xxxu 



Index 



T Supplement to Nature^ 

 L NoveiiU'er yy^ 1893 



Pickering (Prof.), Jupiter's Satellites, 81 ; the Satellites of 



Jupiter, 209 

 Pidgeon's (W. R.) Influence Machine, 263 

 Pierce (Prof. G. W.), on the Electric Strength of Solid, Liquid, 



and Gaseous Dielectrics, 461 

 Pigeons, Carrier, F. W. Headley, 223 

 Pigment, Animal, containing Copper, Turacin, Prof. A. H. 



Church, F.R.S., 209 

 Pigott (T. D.), Adventures of a Dabchick in St. James's Park, 



322 

 Pike (Capt. Richard), Death of, 82 

 Pillow Problems, Charles L. Dodgson, M.A., 564 

 Pionchon (M.), a Product of Incomplete Oxidation of Alu- 

 minium, 407 

 Pirrson (L. V. ), Volcanic Rocks from Cough's Island, 70 

 Placostylus, the Range of, C. Hedley, 38 

 Plague of Field Voles, 282 

 Plane Tree Honey, Edm. Jandrier, 60S 

 Planet Venus, the, Ellen M. Gierke, 447 

 Planet Victoria, Ohservations of the. Dr. Gill, 276 

 Planetary Nebula, B. D. + 41° 4004, Parallax of, 548 

 Planets, the Brightness of the Major and Minor, Dr. G. 



Muller, 15 

 Plant Hybiids, the Minute Structure of. Prof. J. Muithead 



Macfarlane, 402 

 Plants, Hydrocyanic Acid in, 96 

 Plants, Physiology of, Prof Sachs, 513 

 Pleiades, Orientation of Temples by the, R. G. Haliburton, 



566 

 Plummer (William E.), Modern Meteorology, Frank Waldo, 



Plymouth Marine Biological Station, the Week's Work of the, 

 14, 39, 61,81, III, 134, 158, 183, 208, 232, 253, 275, 300, 

 326, 354, 379, 401, 425, 447, 483, 524, 547, 573, 600, 622 



Pneumatic Caulking and Chipping Tool, Mr. Ross, 556 



Pockels (Miss Agnes), Relations between the Surface-Tension 

 and Relative Contamination of Water Surfaces, 152 



Pocock (R. I.), Notes upon the Habits of some Living Scor- 

 pions, 104 



Poincare (H.), an Objection to the Kinetic Theory of Gases, 



72 



Poison, Arrow, of East Equatorial Africa, Dr. T. R. Fraser, 

 F.R.S,, and Dr. Joseph Tillie, 92 



Poisoning of the Future, the. Dr. S. S. Sprigge, 250 



Polarisation : an Explanation of Rotation of the Plane of 

 Polarisation in Magnetic Field based on De Reusch's Experi- 

 ments, M. Verner, 78 ; Polarization Rotatoire, Reflexion et 

 Refraction Vitreuses, Reflexion Metallique, G. Fonssereau, 

 266 ; Residues of Polarisation, E. Bouty, 336 ; Polarisation, 

 using a Thin Metal Partition in a Voltameter, John Daniel, 

 524 ; Influence of State of Surface of Platinum Electrode 

 upon its Initial Capacity of Polarisation, J, Colin, 584 



Politis (Prof. N. G. ), the Breaking of Clay Vessels as a Funeral 

 Rite in Modern Greece, 445 



Pomel (A.), the Norway Rat in the Ancient Western World, 72 



Pomerania, Sandstorm in, 322 



Poore (George Vivian), Essays on Rural Hygiene, 266 



Pope (W. J.), New Haloid Derivatives of Camphor, 118 



Popular Botany, John Bidgood, 175 



Port Erin Marine Biological Station, the, 423 



Porter (A. W.), Electric Circuits of Measurable Inductance and 

 Capacity, Flow and Dissipation of Energy in, 406 



Porter (W. T.), Experiments on Coordinating Centres of Car- 

 diac Ventricle, 288 



Postlethwaite (J.), Intrusive Sheet of Diabase near Bassenth- 

 waite, 286 



Potato, Relation to Crop obtained of Number of Eyes on 

 Seed Tuber, J. C. Arthur, 353 



Potstones Found near Seaford, Geo. Abbott, 315 



Pottery, New Caledonian, Otis T. Mason, 543 



Pouchet (G. ), Plankton of Northern Lagoon of Jan Mayen, 119; 

 the Various Kinds of Arctic Ice, 251 



Poulton (E. B., F.R.S.), Soot- Figures on Ceilings, 29; ap- 

 pointed Hope Professor of Entomology at Oxford, 154 ; 

 Colours of certain Lepidopterous Larvae largely due to Food- 

 Plant Pigments, 239 



Powell (J. W.), Seventh Annual Report of the Bureau of 

 Ethnology to the Secretary of the Smithsonian Institution, 

 1885-86, 3 



Poynting (Prof. J. H., F.R.S.), the Mean Density of the Earth, 

 370 



Prassepe, Comet Finlay and the, 51 2 



Precht (Julius), Absolute Measurements on Discharge of Elec- 

 tricity from Points, 140 



Precision of Measurements, Discussion of the, Silas W. Holman, 

 221 



Preece (W. H., F. RS.), Submarine Borers and Submarine 

 Cables, 160 ; Effect of City and South London Electric Rail- 

 way on Earth, 205 



Prehistoric Naval Architecture of Northern Europe, G. H. 

