Nature, "] 

 December lo, 1903J 



Index 



Cause of the Lustre produced on Mercerising Cotton 

 under Tension, 611 

 Port Darwin, Tides at, R. W. Chapman, 295 

 Portraiture for Amateurs without a Studio, Rev. F. C. 



Lambart, 619 

 Posternak (S.), the Phospho-organic Reserve Material of 

 Plants, 312 ; the Phospho-organic Reserve Material of 

 Green Plants, 360 ; the Constitution of the Phospho- 

 organic Acid in the Reserve Material of Green Plants 

 and on the First Reduction Product of Carbonic Acid in 

 the Act of Chlorophyll Assimilation, 432 

 Pottevin (Henri), Reversibility of Lipolytic Actions, 95 

 Poulton (Prof. E. B.), on Polygottia C-album in the Attitude 

 of Prolonged Repose, 1 18 ; Protective Resemblance of 

 Butterflies to Dead Leaves and Fragments of Dead 

 Leaves, 185 

 Poultry Raising in Ohio, Scientific, 358 

 Poussin (Charles de la Valine), Death of, 84 

 Powell-Cotton (Major), News of, 458 



Power (Dr.), a Leguminous Lliane, Derris iiliginosa, i^ 

 Poynting (J. H., F.R.S.), Radiation in the Solar System, 

 its Effect on Temperature and its Pressure on Small 

 Bodies, 430 

 Pozzi-Escot (Emm.), Diastatic Hydrolysis of Salol, 95 ; Pro- 

 duction of Sulphuretted Hydrogen by Yeast Extract, 568 

 Pradeau (Gustave), a Key to the Time Allusions in the 



Divine Comedy of Dante Alighieri, 414 

 Pratt (Miss), on the Assimilation and Distribution of Nutri- 

 ment in Alcyonium digitatum. 614 

 Preece (C. T.), Psychophysical Interaction, 78 

 Preller (Dr. Charles S. Du Riche), Age of the Principal 



Lake-basins between the Jura and the Alps, 117 

 Preuner (Mr.), the Molecular Composition of Sulphur, 606 

 Prevention of Accidents in Factories, E. Magrini, G. H. 



Baillie, 219 

 I^revention of Disease, the, 49 

 Price (W. A.), the Coloured Map Problem, 71 

 Principles, a Revision of, Bertrand Russell, 410 

 Printing : Electrical Type-setting Machine, M. Tavernier, 



351 

 Prior (W. R.), an Image of the Sun Found at Trundholm, 629 

 Projection on Mars, a Reported, iii ; Messrs. Lowell and 



Slipher, 353 

 Propagation of Phthisis, the. Rev. Edmund McClure, 56 

 I'rotective Mimicry; see Mimicry 

 Proteinic Molecule, the Magnitude of the. Dr. F. N. Schulz, 



F. Escombe, 123 

 Protoplasm, two Fundamental Properties of. Dr. D. Fraser 



Harris, 408 

 Protozoa, Introduction and, a Treatise on Zoology, 6i8 

 Prout (Dr. W. T.), Experiments on the Basil' Plant in 



Relation to its Effect on Mosquitoes, 302 

 Psychical and Physical Characters in Man, Inheritance of, 



Prof. Karl Pearson, F.R.S., 607 

 Psychology: Can Dogs Reason? Dr. Alex. Hill, 7; 

 Dictionary of Philosophy and Psychology, 76 ; Geist und 

 Korper, Seele und Leib, Ludwig Busse, 98; Animal In- 

 telligence, Sir Herbert Maxwell, 136 ; Human Personality 

 and its Survival of Bodily Death, Frederick W. H. Myers, 

 Sir Oliver Lodge, F.R.S., id^ ; the Mind of Man, Gustav 

 Spiller, 174; the Study of Mental Science, Prof. J. 

 Brough, 197 ; the Revival of Phrenology, the Mental 

 Functions of the Brain, Dr. Bernard Hollander, 268 ; Ex- 

 perimental Researches on Dreams, N. Vaschide, 288 ; 

 Harvard Psychological Studies, 342 ; Ijain, or the Evolu- 

 tion of a Mind, Lady Florence Dixie, 343 ; Motor, Visual, 

 and Applied Rhythms, J. B. Miner, 423 ; the Teaching of 

 Psychology in the Universities of the United States, Dr. 

 C. S. Myers at Psychological Society at Cambridge, 425 ; 

 Essai sur la Psycho-physiologie des Monstres Humains, 

 N. Vaschide and CI. Vurpas, Dr. C. S. Myers, 570 ; Ex- 

 perimental Psychology and its Bearing on Culture, 

 George Malcolm Stratton, Dr. C. S. Myers, 465 

 !'sychometric Observations in Murray Island, 409 

 Psychophysical Interaction, W. McDougall, 32 ; Prof. A. M. 

 Worthington, F.R.S., 3^ ; Sir Oliver Lodge, F.R.S., 3^, 

 ,^3, 126, 150; Dr. E.'W. Hobson, F.R.S., 77; J. W. 

 Sharpe. 77 ; Dr. W. Peddie, 78 ; C. T. Preece, 78 ; Oliver 

 Heaviside, F.R.S., 102 ; G. W. Hemming, 102 ; Prof. 

