Nature, ~\ 

 April II, igizj 



Index 



XXV 



Harker and Dr. G. W. C. Kaye, 537 ; Ions, Mobility of 

 the Positive and Negative, in Gases at High Pressures, 

 Dr. Alois F. Kovarik, 401 ; Keyr Effect in Gases and 

 Vapours, E. Giurgea, 402 ; Lighting : les Lampes Elec- 

 triques. Prof. H. P6cheux, 512 ; der elektrische Licht- 

 bogen : Experimentalvortrag, Prof. H. Th. Simon, 512 ; 

 Measurement, Electrical, Practical Standards for, British 

 Association Report, 128 ; Measurements of Small Dis- 

 placements by Electrical Means, A. Guillet, 269 ; 

 Potentials between 20,000 and 300,000 volts. Measurement 

 of Explosive, P. Villard and H. Abraham, 269 ; Power, 

 Electric, from the Mississippi, C. M. Clark, 162 ; 

 Properties, Electrical, of the Alkali Metals, of Rhodium, 

 and of Iridium, MM. Broniewski and Hackspill, 67 ; 

 Resistance and Thermoelectricity of Tantalum, H. 

 P^cheux, 269 ; Resistance of Special Steels, O. Boudouard, 

 403 ; Sparks in Rarefied Air under the Action of a 

 Magnetic Field, A. Righi, 437 ; Stress, Electric, between 

 Two Unequal Spherical Electrodes, Maximum Value of. 

 Dr. A. Russell, 234 ; Vegetation : the Electro-vegetometer, 

 C. E. Benham, 41 ; Electricity and Vegetation, Sir Oliver 

 Lodge, F.R.S., 107; Influence of Electricity (Direct 

 Current) on Development of Plants, F. Kovessi, 539 



Electrochemistry : 1 'Evolution de I'Electrochimie, Prof. W. 

 Ostwald, E. Philippi, 106; see also Chemistry, Physical 



Electromotive Force of the Normal Weston Element, Deter- 

 mination in Absolute Measure, P. Janet and others, 32 



Embryology : Formation of Embryos in the Hop by the 

 Action of the Pollen of Hemp, J. Tournois, 269; Sub- 

 division of the Spinal Canal in the Lumbar Region of 

 Chick Embryos, Helen Kelsey, 272 ; a Laboratory Text- 

 book of Embryology, Prof. C. S. Minot, 347 



Encyclopaedia Britannica : Articles on Ancient History and 

 Archaeology from the New (nth) Edition, 342 



Engineering : Engineering Problems and the Education of 

 Engineers : Presidential Address, Dr. W. C. Unwin, 

 F.R.S., 92 ; Concrete Pile Foundations, " Simplex " 

 Method, A. Melville, 123 ; Manual of Civil Engineering 

 Practice : Specially arranged for the LTse of Municipal 

 and County Engineers, F. Noel Taylor, 240 



Engines : Marine Engine Design, Prof. E. M. Bragg, 4 ; 

 Design of Surface Condensers, R. M. Neilson, Mr. Weir, 

 123 ; Engines and Boilers Practically Considered : a 

 Handbook for Young Engineers, W. McQuade, 376 ; 

 Notes on the Operation of Two Winding Engines, H. M. 

 Morgans, 470 



Enteritis associated with Infection of the Intestinal Wall by 

 Cyst-forming Protozoa in Australian Animals, J. A. 

 Gilruth and L. B. Bull, 539 



Ethnology : Notes on West African Categories, R. E. 

 Dennett, 38 ; Smithsonian Report, 163 ; Mafulu Mountain 

 People of British New Guinea, R. W. Williamson, 164 ; 

 Beach-la-mar, the Jargon of the W. Pacific, Wm. 

 Churchill, Sidney H. Ray, 295 ; Africa : the Baganda, 

 Rev. J. Roscoe, A. E. Crawley, 450; Indian Tribes of 

 the Lower Mississippi Valley and Adjacent Coast, J. R. 

 Swanton, Dr. A. C. Haddon, F.R.S., 527 



Evolution : Charles Darwin's Earliest Doubts concerning 

 the Immutability of Species, Prof. J. W. Judd, C.B., 

 F.R.S., 8; Evolution of Plants, Dr. D. H. Scott, 

 F.R.S., 39; Evolution of Inoceramus in the Cretaceous 

 Period, H. Woods, 200; Evolution, Life, and Religion, 

 Rev. E. B. Kirk, 208 ; Convergence in Evolution, Dr. A. 

 Willey, F.R.S., 237; Some Neglected Factors in Evolu- 

 tion : an Essay in Constructive Biology, H. M. Bernard, 

 272 ; Momentum in Evolution : British Association Paper, 

 Prof. Arthur Dendy, F.R.S., 301 ; the Doctrine of Evolu- 

 tion : its Basis and its Scope, Prof. H. E. Crampton, 

 508 ; Einfiihrung in die Deszendenztheorie, Prof. Karl C. 