 Boehmer, 274 



Prenatal Influences on Character, Dr. Alfred R. Wallace, 

 F.R.S., 389 



Preston (S. Tolver), on the Velocity of Propagation of Gravita- 

 tion Effects, 103 ; Megamicros, 517 



Preyer (W.), Das Genetische System der Chemischen Elemente, 

 W. Preyer, 173 



Priem (Fernand), A. E. Brehm, Les Merveilles de la Nature, 

 La Terre, les Mers et les Continents ; Geographic Physique, 

 Geologie et Mineralogie, Prof. A. H. Green, F.R.S., 25 



Priest (M.), Apparatus for Studying Action of Electric Dis- 

 charge on Oxygen, 159 ; Formation of Ozone (ii ), 190 



Primitive Music, Richard Wallaschek, Prof. C. Lloyd Morgan, 

 290 



Pringsheim (Dr.), Cause of Luminosity of Heated Gases, 144 



Pritchard (Dr. Charles, F.R.S.), Death of, 107; Obituary 

 Notice of, 130 



Procedure, Linnean Society, 150 , 



Proctor (Richard A.), Old and New Astronomy, 361 jj 



Proctor-Smyth (Mrs. S. D.), Old and New Astronomy, 438 



Propagation of Gravitation Effects, on the Velocity of, S. Tolver 

 Preston, 103 



Propagation of Electric Energy, Dr. Heinrich Hertz, 538 



Protection of Woodlands, the, 337 



Protozoon, on the Digestive Ferments of a Large, Prof Marcus 

 Hartog and Augustus E. Dixon, 575 



Pyschology : Elements of Psychology, James Mark Baldwin, 

 292 ; Experimental Psychology, J. S. Burdon- Sanderson, 

 F.R.S., 469 



Pubblicazioni of Vatican Observatory, 180 



Pubblicazioni della Specola Valicana, 512 



Public Health Laboratory Work, Henry R. Kenwood, 433 



Public Health Problems, John F. J. Sykes, 27 



Pump, a Periodic Mercury, Rev. Frederick J. Smith, 320 



Pupin (Mr.), Oscillations of Low Frequency and their Reson- 

 ance, 60 



Pye-Smith (Dr. P. H., F.R.S.), the Harveian Oration, 601 



Pyramid Builders, on the Early Temple and, J. Norman Lock- 

 yer, F.R.S., 55 



Quaternions, the Discussions on. Sir Robert S. Ball, F.R.S., 



391 

 Quaternions, Vectors and. Prof. Alexander Macfarlane, 75, 



540; Alfred Lodge, 198 ; Prof. C. G. Knott, 148, 516 

 Quaternions and Vector Analysis, Prof J. Willard Gibbs, 364 

 Quarterly Journal of Microscopical Science, 115, 332 

 Queensland and New Caledonia, Submarine Cable laid between 



623 

 Quenisset (F.), Photography of Comet /<, 1893, 360 

 Quito, the Perennial Spring Climate of. Dr. J. Hann, 352 



Racial Dwarfs in the Pyrenees, J. S. Stuart-Glennie, 294 

 Rae (Dr. John), Death of, 296 ; Obituary Notice of, 321 

 Raiatea, Strange Heathen Ceremony at. Miss Teuira Henry, 



398 

 Rain-Making Experiments at Dublin, 522 

 Rainfall, Analysis of Causes of. Prof. G. E. Curtis, 631 

 Rainfall, the Greatest in Twenty-four Hours, E. Douglas 



Archibald, 77, 317 ; J. S. Gamble, 459 

 Rainfall, a Remarkable, Clement L. Wragge, 3 

 Rainfall, on Secular Variations of Our, 367 

 Rambaut (Prof A. A.), Distortion of Photographic Star 

 Images due to Refraction, 47 ; Atmospheric Refraction and 

 Star Photographs, 379 

 Ramsay (Wm., F.R.S. ), the Variation of Surface Energy with 

 Temperature, 21 ; Boiling and Melting Points of Nitrous 

 Oxide, 22 ; Note on Combination of Gases, 262 ; the Condi- 

 tions Determinative of Chemical Change : some Comments 

 on Prof. Armstrong's Remarks, 267 

 Ranyard (A. C), Old and New Astronomy, 416 

 Raps (Herr), the Motion of Vibrating Strings, 324 

 Rassam (H.), the Thieving of Assyrian Antiquities, 508, 540 



I 



