Nature, 
Jtine 13, 1907 
Lndex 
XVil 
Elkin (William L.), Parallax Investigations on 163 Stars | 
mainly of Large Proper Motion, 234 
Elles (Dr. Gertrude L.), the Lower Paleozoic Rocks of 
Pomeroy, 552 
Elliott (Prof. E. B.), Projective Geometry 
Quartic and its Hessian, 407 
Ellis (D.), Spivophyllum ferruginewm, a New Genus and 
Species of Thread Bacteria, 623 
Ellis (John Devonshire), Death and Obituary Notice of, 61 
Ellis (William), Sunspots and Magnetism, 111 
Elongated Shot, the Flight of an, P. D. Strachan, 367; 
Prof. A. G. Greenhill, F.R.S., 367; J. W. Sharpe, 391 
Elster (M.), Radio-active Impurity in Ordinary Lead, 181 
Embalming : a Contribution to the Study of Mummification 
in Egypt, Prof. G. Elliot Smith, 537 
Embley (Dr. E. H.), Pharmacology of Ethyl Chloride, 165 
Emerald Green Sky Colour, J. W. Noble, 199; EF. 
Collins, 224 
Emu, on the Extinct, of the Small Islands off the South 
Coast of Australia and Probably Tasmania, Prof. Henry 
H. Giglioli, 534 
Engineering : New Physical and Engineering Departments 
of the University of Edinburgh, 20; Suction Gas for 
Marine Propulsion, Bernard Dunell, 39; Steam Turbines, 
with an Appendix on Gas Turbines and the Future of 
Heat Engines, Dr. A. Stodola, 50; Steam Turbine En- 
gineering, T. Stevens and H. M. Hobart, 50; Modern 
Turbine Practice and Water-Power Plants, John Wolf 
Thurso, 50; Hydraulic Motors with Related Subjects, 
including Centrifugal Pumps, Pipes, and Open Channels, 
Prof. Irving P. Church, 50; Turbines, W. H. Stuart 
Garnett, 50; Modern Steam Turbines, vol. i., the Schulz 
Steam Turbine, Max Dietrich, 50; Relation of the 
Engineer and Engineering to the World at Large, Sir 
Alexander Kennedy, F.R.S., 62; Single-phase Electric 
Traction, C. F. Jenkin, 85; the Action of Tram-car 
Brakes, 86; Alternating Currents: a Text-book for 
Students of Engineering, C. G. Lamb, 97; the Elements 
of Chemical Engineering, Dr. J. Grossmann, 125; Death 
of Sir Edward J. Reed, K.C.B., F.R.S., 134; Obituary 
Notice of, Dr. Francis Elgar, F.R.S., 153; Sand-blast 
Apparatus used for Testing Building Materials at Gross- 
Lichterfelde Institute, H. Burcharts, 158; Machine Design, 
Prof. Albert W. Smith and G. H. Marx, 172; Elements 
of Mechanical Drawing, A. A. Titsworth, 172; Why the 
Lock System was Adopted for the Panama Canal, Hon. 
W. H. Taft, 181; British Inland Waterways, 212; 
Elementary Principles of Continuous Current Dynamo 
Design, H. M. Hobart, 221; Wave Action in Relation 
to Engineering Structures, Major D. D. Gaillard, 260; 
I Motori a Gaz, Vittorio Calzavara, 291; I Motori ad 
Esplosione, a Gas luce e Gas povero, Fosco Laurente, 
291; I grandi Trafori Alpini, G. B. Biadego, 201; 
Internal-combustion Engines for Marine Purposes, J. T. 
Milton, 325; Text-book on Geodesy and Least Squares 
Prepared for the Use of Civil Engineering Students, 
Prof. Charles L. Crandall, 339; the Tehuantepec Rail- 
ways, 348; Standard Electric Glow Lamps, 380; Applied 
Electricity: a Text-book of Electrical Engineering for 
Second Year Students, J. Paley Yorke. Maurice Solomon, 
389; the Electrician Primers, Maurice Solomon, 389; 
Electricity of To-day: its Work and Mysteries Described 
in Non-technical Language, Charles R. Gibson, Maurice 
Solomon, 389; Physical Chemistry for Electrical En- 
gineers, J. Livingston R. Morgan, 413; on the Properties 
of Alloys of Aluminium and Copper, Prof. H. C. H. 
Carpenter and C. A. Edwards at the Institution of 
Mechanical Engineers, 426; the American Iron Industry, 
E. C. Eckel, 446; Thermodynamics of the Internal- 
combustion Engine, Dugald Clerk, 446; Rivetage, M. 
Fricker, 460; Cams, and the Principles of their Con- 
struction, George Jepson, 460; the Motor Exhibition at 
Olympia, 466; Novel Type of Electric Tempering Fur- 
nace Designed by Ko6rting Brothers, 468; Text-book on 
the Strength of Materials, S. E. Slocum and E. L. 
Hancock, 484; Technical Terminology, 490; J. T. 
