uPfUment to Nature.r\ 

 June I, 1893 J 



Index 



XXIX 



ire ; Measurement of Senilism of the Crystalline, M. C. J. 

 L. Leroy, 528 ; Measurement of Large Diflerences of Phase 

 in White Light, M. P. Joubin, 528 ; Sensitiveness of the Eye 

 . Light and Colour, Capt. W. de W. Abney, F.R.S., 538; 

 Contrivance for Determining Refractive Index of Liquid, 

 544 ; Experiments on Phosphorescence-Producing Kathode 

 Rays of a Geissler Tube, Dr. P. Lenard, 564 ; Use of Total 

 Reriection to Determine Light- Refraction of Liquid Oxygen, 

 Herren Olszewski and Witkowski, 614; Researches at the 

 Berlin Imperial Physico-Technical Institute on the Siemens 

 I'latinum Foil Unit as a Standard for the Intensity of a Source 

 f Light, 615 



ng-Utan, Remarkable Specimen of, 423 

 itolites, on the Reproduction of, H. B. Brady, 119 

 nance Survey, 447 



: nance Survey and Geological Faults, the, James Durham, 

 510 

 Organic Chemistry, Outlines of, Clement J. Leaper, 124 

 Organic Substances, Qualitative Analysis Tables and the Re- 

 actions of Certain, E. A. Letts, Chapman Jones, 361 

 *: Origin, Unusual, of Arteries in the Rabbit, Philip J. White, 365 

 Origin of Colour, VII, VIII and IX, H. E. Armstrong, 551 } 

 Origin of Lake Basins, the Duke of Argyll, F.R.S., 485 ; J. C. 1 

 Hawkshaw, 558 I 



Origin of the Year, the, J. Norman Lockyer, F.R.S., 32, 228 I 

 Orme (Temple), Matriculation Chemistry, 99 I 



Ornithology: a F..rk-tailed Petrel, Newman Neave, 31; the ; 

 Food of Humming-birds, Dr. Morris Gibbs, 63 ; Assumption 

 of the Male Plumage by a Pea-hen, G. N. Douglas, 71 ; ' 

 Corncrake Caught in Wales, December 8, 1892, 157 ; the 

 Migration of Birds, an Attempt to Reduce Avian Season- 

 Flight to Law, Charles Dixon, 169 ; Study of the Form of 

 Eggs, Dr. Nicolsky, 253 : Death and Obituary Notice of Rev. , 

 F. O. Morris, 372 ; the Flight-Speed of Wild Ducks, H. L. ., 

 Clark, 374; the Preservation of the Native Birds of New ' 

 Zealand, 394 ; Death and Obituary Notice of Victor Aime 

 Leon Olphe-Galliard, 395 ; the Flight of Birds, Herbert \ 

 Withington, 414 ; Formation of a Cage-Bird Club, 495 ; 

 Ornithology in Relation to Agriculture and Horticulture, John ' 

 Watson, 533 ; the Protection of the Osprey in Scotland, 42 j 

 Osborn (Prof. Henry F.), Protocerus, the New Ariiodactyle, 



321 ; Artionyx, a Clawed Ariiodactyle, 610 I 



Osmium, Chemistry of, A. E. Tutton, 400 | 



Osmium, Metallic, M. Joly and Veges, 497 j 



Osmotic Pressure, J W. Rodg.r, 103} Prof. Spencer Picker- 

 ing, F. R.S., 175 

 Osprey in Scotland, the Protection of the, 612 

 Osiwald's Klassiker der Exacten Wissenschaften, Nos. 31-37, 



149, 38-40, 245 

 Oudemans (I>r. A. C.),the Great Sea Serpent, 506 

 Owen (Sir Richard), Obituary Notice of, 181 ; the Proposed 



Memorial to, 232, 252, 307 

 Oxford, Medical Education at. Lord Salisbury, 449 

 '"'•'■ird Medical Society, Inaugural Address by Sir James 

 ,;et, 60 



id: University Junior Scientific Club, 95, 119, 167, 359, 

 iji, 502 

 <^\ioid University Museum. Catalogue of Eastern and Australian 

 !.epidopter,i heterocera in the Collection of the. Col. C. 

 vinhoe, 53 



y (Rev. W. H.), Travelling of Roots, 414 

 ;en for Limelight, T. C. Hepworth, 176 

 ^en, Liquid, Use of Total Reflection to Determine Light- 

 Iraction of, Herren Olszewski and Witkowski, 614 

 . *er Culture, on the Attempt at, in the Roscoff Laboratory, 

 M. de Lacaze-Duthiers, 456 

 Oysters, Observations on, Prof. R. C. Schiedt, 375 

 Ozune, D. A. Van Bastelaer's Observations on, 373 

 c, W. G. Black, 390 



!C Slope, Grasses of the, including Alaskaandthe adjacent 

 mds. Dr. Geo. Vasey, 173 

 ington Railway, Clapham Junction and, 515 

 I born, Shower of Pond Mussels at, 278 

 1, Galileo Galilei and the Approaching Celebration at, 

 if. Antonio Favaro, 82, 180 



(M.), the Stanley Falls District of the Congo, 282 

 t (Sir George E,, K.C.B., F.R.S. ), Some Lectures by. 



ft 



4*5 



Paget (Sir James). Inaugural Address to Oxford Medical 



Society, 60 

 PaljEolithic or Unground Stage of the Implement-makers' Art, 

 On the Rude Stone Implements of the Tasmanians, show- 

 ing them to belong to the, Dr. Tylor, 527 

 PalcBtnonetes Varians, Anatomy of Larva of, E. J.Allen, 237 

 Palaeontology, Discovery of Ureus Arctos in the Malta Pleis- 

 tocene, J. H. Cooke, 62 ; Relics found in Yorkshire Caves, 

 Rev. Edward Jones, 112; Walrus in the Thames Valley, W. 

