Nature 

 September 20, 



>> i9'7J 



Index 



XXV 



Diderot's Early Philosophical Works. Translated and 

 Edited by M. Jourdain, 343 



Diet : and Body Conditions, etc.. The Interrelation between, 

 R. J. iVndefrson and G. Lusk, 400; Growth, and the 

 Chemical Composition of the Body, Interrelations be- 

 tween, L. B. Mendel and S. E. Judson, 140 



Diffraction : Colour Box, A, A. \V. Clayden, 97 ; Phenomena 

 in the Testing of Optical Surfaces, S. K. Banerji, 206 



Diffusion of a Salt at a Definite Concentration, Calculation 

 of the Coefficient of, Dr. A. Griffiths, 77 



Disabled, The Future of the, 413 



Disease, .Adaptation and, Lt.-Col. J. G. Adami, 495 ; 



Dotterell, Breeding Habits of the, Miss M. D. Haviland ; 1 

 Nesting Habits of the, in Scotland, Capt. C. S. Meares, 

 329 



Dragon-flies, Zygopterid, Morpholep of the Caudal Gills j 

 of the Larv« of, R. J. Tillyard, 259 



Drakensberg Range, Plant Ecolc^y of the. Prof. J. W. 

 Bews, 430 



Draper. Henry, Gold Medal, The, presented to Prof. A. \. I 

 Michelson, 212 1 



Drosophila : Bearing of Selection Experiments wth, upon the 

 Frequency of Germinal Changes, E. C. MacDowell, 

 380 ; mel'anogaster, Meigen, Food of, J. P. Baumberger, 

 179 



Drugs, The War, and our Supply of, F. .\. Hocking, 90 



Drum-fire, G. F. Sleggs, 513 



Dublin, A Geological Map of, 270 



Dunstania, The Systematic Position of, R. J. Tillyard, 373 



Dust, Fogs, and Clouds, and Dew, Dr. J. .Aitken, 192 



Dutch Congress of Natural and Medical Sciences, The, 189 



Dyeing in Germany and .America, with Notes on Colour Pro- 

 duction, S. H. Higgins. Second edition, 303 



Dye : -making Industry, Establishment of a Temporary 

 Department of, of the Board of Trade, 328 ; Problem, 

 The, among the Entente Powers, Prof. G. T. Morgan, 

 406; Synthesis, Problems in. Prof. T. H. Norton, 531 



Dynamics : R. C. Fawdry. Part i., 102 ; of the Particle 

 and Rigid Body, Elementary, Prof. R. J. A. Barnard, 

 322 



Dysenteries, Les, Le Cholera .Asiatique, Le Typhus Exan- 

 th^matique, H. Vincent et L. Muratet, 363 



Earth, The Figure of the, The Configurations of .Astro- 

 nomical Masses and, J. H. Jeans, 317 

 Earthquake, A Great, Registered on May i, 211 

 Easter Island Expedition, Results of the, Mrs. S. Routledge, 



351 



Echinoderms, New Analyses of, F. W. Clarke and R. M. 

 Kann, 500^ 



Eclipse Test of Einstein's Theory of Gravitation, Sir F. W. 

 Dyson, 54 



Eclipsing Variables, Prof. H. N. Russell, M. Fowler, and 

 M. C. Borton, 512 



Economics of Life Insurance, 215 



Ecuador, Progress of a Swedish Expedition in, 30 



Edinburgh : and St. Andrews, the Universities of, Sir W. 

 W' atson Cheyne elected Member for, 499 ; Royal Society 

 of, .Award of Prizes of the, 312 ; Election of Fellows 

 of the, 30 



Edison Medal of the American Institution of Electrical 

 Engineers. The, awarded to Nikola Tesla, 328 , 



Education : .Address on. Lord Haldane, 478 ; and .Administra- { 

 tion, Science in, 455 ; and Research, H. G. Wells, 141 ; 

 Bill, The New, H. A. L. Fisher, 485; Board of. Re- \ 

 moval of the Offices of the, 318; Report of the, 1915-16, 

 395 ; The Future Policy of the, 338 ; Continued and 

 Specialised, in England and Wales, 252 ; Continuative, 

 in France, C. Brereton, 288 ; German and English, a 

 Comparative Study, Dr. Fr. De Hovre, 201 ; Higher, 

 and the War, Prof. J. Burnet, 361 ; in England, H. G. 

