Index 



r Nature, 

 lAfril .-4, I' 



Nietner (Prof.), Inaugural Address at the Royal Hospital 



for Diseases of tlio Chest, 229 

 Niven (Prof. C.) and A. E. M. Gcddcs, Method of Finding 



Conductivity for Heat, 401 

 Nolke (Fr.), Origin of Ice Ages, 445 

 Nowrogee (D.), Indian Insects, 685 

 Nunn (Dr. T. P.), the Calculus in Schools, 5 ; Science 



Teaching, 582 ; Mathematical Teaching, 370 



Ogilvie (A. G.), Morocco, 626 



Ogilvie-Grant (W. R.), Catalogue of Birds' Eggs in the 



British Museum, 595 

 O'Leary (Rev. W., S.J.), Upper Air Investigations at 



Limerick, 370 

 Omori (Dr. F.), Variation of Latitude and Mean Sea-level 



\u Japan, 471 

 Onnes (Dr. H. K.), Medal from Royal Society, 388 

 Oort (Dr. van). Recapture of Marked Birds, 475 

 Oppenheimer (Prof. Carl), Grundriss der Biochemie, 331 

 Orleans (Duke of), Arctic Zoological Reports, 313 

 Orton (J. H.), Occurrence of the Portuguese Man-of-War 



and of a "Giant Spider Crab in the English Channel, 700 

 Osborn (Prof. H. F.), Skull of Dinosaur Tyrannosaurus 



'tx, 313 

 Oshanin (B.), Katalog der palaearktischcn Hemipteren, 513 

 Ostwald (M.), Alkaline Nitrites, 507 

 Owens (J. S.), Settlement of Sand in Water, 211 

 O.xley (A. E.), Variation of Magnetic Susceptibility with 



Temperature, 663 



Padova (E.). Light-curves of Variable Stars, 173 

 Paige (S.), Mineral Resources of Texas, 659 

 Parisot (J.) and M. Vernier, Toxicity of Fungi, 184 

 Parker (F. H.), Upper Partials of a Tuning-fork, 361 

 Parkhurst (J. ' A.), Stellar Actinometry at the Yerkes 



Observatory, 316 

 Parkyn (E. A.), the Jaw from the Stalagmite in Kent's 



Cavern, 281 

 Parsons (Dr. H. F.), Report on Isolation Hospitals, 285 ; 



Luminous Halos surrounding Shadows of Heads, 621 

 Pascal (P.). Additivitv of Diamagnetism, 638 

 Passarge (Prof. S.), Morphological Geography, 470 

 Patten" (Prof. C. J.), Reported Occurrence of Dartford 



Warbler at Tuskar Rock, 306 

 Patton (Capt. W. S.), Oriental Sore, 112 

 Paulsen (Dr. O. L.), Dr. W. G. Smith, Vegetation of the 



Transcaspian Lowlands, 711 

 Poach (Dr. B. N., F.R.S.), Opening Address to Section C 



(Geology) at the British Association, 49 

 Peach (Dr"' B. N., F.R.S.) and Dr. J. Home, Archxan 



Rocks of Lewis, 209 

 Pearl (R.). Mode of Inheritance of Fecundity in Fowls, 526 

 Pearson (Dr. J.), the Lion in Sinhalese Art, 674 

 Pearson (Prof. Karl ,F.R.S.), Lectures to the Medical Pro- 

 fession, III; an Apparent Fallacy in the Statistical 



Treatment of "Antedating" in the Inheritance of 



Pathological Conditions, 334 

 Peck (J. W.), Vocational Call and the Edinburgh Evening 



Continuation Schools, 370 

 Pcddie (Prof. W.), Apparatus for investigating Motion in 



Torsional Oscillations, 422 ; Deviation of the Law of 



Torsional Oscillation of Metals from Isochronism, 42S 

 Peddie (Prof.), Spectral Series, 424 

 Peers (C. R.), Ancient Monuments, 490 

 Peet (T. E.), Megalithic Monuments, 343 ; Rough Stonr- 



Monuments and their Builders, 566 

 Pennant flhomas). Collection, 626 

 Popper (J. H.V Dr. J. Mastin, the Boy's Playbook of 



Science, 538 

 Peringuev (Dr. L.). Portuguese Commemorative Pillars on 



the S. African Coast, 403 

 Poi-kin (Dr. F. Molhvo), Natural and Synthetic Rubber : 