 Schneider, 508 ; see also Chromosome 



Examinations : Place in Education, 197 ; Examinations in 

 Secondary Schools, Prof. J. Wertheimer, 587 



Explosions, Dust, Prof. W. Galloway, 147, 212; A. Shonk, 

 212 



Explosives, the Mode of Firing, MM. Taffanel and 

 Dautriche, 67 



Eves : Are Eyes ever Autophanous? Col. J. Hcrschel, R.E., 

 'F.R.S.. 377; Dr. Alex. Hill, C. V. Boys, F.R.S., 

 R. A. G., 446-447; the Luminosity of Cats' Eyes, A. R. 

 Hunt, 414; Human Eyes Shining, T. W. Backhouse, 517 



Feeble-minded, the : a Guide to Study and Practice, Dr. 

 E. B. Sherlock, Sir H. B. Donkin,'io4; Feeble-minded- 

 ness in Children of School Age, Dr. C. P. Lapage, Miss 

 Mary Dendy, 104 



Fermentation : Einfiihrung in die Mykologie der Nahrungs- 

 mittelgewerbe, Prof. A. Kossowicz, 377 ; Einfiihrung in 

 die Mykologie der Genussmittel und in die Garungs- 

 physiologie. Prof. Alex. Kossowicz, Dr. A. Harden, 

 F.R.S., 578 



Ferns : die Geographie der Fame, H. Christ, 136 



Fertilisers, Use of Phosphatic, in France, M. Risler, 429 



Fire-damp, see Chemistry 



Fireflies, Nature of Light emitted by, Puran Singh and 

 S. Maulik, in ; F. A. McDermott, 279 



Fish : British Isles, Fresh-water Fishes of the, C. Tate 

 Regan, 373; Colours of Fishes, W. B. Croft, iii; 

 Drought, Fish and, J. Y. Buchanan, F.R.S., 107, 144; 

 Eels : Breeding of the Eel, C. Miiller, 462 ; Eels of 

 Africa, Mr. Boulenger, 462 ; Faculty of Learning in the 

 Marine Fishes Coris julis, M. Oxner, 573 ; Irish Fisheries 

 Investigations, note, 463 ; Osteology of Scomberoid Fishes, 



E. A. Starks, 462 ; Photography : Marvels of Fish Life as 

 Revealed by the Camera, Dr. F. Ward, 316; Salmon, 

 Study of Scales of, Miss P. C. Esdaile, 132 ; Sting-rays, 

 Fresh-water, of the Ganges, B. L. Chaudhuri, 337 ; see 

 also Herring 



Fish-migration, 463 



Flint, Fracture of, by Nature and bv Man, J. Reid-Moir, 



295 

 Flying Machine, see Aeronautics 



Food and Length of Intestine in Mammals, A. Magnan, 

 ^437. 573 



Foot-and-Mouth Disease, Committee to Investigate, 116 

 Forestry : Forest Flora of the Siwalik and Jaunsar Forest 



Divisions, U. Kanjilal, 5 ; Smithsonian Report, H. S. 



Graves, 162 ; Vocabulaire Forestier : Fran9ais — Allemand 



— Anglais, J. Gerschel, Prof. W. R. Fisher, 311; 



Forestry Education at Edinburgh University, 328 ; Forestry 



in Norway, S. Burtt Meyer, 360 

 Fossils : Silurian Trilobites in Victoria National Museum, 



F. Chapman, 304 ; New Species of Favosites from the 

 Yass District, N.S. Wales, A. B. Walkom, 437 ; Fossils 

 from Bray Head, Co. Wigklow, Rev. W. J. Ryan and 

 T. Hallissy, 605 ; see also Palaeobotany 



Fowls, see Bird 



France and the Endowment of Research, A. E. Crawley, 



317 

 Frogs and Toads, Habits of British, G. A. Boulenger, 199 

 Frost, Glazed, Ch. Harding, 414 ; a Reminiscence, Prof. 



R. Meldola, F.R.S., 447; E. R. Marie, 484; W. Ermen, 



550; Hon. Rollo Russell, Ch. Harding, A. Watt, F. G. 



Belton, E, W. Jeffreys, 516 

 Fungi, Life of, in Fatty Acids, A. Roussy, 99 ; Chemical 



Composition of some of the Higher Fungi, A. Goris and 



M. Mascre, 201 

 Furs, Rubber-backed Moth-proof, 19 



Gardening : the Herb-garden, Miss Frances A. Bardswell, 



103 ; Gardens shown to the Children, Janet H. Kelman 



and Olive Allen, J. A. Henderson, 444; Farm and 



Garden Rule-book, L. H. Bailey, 512 



Genetics of Plants : Einfiihrung in die experimentelle 



Vererbungslehre, Prof. E. Baur, 36 

 Geography : 



General : Text-book of Geography, G. Cecil Fry, 5 ; 

 Modern Geography, Dr. M. I. Newbigin, 39 ; the 

 Nations of the Modern World : an Elementary Study 

 in Geography, H. J, Mackinder, 73 ; British : Aber- 

 deenshire, A. Mackie ; Huntingdonshire, Rev. W. M. 

 Noble ; Ireland, O. J. R. Howarth ; Worcestershire, 

 L. J. Wills, 73 ; Canada : Historical Geography of, 

 J. D. Rogers, 440 

 Geography, Anthropo- : Influences of Geographic Environ- 

 ment, Ellen C. Semple, loi 

 Geology : 



General : the Changeful Earth : an Introduction to the 

 Record of the Rocks, Prof. G. A. J. Cole, 37 ; the 

 Student's Lyell : the Principles and Methods of Geology, 

 as applied to the Investigation of the Past History of 



