XXXIV 
Index 
Nature, 
/une 13, 1907 
tion of Gases from Cleveite through a Wall of Silica, 
335) 
Perry (Prof. John, F.R.S.), Bursaries at the Royal College 
of Science, London, 79; the Future in America, a Search 
after Realities, H. G. Wells, the Mathematical 
Tripos at Cambridge, 273 
Perry-Coste (F. H.), the Ballot-box, 509 
Perseids, the, 1906, Prof. Zammarchi, 111 
Personality, the Dissociation of a, a Biographical Study 
in Abnormal Psychology, Dr. Morton Prince, 102 
Peruvian Meteorology, Prof. Solon I. Bailey, 283 
Peslotian (Ch. Lucas de), N. H. Abel, sa Vie et 
CEuvre, 603 
Petch (T.), Fungi of the Nests of White Ants of Ceylon, 
205; 
son 
524 
Pethybridge (Dr. G. H.), American Gooseberry-mildew in 
Ireland, 567 
Petit (M. G.), Céruse et Blane de Zinc, 509 
Petrie (Dr. J. M.), the Stinging Property of the Giant 
Nettle-tree, 72 
Petrography: Attrition Tests of Road-making Stones, 
i. J. Lovegrove, Petrographical Descriptions by Dr. 
John S. Fiett and J. Allen Howe, 220; Petrographische 
Beschreibung der Gaussberg-Gesteine, R. Reinisch, 224; 
Notes on Recent Petrography, 596; Sands and Sediments, 
Mellard Reade and Philip Holland, 596; New Forms of 
Concretions, H. W. Nichols, 596; Minerals of the Com- 
position MgSiO,, Messrs. Allen, Wright, and Clement, 
596; Gravitational Assemblage in Granite, G. K. Gilbert, 
596; the Differentiation of a Secondary Magma through 
Gravitative Adjustment, R. A. Daly, 596 
Petroleum and its Products, Sir Boverton Redwood, 218 
Petrology: the Roman Comagmatic Region, Henry S. 
Washington, 379 
Petrovitch (M. M.), la Mécanique des Phénoménes fondée 
sur les Analogies, 533 
Pfeffer (Dr. W.), the Physiology of Plants, a Treatise upon 
the Metabolism and Sources of Energy in Plants, 49 
Pfliicker (Luis), Gold-bearing Deposits of the Province of 
Sandia, 258 
Pharmacology: a Manual of Pharmacology, Dr. W. E. 
Dixon, 2; the Extra Pharmacopeia of Martindale and 
Westcott, Dr. W. Harrison Martindale and W. Wynn 
Westcott, 29; Pharmacology of Ethyl Chloride, Dr. 
E. H. Embley, 165; Einfuhrung in die mikroskopische 
Analyse der Drogenpulver, Dr. L. Koch, 390 
Pharmacy: Obituary Notice of Sir Thomas Hanbury, 494 
Phaseolunatin, Cyanogenesis in Plants and the Origin of, 
452 
Philip (J. C.), Influence of Non-electrolytes and Electro- 
lytes on the Solubility of Sparingly Soluble Gases in 
Water, 575 
Philippi (E.), Geologische Beschreibung des Gaussherges, 
224 
Philips’ Progressive Atlas of Comparative Geography, 
Geo. G. Chisholm, Supp. to March 14, V 
Phillips (L. W.), Measurement of Absorption in Tinted 
Glasses, 451 
Philosophy : Manchester Literary and Philosophical Society, 
71, 189, 216, 431, 527; Dictionary of Philosophy and 
Psychology, 73; Cambridge Philosophical Society, 95, 
454, 551; Greek Theories of Elementary Cognition from 
Alcmaeon to Aristotle, John I. Beare, 122; Brier Patch 
Philosophy, W. J. Long, 176; John Dalton, J. P. 
Millington, 246; South African Philosophical Society, 
207, 
Phin (John), the Seven Follies of Science, a Popular 
Account of the most Famous Scientific Impossibilities 
and the Attempts which have been made to Solve Them, 
25 
Pheebe, Observations of, in 1906, 159 
Phonetics: Lectures upon the Mechanism of Speech, 
Alexander Graham Bell, Prof. John G. McKendrick, 
196; Researches in Experimental Phonetics, the Study 
of Speech Curves, Dr. E. W. Scripture, Prof. John G. 
McKendrick, F.R.S., 392 
Phosphorescence, Contribution to the Study of, Henri 
Becquerel, 575 
Photography: the Complete Photographer, R. — Child 
Bayley, 75; Entomological Photography, 83; the Year- 
book of Photography for 1906-7, 101; the Photographic 
Picture Post-card, E. J. Wall and H. Snowden Ward, 
101; Magnesium Light Photography, E. J. Mortimer, 
101; Photography in Natural Colours, Julius Rheinberg, 
103; Photographic Observations of Giacobini’s 1905 
Comet, Prof. Barnard, 111; Photographs of Giacobini’s 
Comet (1905¢), 326; ‘‘ Ozobrome’’ Carbon Printing, 
Thomas Manly, 134; Stereoscopic Lantern Slides, G. A. 
