XX 



Index 



[Nature, 

 April II, 1912 



West (G. S.)i das Phytoplankton des Susswassers, Prof. 



H. Bachmann, 277 

 Westell (W. P.), A. R. Horwood, the Young Ornithologist : 



a Guide to the Haunts, &c., of British Birds, 352 

 Whiddington (R.), Characteristic Rontgen Radiations, 143 

 White (Gilbert), the Natural History and Antiquities of 



Selborne, illustrated by G. E. Collins, 174 

 White (Dr. Jean), " Bitter Pit " in Apples, and Arsenical 



Sprays, 463 

 Whitehead (Dr. A. N.), Place of Mathematics in a Liberal 



Education, 422 

 Whitmell (C. T.), Early Visibility of the New Moon, 89 

 Whytlaw-Gray (R.) and Sir W. Ramsay, the Atomic 



Weight of Radium, 537 

 Wien (Prof. W.), awarded Nobel Prize for Physics, 49 

 Wiesner (Prof. J. v.). Light ultilised by Plants, 463 

 Wilk (Prof. Anton), a Bright Meteor, 494 

 Wilks (Sir Samuel, Bart., F.R.S.), Obituary Notice, 83 

 Willey (Dr. A., F.R.S.), Convergence in Evolution, 237 

 Williams (Dr. C. Theodore), Old and New Views on the 



Treatment of Consumption : Harveian Oration, 27 

 Williamson (R. W.), Mafulu Mountain People of British 



New Guinea, 164 

 Willing, Press Guide, 388 



Willis (Dr. A. R.), Testimonial to, on Retirement, 384 

 Willis (B.), "What is Terra Firma," 162 

 Wills (T^. J.), Worcestershire, 73 

 Willstatter and Esch (Drs.), Isolation of Yellow Pigment 



of Yolk of Egg, 493 

 Wilson (C. T. R., 'F.R.S.), awarded Royal Society's 



Hughes Medal, 49, 184 

 Wilson (Prof. James), Inheritance of Dun Coat-colour in 



Horses, 337 

 Wilson (J.), Juvenile Employment and Continuation Educa- 

 tion, 1^31 



Wilson's Folding Globe, 5 



Winkel (R.), New Microscope Objectives and Accessories, 

 329 



Winter (J.), the Gastric Acidity, 436 



Witherby (Mr.), Bird-marking, 119 



Wolf (Prof. Max), Distance of Spiral Nebulae, 494 



Wolf-Czapek (K. W.), and others, Angewandte Photo- 

 graphie in Wissenschaft und Technik, 275 



Worden (Dr. Edward C), Nitrocellulose Industry, 69 



Worthington (Prof. A. M., C.B., F.R.S.), Teaching of 

 Electricity in Schools, 413 



Worthington (J. H.), Martian Detail, 550 



Wood (Lieut. -Col. William), Animal Sanctuaries in Labra- 

 dor, 60 



Woodland (Dr. V.. N. F.), Systematic Position of the 

 Cyclostomes, 24 ; Renal Organs of Squilla, 26 



Woods (H.), Evolution of Inoceramus in the Cretaceous 

 Period, 200 



Wood%vard and Ormerod (Messrs.), Inscriptions and Pre- 

 historic Pottery in S.W. Asia Minor, 381 



Wourtzel (E.), New Determination of the Atomic Weight 

 of Nitrogen, 437 



Wright (Mr.), Presence of Deeply Submerged Forests and 

 Peat-beds in S. Britain, 57 



Wright (Orville), Gliding Experiments, 15, 49, 117 



Yapp (Prof. R. H.), Causes determining Formation of 

 Hairs and Palisade Cells in Plants, 58 



Young (Prof. A. H.), Obituary Note, 592 



Young (Prof. J. W.), W. W. Denton, Lectures on Funda- 

 mental Concepts of Algebra and Geometry, 409 



Young (Dr. W. H., F.R.S.), the Analytical Basis of Non- 

 Euclidean Geometry, 290 



SUBJECT INDEX. 



Admiralty Reorganisation, 353 



Aeronautics : Ballistic Problem : R^sum^ of Formulae, E. 

 Vallier, 437 ; a Compendium of Aviation and Aerostation : 

 Balloons, Dirigibles, and Flying-machines, Lieut. -Col. 