 J. L. Abbott, 132 ; Some New Reptiles from the Elgin Sand- 

 stone, E. T. Newton, 189 ; Death of Dr. D. Stur, 206 ; 

 Protocerus, the New Ariiodactyle, Prof. Henry F. Osborne, 

 321 ; Restoration of Anchisaurus Colurus, Prof. O. C. 

 Marsh, 349 ; a Catalogue of British Jurassic Gasteropoda, W. 

 H. Hudlestone, F.R.S., and Edward Wilson H. Woods, 

 363 ; Johns Hopkins University Palseontological Collections, 

 471 ; Fossil Fauna of the Black Sea, T. J. van Beneden, 544 ; 

 Artionyx — a Clawed Artiodactyle, Prof. Henry F. Osborn, 

 610; Palseontological Discovery in Australia, Prof. Alfred 

 Newton, F.R.S., 606 

 Palaeozoic Ice-Age, a, W. T. Blanford, F.R.S., loi, 152; 



Henry F. Blanford, F.R.S., loi 

 Palestine, Geology of. Prof, Edward Hall, F.R.S., 166 

 Palmberg (Dr. Albert), a Treatise on Public Health, Dr. H. 



Brock, 507 

 Palmer (Mr.), a Lilac Colour produced from Extract of Chest- 

 nut, 132 

 Papasogli, Colorimeter for Co aparing Intensity of Colour in 



Solution, 131 

 Papuans, the Native, T. H. Hatton- Richards, 590 

 Parallax of /3 Cygni, Harold Jacoby, 399 

 Parallaxes of /u .-md 6 Cassiopeise, Harold Jacoby, 5 

 Parasitism of Volucella, W. E. Hart, 78 



Parker (J.), Carnot's Principle applied to Anioial and Vege- 

 table Life, 95 

 Parker (Prof. T. Jeffrey, F.R.S.), on the Cranial Osteology, 



Classification and Phylogeny of the Dinornithidce,, 431 

 Parker (Prof. W. N.), on an Abnormality in the Veins of the 



Rabbit, 270 

 Paris Academy of Sciences, 23, 47, 71, 96, 119, 143, 167, 

 192, 215, 239, 263, 287, 311, 335, 360, 384, 408, 431' 

 456, 479, 503.527, 551, 576, 599, 623 ; Prize List for 1892, 

 215 

 Paris Observatory in 1892, M. Tisserand, 546 

 Paris, the Question of the Purity of Ice Consumed in, 614 

 Parry (John), on the American Iron Trade and its Progress 



during sixteen years. Sir Lowthian Bell, F.R.S., 195 

 Pasquale (Dr. B.), the " iMalNero" Vine Disease, 130 

 Pasquale (Cav. G. A.), Death of, 421 

 Passy (Jacques), Analysis of Complex Odours, 48 

 Pasteur (M.), Proposed Testimonial to, 37 

 Pasteur's (M.), Seventieth Birthday, 204 

 Patagonia, Idle Days in, W. H. Hudson, Dr. Alf. Russel 



Wallace, 483 

 Pathology : the Croonian Lecture, 487 ; on the Histology of the 

 Blood of Rabbits which have been rendered Immune to 

 Anthrax, Lim Boon Keng, 502 

 Peal(S. E.), Lunar " Volcanoes" and Lava Lakes, 486 

 Pearcey (F. G.), Foraminifer or Sponge? 390 

 Peary (Lieut.), Proposed Arctic Expedition of, 133, 452 

 Pekelharing (.Mr.), the Peptone of Kiihne, 624 

 Peloponnes Der, Versuch einer Landeskunde auf Geologischer 



Grundlage, Dr. Alfred Philippson, 6 

 Pencils, Slate, Aluminium, 131 

 Penck's (Prof.), Scheme for a Map of the World on a uniform 



scale, 426 

 Perfume Industry, Odorographia : a Natural History of Raw 



Materials and Drugs used in the, J. Ch. Sawer, 52 

 Peripatus Egg, the Hatching of a, Arthur Dendy, 508 

 Perkin (W. H., sen.). Magnetic Rotation of Sulphuric and 



.Nitric Acids, 165 

 Perigal (Mr. Hanry), Complimentary Dinner to, 585 

 Perigal Family, Longevity of the, Dr. C. T. Williams, 585 

 Perry (G. H.), Interaction of Iodine and Potassium Chlorate, 



165 

 Perry (Prof. J., F.R.S.) on the differential equation of Electric 



Flow, 574 ; on the Viscosity of Liquids, 575 

 Persei, Motion of 3, 115 



Persei, Relative Position of Stars in Cluster x. Sir Robert Ball 

 and Arthur Rambaut, 376 



