. W. Saleeby, 560 ; Psychical Faculties 

 or Processes in the Higher Animals, Prof. Ivan Pawlow, 



592 

 Pueblo Ruins, Two Summers' Work in, Jesse Walter 



Fewkes, Dr. A. C. Haddon, F.R.S., 30 

 Pulle (Dr. .A.), an Enumeration of the Vascular Plants 



from Surinam, 170 

 Punga (F.), Single-phase Commutator Motors, 606 

 Punnett (R. C), Mendel's Laws of Inheritance, 475 

 Purdie (T.), the .Alkylation of J-.Arabinose, 311 

 Purser (Prof. F.), Applications of Bessel's Functions to 



Physics, 166 

 Purvis (J. E.), Influence of a very Strong Magnetic Field 



on the Spark Spectra of Palladium, Rhodium, and 



Ruthenium, 191 ; Experiments on the Band Spectrum of 



Nitrogen in a Magnetic Field of 41000 Units, 191 



Quartz Wedge, Two Modifications of the, Daniel James 

 Mahoney, 317 



Ouatercentenary Celebrations of the LIniversity of .Aber- 

 deen, the, 565 



Quebec, the Congress of .Americanists at, Dr. .A. C. 

 Haddon, F.R.S., 595 



Qu^nlsset (M.), Finlay's Comet i9o6d, 575 



Quennesson (L.), .Attack of Platinum by Sulphuric Acid, 216 



Quincke (Prof. G., For.Mem.R.S.), the Transition from 

 the Liquid to the Solid State and the Foam-structure of 

 Matter, 342 



Rabies : the Pasteur Institute, 415 



Radcllffe Observatory, Oxford, Catalogue of 1772 Stars 

 chiefly Comprised within the Zone 8s°-9o° N.P.D. for 

 the Epoch 1000, deduced from Observations made at 

 the, during the Years 1894-1903, under the Direction of 

 Prof. Arthur .A. Rambaut, F.R.S., 341 

 Radial Motion of B Arietis, the, H. Ludendorff, 135 

 Radial Velocities, Stars with Variable, J. H. Moore, 135 ; 



Prof. Frost, 135 

 Radial Velocity of € Aurigs, the Variable, Dr. H. Luden- 

 dorff, 41 

 Radial Velocity of a Draconis, H. Ludendorff, 185 

 Radiant Point of a Bright Meteor, Dr. Jih' Kavdn, 18 

 Radiants of the Perseid Shower, the, M. Wwedenski, 253 

 Radiation, Solar, Terrestrial Temperatures and the, C. G. 



Abbot, 112 

 Radiative Power of the Sun's Disc, Prof. Julius, 231 

 Radio-aciivi'v, Possible Relationship between Volcanic 



.Action and, Major C. E. Dutton. 184 

 Radio-activity, Volcanoes and. Dr. T. J. J. See, 444 

 Radioaktiven Substanzen und die Theorie des .Atom- 



zerfafles, die. Prof. Paul Gruner, 538 

 Radiobes and Biogen, i 



Radiography: the ti-Rays, Dr. P. Stefanelli, 17: Radio- 

 active Substances in the Thermal Springs of Echalllon 

 and Salins Moutiers, in Savoy, Dr. G. .A. Blanc, 40 ; 