 H. Hoernes, J. H. Ledeboer, 346 ; Gliding Experiments, 

 Orville Wright, 15, 49, 117; the Helicopter Flying- 

 machine, J. Robertson Porter, 346 ; Langley Memoir 

 on Mechanical Flight : Smithsonian Contributions, Dr. 

 S. P. Langley, C. M. Manly, M. E. J. Gheury, 451 ; 

 Military Aviation, Col. Seely, 15 ; Parachutes, Velocity 

 of, Ch. Bouchard, 32 ; Propellers for Flying Machines, 

 Tests of, MM. Legrand and Gaudard, 329 ; Reports, 

 Technical, of the Advisory Committee for Aeronautics 

 for 1910-1911, 217; Smithsonian Report, O. Chanute, 

 162 ; Stability in Aviation, Prof. G. H. Bryan, F.R.S., 

 406 



Africa : the Preservation of African Fauna and its Relation 

 to Tropical Diseases, Sir H. H. Johnston, G.C.M.G., 

 K.C.B., 202; the Climate of the Continent of Africa, A. 

 Knox, Sir H. H. Johnston, G.C.M.G., K.C.B., 305 

 Central : Geography and Economic Development of 

 British Central Africa, Sir A. Sharpe, K.C.M.G., 

 C.B., 195 

 East: Man and Beast in Eastern Ethiopia, J. Bland- 

 Sutton, Sir H. H. Johnston, G.C.M.G., K.C.B., 346 

 West : Agricultural and Forest Products of British West 

 Africa, G. C. Dudgeon, 443 



Agglutination, the Factors concerned in, H. R. Dean, 234 



Agriculture : Southern Field Crops (exclusive of Forage 

 Plants), Prof. S. F. Duggar, 3 ; Teaching of Agriculture 

 in the High School, Garland A. Bricker, 70 ; Agricul- 

 tural Education : Report of Deputation to Canada and 

 U.S.A., 114; Memorandum on Principles and Methods 

 of Rural Education (Board of Education), 114; Agricul- 

 ture and Soils of Kent, Surrey, and Sussex : Board of 

 Agriculture Report, A. D. Hall, F.R.S., and Dr. E. J. 



Russell, 275 ; Farm and Garden Rule-book : a Manual 

 of Ready Rules and Reference, L. H. Bailey, 512 



Albinism in Man, Monograph on, Prof. K. Pearson, 

 F.R.S., 441 



Algebra : a School Algebra : Part ii., H. S. Hall, 105 ; 

 Algebra, Part II., for Examinations of Indian Universi- 

 ties, Prof. K. P. Chottoraj, 207 



Alimentary Canal, Sensibility of the : Goulstonian Lec- 

 tures, Dr. A. F. Hertz, 273 



Alkali, Manufacture of Sulphuric Acid and. Prof. G. 

 Lunge, 206 



Alloys : Properties of Alloys at High Temperatures : Ten- 

 sile Tests, G. D. Bengough, 427 ; Nomenclature of 

 Alloys, Dr. W. Rosenhain, 427 ; Behaviour of certain 

 Alloys when heated in vacuo. Prof. T. Turner, 428 ; 

 Copper-Zinc Alloys, Experiments on the Critical Point 

 at 470° C, Prof. H. C. H. Carpenter, 428; Structure of 

 Ternary Alloys, G. H. Gulliver, 604 



American Association, Washington Meeting, 382 



Anatomical Modification produced in Plants by Dust from 

 Tarred Roads, C. L. Gatin and M. Fluteaux, 166 



Ancient Hunters and their Modern Representatives, Prof. 

 W. J. Sollas, F.R.S., 405 



Ancient Monuments, Protection, Sir Schomberg McDonell, 



394 



Animal Intelligence, E. L. Thorndike, Dr. Wm. Brown, 

 306 



Antarctic : I'Assaut du Pole Sud, I'Abb^ Th. Moreux, 76 



Anthropo-geography, Influ:!nces of Geographic Environ- 

 ment, on the Basis of Ratzel's System of, Miss Ellen C. 

 Semple, loi 



Anthropological Survev of Canada, Dr. A. C. Haddon, 

 F.R.S., 598 



Anthropology : .Australia, Anthropological Research in 

 Northern, Prof. W. Baldwin Spencer, 12 ; Contour 

 Diagrams of Human Crania, Dr. C. Bennington, 261 ; 