Richards, s10; Bridge at the Victoria Falls of the River 
Zambesi, G. A. Hobson, 517; Petrol Motor-omnibuses, 
W. Worby Beaumont, 517; Electric Railway Engineer- 
ing, H. F. Bersball and H. M. Hobart, 531; Flame the 
Working Fluid in Gas and Petrol Engines, Dugald Clerk 
of a Binary 
at Royal Institution, 546; Mechanism of Power Trans- 
mission from Electric Motors, Wilfred L. Spence, 591; 
L’Année technique, 1906, A. Da Cunha, 532; Standards 
and Exact Measurement, Dr. R. T. Glazebrook at Insti- 
tution of Electrical Engineers, 570 
England, Untravelled, James John Hissey, 78 
English Nation, the Origin of the, H. Munro Chadwick, 
W.. A. Craigie, 555 
Entomology: Ueber chitindse Fortbewegungs Apparate 
einiger (insbesondere fussloser) Insektenlarven, Dr. 
Wilhelm Leisewitz, W. F. Kirby, 54; Entomological 
Society, 69, 95, 167, 430, 575, 622; the Dracenta rusina, 
Druce, from Trinidad, W. J. Kaye, 70; Leaf-hoppers 
and their Natural Enemies, 82; Entomological Photo- 
graphy, 83; the Procession of Cnethocampa pinevorax, 
H. H. Brindley, 95; Collection of Oribatidee from 
British Guiana, C. Warburton and N. D. F. Pearce, 95; 
the Museum Beetle, Anthrenus museorum, Prof. A. J. 
Ewart, 215; the Origin of the Name Chermes or 
eames: E. R. Burdon, 216; the Fauna of British India, 
including Ceylon and Burma, Coleoptera, vol. i., 
Cerambycide, C. J. Gahan, 222; a Synonymic Cata- 
logue of Orthoptera, W. F. Kirby, 269; Life-history of 
the Dracunculus medinensis, or Guinea-worm, Mr. 
Leiper, 302; Fertilisation of Flowers by Insects, E. W. 
Swanton, 320; Dr. Alfred R. Wallace, F.R.S., 320; 
Entomology, with Special Reference to its Biological and 
Economic Aspects, Dr. J. W. Folsom, 340; Chinese Scale- 
insect (Aspidiotus perniciosus), C. L. Marlatt, 349; Sand- 
dwelling Insects, C. A. Hart and H. A. Gleason, 399; 
Mexican Cotton-boll Weevil, 495; a New Gooseberry 
Pest, W. E. Collinge, 496; Termis gestroi, the White 
Ant Rubber Pest, E. P. Stebbing, 516; the Histology and 
Development of the Divided Eyes of Certain Insects, 
G. D. Schafer, 541; Antenne-joints in Trachiscelis, 
H. J. Carter, 622 
Entz (La Gaza), Die Biologie des Balatonsees, 79 
Ephemerides of Comets and Planets, 231 
Epic, the Human, the Prehistoric Story of Mankind, John: 
Frederick Rowbotham, 73 
Erosion at Niagara, G. K. Gilbert, 607 
Eruption of Vesuvius in April, 1906, 
163 
Esclengon (E.), Comet 1906hk (Metcalf), 159 
Espin (Rev. T. E.), a New Nebula, 593 
Esposito (M.), Contribution to the Chemistry of the Rare 
Earths, 477 
Esthonian Folk-lore, Dr. Jakob Hurt, 540 
the, Prof. Lacroix, 
Ether, Modern Views of the, Dr. Oliver Lodge, F.R.S., 
519 “ 
Ethnography: Mythes et Légendes d’Australie, Etudes 
d’Ethnographie et de Sociologie, A. van Gennep, 49; 
British North America, I., the Far West: the Home of 
the Salish and Déné, C. Hill-Tout, 584 
Ethnology: Contributions to the Ethnology of the Haida, 
J. R. Swanton, Dr. A. C. Haddon, F.R.S., 68; at the 
Back of the Black Man’s Mind; or Notes on the Kingly 
Office in West Africa, R. E. Dennett, 248; Medizval 
Rhodesia, Dr. David Randall-Maclver, 369; Pagan 
Races of the Malay Peninsula, W. W. Skeat and C. O. 
Blagden, 415; Burma: a Handbook of Practical In- 
formation, Sir J. George Scott, K.C.I.E., 440; Ethno- 
logy of Modern Egypt, Dr. c S. Myers, 454, 478; the 
Lower Niger and its Tribes, Major Arthur Glyn Leonard, 
602 
Etiology of Sleeping Sickness, 56 
Evans (O. H.), the Raised Beaches of Taltal (Northern 
Chile), 215 
Evans-Cross (G. W.), the Myriometer, 503 
Eve (A. S.), Ionisation by Spraying, 533 
Evolution : the Evolution of the Colorado Spiderwort, Prof. 
T. D. A. Cockerell, 7; the Evolution of Man: a Popular 
Scientific Study, Ernst Haeckel, 78; the Problem of 
the Origin of Species, Prof. C. O. Whitman, 109; 
Einfithrung in die Deszendenztheorie, Prof. Karl Camillo 
Schneider, 244; Species and Varieties: their Origin by 
Mutation, H. de Vries, 268; Life and Evolution, F. W. 
Headley, 434; the Analysis of Racial Descent in Animals, 
T. H. Montgomery, jun., 530; Recent Progress in the 
Study of Variation, Heredity and Evolution, R. H. 
Lock, 577 