 J. H. Muirhead, 126, 198; Edward P. Culverwell, 150; \. 

 Bowman, 151 



Puisseux (P.), Eclipse of the Moon of April n, 23; Struc- 

 ture and History of the Lunar Crust, 215 



Purdie (Prof., F.R.S.), the Methylation of Cane-sugar and 

 Maltose, 612 



Purin- un4 Zuckergruppe, Synthesen in der, Emil Fischer, 

 466 



Purple Flowers, Captain F. W. Hutton, F.R.S., 223 



Purvis (J. E.), Influence of Great Dilution on the Absorp- 

 tion Spectra of Highly Concentrated Solutions of the 

 Nitrates and Chlorides of Didymium and Erbium, 239 



Putney, a Mirage at, H. E. Wimperis, 368 



Quaggas, the Coloration of the, R. I. Pocock, 356 

 Qualitative Chemical Analysis, John B. Garvin, 366 

 Queensland, Ethnographical Studies in, Superstition, Magic 



and Medicine, Walter E. Roth, 235 

 Qu6nisset (M.), Photograph of Borrelly's Comet 1903 c, 



336 

 Quennessen (M.), Analysis of Osmiridium Alloys, 168 

 Querton (Dr. Louis), Contribution ^J'Etude du Mode de 



Production de I'Electricit^ dans les Etres vivants, 5 



Radial Velocities, Four Stars with Valuable, H. M. Reese, 

 Radial Velocities, Newly Determined Stellar, Prof. Vogel, 



Radiation Pressure and Cometary Theory, E. F. NichoUs 

 and G. F. Hull, 461 



Radiography : Energy Emitted by Radio-active Bodies, 

 Hon. R. J. Strutt, 6; Radiation of Polonium and on its 

 Secondary Radiation, Henri Becquerel, 23 ; the Boys' 

 Radiomicrometer, C. C. Hutchins, 46 ; Canadian View of 

 Radio-activity, F"rederick Soddy, 66 ; Radium and its 

 Position in Nature, William Ackroyd, 66 ; Conductivity 

 and Residual lonisation of Solid Paraffin under the In- 

 fluence of the Radium Radiation, Henri Becquerel, 95 : 

 the Emanation of Radium and its Coefficient of Diffusion 

 in Air, P. Curie and J. Daune, 143 ; Condensation of the 

 Radio-active Emanations of Radium and Thorium by 

 Liquid Air, Prof. E. Rutherford, F.R.S., and F. Soddy, 

 184 ; Radium Fluorescence, F. Harrison Glew, 200 ; Effect 

 of Extreme Cold on the Emanations of Radium, Sir 

 W'illiam Crookes, F.R.S., and Prof. James Dewar, 

 F.R.S,, 213; a Property of the a-Rays of Radium, Henri 

 Becquerel, 215; Radium and Solar Energy, Dr. W. E. 

 Wilson, F.R.S., 222 ; Gases Occluded by Radium Bro- 

 mide, Sir William Ramsay, K.C.B., F.R.S. , and 

 Frederick Soddy, 246 ; a New Case of Phosphorescence 

 Induced by Radium Bromide, William Ackroyd, 269; the 

 Oxidising' Action of the Ravs from Radium Bromide, 

 W. B. Hardy, F.R.S., and Miss E. G. Willcock, 431 : 

 Radium Rays in the Treatment of Cancer, Prof. 

 Gussenbauer, 254 ; Radium and Cancer, Dr. Alexander 

 Graham Bell, 320 : Dr. Z. T. Sowers, 320 ; the Source of 

 Radium Energy, Ch. Lagrange, 269 : Experiments with 

 a Mixture of Radium and Barium Chlorides in a dry 

 and in a moist state, F. W. Branson, 302 ; a Method 

 of Applying the Rays from Radium and Thorium to the 

 Treatment of Consumption, Frederick Soddy, 306 ; Ex- 

 periments in Radio-activity and the Production of Helium 

 from Radium, Sir William Ramsay, K.C.B., F.R.S., 

 and Frederick Soddy. at the Royal Society, 354 ; the 

 Amount of Emanation and Helium from Radium, Prof. 

 E. Rutherford, F.R.S., 366; on the Intensely Penetrating 

 Rays of Radium, Hon.' R. J. Strutt, at Royal Society, 

 3;:;"; the Heat Radiating Power of Radium, M. Curie and 

 Prof. Dewar, 372 ; the Principle of Radium, 496 ; Radium 

 and the Geological Age of the Earth, Prof. J. Joly, F.R.S., 

 526 ; Radium and the Cosmical Time Scale, W. B. Hardy, 

 548; Radium and the Sun's Heat, Hon. R. J. Strutt, 

 ";72 ; Prof. J. Joly, F.R.S., 572 : Experiments on the 

 Effects of Low Temperature on the Properties and 

 Spectrum of Radium, Prof. Dewar and Sir W. Crookes, 

 611 : Prof. Schuster, 611 ; Prof. Larmor, 611 ; Mr. Whet- 

 ham, 611; Dr. Lowry, 611; Radium and other Radio- 

 active Substances, with a Consideration of Phosphorescent 

 and Fluorescent Substances, the Properties and Applica- 

 tion of Selenium, and the Treatment of Disease by the 

 Ultra-violet Light, William J. Hammer, 621; Heating 



