Nature, "I 

 iiu ir, 1902J 



Index 



Orientation, an Attempt to Ascertain the Date of the Original 

 Construction of Stonehenge from its, Sir Norman Lockyer, 

 K.C.B., F.R.S., and F. O. Penrose, F.R.S., 55; C. T. 

 Whitmell, 12S 



Ornithology : the Colour of Gillemots' Eggs, R. J. Ussher, 5 ; 

 Histrionic Capacity of Grey Parrots, D. R. Fearon, C.B. , 

 127; Pine Grosbeak in Berkshire, C. M. Rogers, 129; the 

 Birds of South Africa, A. C. Stark, completed by W. L. 

 Sclater, 244 ; Birds Capturing Butterflies and Moths in 

 Flight, A. E. McKay, 247, 486 ; Oswald H. Latter, 273 ; 

 Lilian J. Veley, 299, 392 ; Prof. Edward B. Poulton, F.R.S., 

 343,465; W. Irvine Fortescue, 344; A. H. Ilanm, 366; 

 C. G. Seligmann, 366 ; Howard Fox, 366 ; John Hartley 

 Durrant, 392 ; F. Finn, 415; a Correction, 5S7 ; Dr. Ad. 

 Nicolas, 415 ; Birds and Man, W. H. Hudson, 293 ; Beautiful 

 Birds, Edmund Selous, 316,392 ; theGround-hornbill, W. L. 

 Sclater, 399 ; the Home-life of Wild Birds, F. H. Herrick, 

 437 ; Report of the Society for the Protection of Birds, 444 ; 

 Birds' Nests, an Introduction to the Science of Caliology, 

 Charles Dixon, 508 ; Colour Matching in Cuckoos' Eggs, 

 Oswald Latter, 521 ; Egg-sales, 593 



Ornithorhynchus und Echidna, Die Medulla Oblongata und die 

 Vierhiigelgegend von, A. Koelliker, i^ 



Orr (Prof. \V. Mc. F, ), Les Theories Electriques de J. Clerk 

 Maxwell, Etude Historique et Critique, M. P. Duhem, 555 



Orton(Dr.), the Nitration of j-/w.Trihalogen Anilines, 477 



Osawa (Prof,), Monkeys Right-handed, Birds Left-footed, 67 



Osborne (Lord Albert), Sunshine and Surf; a Year's Wander- 

 ing in the South Seas, 57 



Osbome (H. L. ), Notes on Axolotls from Colorado and Dakota, 

 III 



Osmotic Pressures : Can Solution of Native Proteids Exert ? 

 Prof. Waymouth Reid, F.R.S., 115 



Osteomyelitis, a Non-suppurative form of, M. Lannelongue, 527 



Ostwald (Prof.), Catalysis, 522 



Ostwald (Wilhelm), Vorlesungen iiber Naturphilosophie, 265 



Ovis nivicoia. Use and Value of Spiral Horns in, Dr. George 

 Wherry, 334 ; J. E. Harting, 334 



Owen (J. A.), the Country Month by Month, 125 



Owens College Jubilee, the, 441, 469 



Oxalates, on the Action of, on the Calcium of Muscle, Dr. W. 

 Brodie Brodie, 116 



Oxidation in presence of Iron, H. J. H. Fenton, 406 



Oxygen : the Specific Volumes of Oxygen and Nitrogen Vapour 

 at the Boiling-point of Oxygen, Prof. James Dewar, F. R.S., 

 382 ; New Mode of Preparation of Oxygen, George Jaubert, 

 580 



Oysters and Sewage in Narragansett Bay, Caleb A. Fuller, 519 



Palaeobotany : Clarke Collection of New South Wales Fossil 

 Plants, E. A. N. Arber, 94 ; Notes on the Genus Lichas, 

 F. R. C. Reed, 140 ; on a New Species belonging to the 

 Leperditiadse, Prof. T. T. Groom, 190; Xeiiophyton raduu- 

 lositm, and Stigmarian Rootlet probably related to Lepido- 

 phloios fu/igiiwsHs, Prof. T. E. Weiss, 334; Primary Struc- 

 ture of Paleozoic Stems with the Dadoxylon Type of Wood, 

 Dr. D. H. Scott, F.R.S., 335 



Palaeolithics : a Gallery of Engravings of the Stone Age, 299 ; 

 Flint Implements at Chelsea, A. B. Marshall, 586 



Palajontology : the Sequence of the Cambrian and Associated 

 Beds of the Malvern Hills, Prof. T. T. Groom, with an 

 Appendix on the Brachiopoda, C. A. Matley, 191 ; Mosa- 

 saurus, &c. , Bones from Natal Coast Cretaceous, 229; South 

 of England Post-Pliocene non-Marine Mollusca, A. S. 