Address, 489 

 Porkin (Prof. W. H.), Rubber Synthesis, 194; Fireproof 



Flannelette, 194 

 Perry (Prof. John. F.R.S.), Practical Mathematics, 34; the 



British Association at Dundee, 41 ; a Pioneer in 



.•\pplicd Science : Prof. James Thomson, F.R.S., 563 

 Perrycoste (Frank H.l, a Flower Sanctuary, 71, 162 

 Petersen (J. Fischer), Light-curve of Nova Geminorum 



\o. 2, 315 



Petrie (Prof.), Early Dynastic Tombs near Cairo, 343 



Pfeiffcr (Dr. L.), die steinzeitliche Technik, 622 



Pfund A. H.), Sensitiveness of Selenium to Different 



Colours, 136 

 Philip (.A.) and L. J. Steele, Portable Instrument for Detec- 

 tion of Combustible Gases in Air, 114 

 Philippi (E.), Geological Results of the German Antarctic 



Expedition, 573 

 Phin (John), a Lens or a Burning Glass? 571 

 Piccard (A.), Constitution of Water and Thermal Variatioa 



of the .Magnetisation, 507 

 Pickering (Prof. E. C.) and Miss Cannon, the Variable 



Star 87, 1911, s^o 

 Pickering (Prof. W. H.), Solar Motion Relatively to the 



Interstellar Absorbing Medium, 36S 

 Pictet (Dr. A.), les M&anismes du .M^lanisme et I'.Mbinisme 



chez les Lepidoptferes, 135 

 Pierpoint (Prof. J.), Lectures on the Theory of Functions 



of Real Variables, 642 

 Pierson (Dr. N. G.), A. A. Wotzel, Principles of Economics, 



43' 

 Pinard (.'\.) and .'\. Magnan, Fragility of the Male Sex, 664 

 Pincussohn (Dr. L.), Medizinisch-chemisches Laboratoriums- 



Hilfsbuch, 592 

 Piper (C. W.), Retinal Shadows? 682 

 Pirie (Dr. J. H. H.), Antarctic Bacteriology, 573 

 Plassmann (Dr. Joseph), Jahrbuch der Naturwissenschaften, 



'643 

 Playfair (G. I.), Plankton of the Sydney Water-supply, 213 

 Plimmor (H. G.), Blood Fixation, 663 ; Blood Parasites of 



Animals, 690 

 Plummer (F. G.), Lightning in Relation to Forest Fires, 511 

 Plummer (Prof. H. C.), Motions and Distances of Brighter 



Stars of Type B-B5, 561 

 Pluvinol (Count do la B.) and F. Baldet, Spectrum of 



Brooks's Comet, 29 

 Pocklington (H. C), Diophantine Impossibilities, 402 

 Pccock (Ralph I., F.R.S.), Colouring of Zebras, 418; 



Long-boaked Spiny Anteaters from New Guinea, 469; 



Procryptic Coloration a Protection against Lions, 593 

 Poincar^ (Prof. Jules Henri, For.Mcm.R.S.), Biography 



(Scientilic Worthies), 353 

 Poincet (M.), Wake and Suction astern of Ships, 351 

 Pckrowsky (Dr.), Measuring Angular Diameters of Stars, 



232 

 Pollak (G.), Michael Heilprin and his Sons, 408 

 Pcpe (F. G.), Modern Research in Organic Chemistry, 217 

 Pcpe (Prof.) and C. S. Gibson, Resolution of 5<?c-Bitylamine, 



114 

 Portevin (.V.). Deformation and Annealing of Plastic Alloys, 



638 

 Potior (.A.), Memoiros sur I'Electricite et I'Optique, 246 

 Potts (F. A.), (i) New Species of Phyllorhrctopterus, (2) 



Reproductive Buds in Trypanosyllis, 448 

 Poulton (Prof. E. B., F.R.S.), Polymorphism in a Group 



of Mimetic Butterflies of the Ethiopian Nymphaline 



Genus Pseudacr^ea, 36 ; Attacks of Birds upon Butter- 

 flics, 71 

 Precht (Prof. H.) and Prof. E. Cohen, die Bildungsverhalt- 



nisse dor ozeanischen Salzablagerungen, J. H. van't 



Hoff and others, 616 

 Preston (Prof. T.). Prof. W. E. Thrift, Theory of Light : 



New Edition, 231 

 Price (Dr. T. S.), Per-acids and their Salts, 217 

 Piiestley (J.), Statue LInveiled at Birstall, 253 

 Pringshoim (Dr. E.). die Reizbewegungen dor Pflanzen, 483 

 Pritchard (Dr. E.), Milk, 57S 



Procter (Prof. H. R., editor). Leather Chemists' Pocket- 

 book, 360 

 Proctor (E.), Fish Remains from a Deep Boring at 



Southall, 227, 350 

 Proszynski (K.). the "Aeroscope" Kinematograph Hand 



Camera, 712 

 Putnam (Fred. W.), Anniversary Volume in Honour of, 457 

 PiJtter (Prof. A.), Physiology of Aquatic Animals, 395 



Ou^-nisset (M.), Comet 1912a (Gale). 341 



Ouibell (Mr.), Tombs at Sakkara, Egypt, 343 



Qniggin (Mrs. A. Hingston), Primeval Man : the Stone 



.Ago in W. Europe, 512 1572 ; Torres Straits Textiles, 



518 