Shakespear, 199; the British Journal Photographic 
Almanac and Photographer’s Daily Companion, 1907, 
222; Photograms of the Year 1906, 246; Photographic 
Processes, part iii., the Latent Image and its Destruc- 
tion, S. E. Sheppard and C. E. KX. Mees, 310; the late 
Dr. Roberts’s Celestial Photographs, 402; British Plates 
in Germany, 423; Optical Intensification of Paintings, 
Prof. R. W. Wood, 424; Photographs of Faint Stars, 
Prof. E. C. Pickering, 448; Death and Obituary Notice 
of Colonel Laussedat, 565; M Screens and ‘* Veri- 
chrome ’’ and ‘‘ Allochrome’’ Plates, Messrs. Wratten 
and Wainwright, 592; Photography for Students of 
Physics and Chemistry, Prof. Louis Derr, Supp. to 
March 14, vi 
Photometry, Researches in Stellar, J. A. Parkhurst, 498 
Physical Chemistry for Electrical Engineers, J. Livingston 
R. Morgan, 413 
Physical Geography: Sand-movement on the New South 
Wales Coast, G. H. Halligan, 102 
Physics: New Physical and Engineering Departments of 
the University of Edinburgh, 20; Distillation and 
Desiccation in a Vacuum with the Aid of Low Tempera- 
tures, MM. d’Arsonval and Bordas, 23; the Seven Follies 
of Science, a Popular Account of the most Famous 
Scientific Impossibilities and the Attempts which have 
been Made to Solve Them, John Phin, 25; Behaviour of 
Certain Substences at their Critical Temperatures, Dr. 
Morris W. Travers, F.R.S., and Francis L. Usher, 47; 
the Velocities of Detonation of Explosives, M. Dautriche, 
48; die  physikalischen Institute der Universitat 
Gottingen, Dr. J. A. Harker, 55; the Strength and 
Behaviour of Ductile Materials under Combined Stress, 
W. A. Scoble, 70; Behaviour of Iron under Weak 
Periodic Magnetising Forces, J. M. Baldwin, 70; Physical 
Society, 70, 143, 188, 382, 430, 478, 527, 621; Sechs 
Vortrage tuber das thermodynamische Potential, &c., 
J. J. van Laar, 77; some Astronomical Consequences 
of the Pressure of Light, Prof. J. H. Poynting, F.R.S., 
at Royal Institution, 90; the Study of Pseudo-solution, 
the Colloidal Forms of Ferric Hydroxide, F. Giolitti, 
110; Stability or Instability of the Steady Motions of 
a Perfect Liquid, Prof. W. McF. Orr, 119; Dependence 
of Gravity on Temperature, L. Southerns, 142; Anwend- 
ungen des Mikrophonprinzips, Chr. Jensen and H. 
Sieveking, Prof. Gisbert Kapp, 153; Solutions of Physical 
Problems, Prof. Andrew Gray, F.R.S., 158; a Com- 
pensated Micromanometer, B. J. P. Roberts, 165; Electric 
Radiation from Bent Antennz, Prof. J. A. Fleming, 188 ; 
Relation between the Tonic Velocity and the Volume of 
Organic Ions in Aqueous Solutions, G. A. Carse and 
T. H. Laby, 189; the Solubility of Stereoisomerides in 
Optically Active Solvents, H. O. Jones, 190; Evapor- 
ation from Water Surfaces, J. R. Sutton, 190; the 
Liquid Volume of a Dissolved Substance, J. S. 
Lumsden, 215; the Viscosity of Liquid Mixtures, A. E. 
Dunstan and R. W. Wilson, 215; Change in Conduc- 
tivity not Attributable to Change of lonisation of Salt 
within the Solution, S. M. Sabat, 230; Temperatures 
Obtainable by the Use of Solid Carbon Dioxide under 
Different Pressures, John Zeleny and Anthony Zeleny, 
230; the Extinction-of Friction, L. Lecornu, 239; Cryo- 
scopy of Colloidal Sclutions of Ferric Chloride, G. 
Malfitano and L. Michel, 239; Ice Formation, with 
Special Reference to Anchor-ice and Frazil, Howard T. 
Barnes, 267; the New Physics and Chemistry, a Series 
of Popular Essays on Physical and Chemical Subjects, 
W. A. Shenstone, F.R.S., 269; Conduction of Electricity 
through Gases, Prof. J. J. Thomson, F.R.S., 269; Ionisa- 
tion and Absorption and Anomalous Dispersion, Dr. G. A. 
Schott, 271; Ionisation and Anomalous Dispersion, Prof. 
R. W. Wood, 390, 583; G. A. Schott, 461; the Range 
of Stokes’s Progressive Waves of Finite Amplitude, 
R. F. Gwyther, 302; Calcium as an Absorbent of Gases, 
and its Applications in the Production of High Vacua 