 Kennard and A. B. Woodward, 230 ; Skull of Eqttus fossitis 

 from Keswick, Prof. H. G. Seeley, 23S ; the Wyoming 

 Brontosaurus, L. P. Gratacap, 280 ; Vertebrate Fossils from 

 Egypt, 287 ; Announcement of New Mammalian Remains from 

 Egypt, 494 ; Proterozoic Gasteropoda, Jane Donald, 503 ; 

 the Hind Limb of Protostega, S. W. Williston, 599 



Pala;ozoic Stems with the Dadoxylon Type of Wood, Primary 

 Structure of, Dr. D. H. Scott, F.R.S., 335 



Palmer (Walter), Poultry Management on a Farm, 5S3 



Pancreas, on the Causation of the so-called " Peripheral Reflex 

 Secretion " of the, W. M. Bayliss and Ernest H. Starling, 

 F.R.S., 333 



Panton (A. W.), the Theory of Equations, with an Introduction 

 to the Theory of Binary Algebraic Forms, 390 



Paper and Peroxide of Hydrogen, on. Dr. W. J. Russell, 

 F.R.S., 200 



Paraflin, the Dielectric Constant of, W. G. Wormwell, 190 



Parallax of Stars, Mean, 39 



Parallax, Focussing of a Collimator or a Telescope by Means of 

 the Measurement of a, G. Lippmann, 263 



Parasite in the Blood of Epileptics, Presence of a, M. Bra, 

 263 



Paris Academy of Sciences, 23, 47, 72, 95, 119, 143, 167, 215, 

 239, 263, 287, 311, 335, 359, 383, 407, 431, 455, 459, 504, 

 5?7> 551. 579, 603 



Paris Academy of Sciences, Prize Awards of the, 211 



Paris Academy of Sciences, Prize Subjects of the, 233 



Park (C. M.), the Child's Pictorial Natural History, 126 



Parker (E. H.), John Chinaman and a few Others, 436 



Parr (G. D. Aspinall), Electrical Engineering Testing, 242 



Parrots, Histrionic Capacity of Grey, D. R. Fearon, C B,, 127 



Party (E. J.), the Chemistry of Pigments, 363 



Parsons (J. H. ), Elementary Ophthalmic Optics, including 

 Ophthalmoscopy and Retinoscopy, 295 



Parson's Turbine : Vessels with Turbine Machinery, 403 



Passerini (Prof. N. ), Red Rain of March 10, 1901. 540 



Pasteur, the Life of, Rene Vallery-Radot, Mrs. Percy Frank- 

 land, 97 



Patagonia, Les Andes de, L. Gallois, Supp. November 14, 

 1901, ix 



Pathology : Death of Prof. H. von Ziemssen, 278 ; Clinical 

 Pathology and Practical Morbid Histology, J. Strangeways 

 PiSg. 556 ; Plant Pathology : Disease in Plants, H. Marshall 

 Ward, F.R.S., 28 



Paton (Dr. Noel), Experiments in Examination of the asserted 

 Haematopoietic Functions of the Spleen, 115 



Patterns, Frost, in Mud, Dr. Catherine A. Raisin, 199 



Pattern?, Frost, Prof. R. Meldola, F.R.S., 222 



Pattison (Samuel Rowles), Death of, 109 



Paul (G.), Sun Pillars, 511 



Peabody Museum, Vol. ii. of the Archaeological and Ethno- 

 logical Papers of the. Fundamental Piinciples of the Old and 

 New World Civilisations, Zelia Nuttall, 268 



Pearls, the Origin of, Dr. H. Lyster Jameson, 478 



Pearl Fisheries : L'Huitre Perliere, Nacre et Pedes, L. G. 

 Seurat, 271 



Pearson (Prof. Karl, F. R.S.), on the Inheritance of Mental 

 Characters in Man, 1 18, 245, 391 ; Mathematical Contributions 

 to the Theory of Evolution, xi. on the Influence of Natural 

 Selection on the Variability and Correlation of Organs, 381 ; 

 Modern Increase in the Expectation of Life, 521 ; on the 

 Relation between Intelligence and the Size and Shape of the 

 Head, Paper read htfore the Royal Society, 543 



Peddle (Dr.), on Quaternion Binaries, 143 



Peirce's (George), Approximate Construction for tt, E. Lemoine, 

 357 



Pellat (Henri), Method allowing of the Evaluation in Absolute 

 Measure of very Low Temperatures, 143; the Tubes of Force 

 of the Magnetic Field rendered Visible by means of the 

 Kathode Rays, 384 



Peloria, an Interesting Case of. Dr. Masters, 574 



Pendlebury (Robert), Death of, 471 



Pendulum, Foucault's, 499 



Penrose (F. C, F.R.S.), an Attempt to ascertain the Date of 

 the Original Construction of Stonehenge from its Orientation, 

 55 



Periers, Fall of Rain observed at, M. Sebillaut, 360 



Perimeter of an Ellipse, Formula for the, H. Tomkys, 536 



Peripatus, the Oviparous Species of. Dr. A. Dendy, 422 



Perkin {\. G.), Myricetin, 310; the Colouring Matters of 

 Green Ebony, 310; Mysticolorin identical with Osyritrin, 

 477 ; Quercetazetin, 527 



Perkin (Dr. F. Mollwo), Researches on Cellulose from 1S95- 

 1903, Cross and Bevan, 52 ; Improved Sulphuretted Hy- 

 drogen Apparatus, 62 ; Chemical Instruction and Chemical 

 Industries in Germany, 174 



Perkin (Prof. W. H., jun. ), Brasilin and Hismatoxylin, 238 



Perkin (Dr. W. H., sen.), Magnetic Rotation of Polyhedral 

 Alcohols, 238; Magnetic Rotation of Ring Compounds, Cam- 

 phor, Limonene, Carvene, Pinene, &c. , 383 . 



Perman (Dr. E. P.), Influence of Salts on Vapour Pressure of 

 Aqueous .\nimonia Solutions, 238 



Permeability of Iron Alloys, the. Prof. W. M. Hicks, F.R.S., 

 55S 



Permeameter, a New Form of, for Testing the Magnetic Quali- 

 ties of Iron and Steel in Bulk, C. V. Drysdale, no 