 Wells, 186 ; Modern, The Lack of Science in, with 

 Some Hints of What Might Be, Sir Napier Shaw, 367 ; 

 National Reforms in, 167; Science and. Civil Service 

 Estimates for, 175 ; Natural Science in. The Master 

 of Balliol, 419 ; New Ideals in. Conference on, 418, 519 ; 

 Technical, F. M. Denton, 177; in South Wales, Prof. 

 J. Wertheimer, 533 ; The Future of. Prof. J. B. Farmer, 

 367 ; The Permanent Values in, K. Richmond, 201 



Educational: Ideals, 201; Progress, The Bedrock of, ia6; 

 Reconstruction, 356; National Conference 00, »ij ; 

 Reform, H. A. L. Fisher, 17 ; 156 



Edward .Medal, The, awarded to the Representatives of the 

 late A. Angel and G. Wenborne, 350 



Effort, The Physiopathology of, J. Amar, 520 



Egyptian Almanac, 1917, The, 53 



Electric : and .Magnetic .Measurements, C. M. Smith, 401 ; 

 Carrier in Coj^jer, Silver, and Aluminium, Mass of the, 

 R. C. Tolman and T. D. Stewart, 160 ; Conductivity 

 of Metals, .\ Possible Function of the Ions in the, 

 E. H. Hall, 219; Discharge from Scythe, J. R. Pannell, 

 324 ; C. E. Benham, 366 ; Furnaces, Gallenkamp's List 

 of Small, 53 ; Power Supply, .Appointment of a Com- 

 mittee on, 89 ; Searchlight Projectors, The Range of, 

 J. Rey, Translated by J. H. Johnson, 401 ; Switch and 

 Controlling Gear, Dr. C. C. Garrard, 2 ; Traction : A 

 Treatise on the Application of Electric Power to Tram- 

 ways and Railways, A. T. Darr, 341 



Electrical : Laboratory Course for Junior Students, Prof. M. 

 Maclean, 402 ; Measurements and Testing : Direct- and 

 .Alternating-Current, C. L. Dawes, 402 ; Made at Boa 

 Vista, Brazil, during the Total S<^ar Eclipse in 191a, 

 Drs. W. Knoche and J. Laub, 213 



Electricity : and Agriculture, Formation of a Committee on, 

 69 ; Practical, .A Laboratory Course of, for Vocational 

 Schools and Shop Classes, M. J. .Archbold, 402 



Electrification of our Railways, The, Dr. A. Russell, 341 



Electrogenes en Regime Trouble, Lemons sur le Fonctionoe- 

 ment des Groupes, Prof. L. Barbillion, 2 



Electrotechnical Boirfcs, Dr. A. Russell, 401 



Electrotherapy, The History of, H. Colwell, 130 



Electron and of Related Constants, .A Re-determination of 

 the Value of the, R. A. Millikan, 379 



Elephant-ivory and the Evolution of the Elephant, Dr. 

 W. D. Matthew, 18 



Elgin Marbles, History of the Acquisition of the, .A. H. 

 Smith, 31 



Elliot, Daniel Giraud, Memorial Medal Fund Established, 

 489 



Ellis Mycological Collection, The, Acquired by the Kew 

 Herbarium, 490 



Empire Development and Organisation, 165 



Employ^, The Method of Choosing an, 350 



Engineering : Applications of Higher Mathematics, V. 

 Karapetoff. Parts ii. to v., 102 ; Drawing, The Ele- 

 ments of, E. Rowarth, 103 ; Experiment Stations, 228 ; 

 Scientific, Dr. A. Russell, 2 



Engineers, Technical Education for, M. Longridge, 198 



England and Walts, a Scheme of Rational Administrative 

 Divisions few, 52 



Enteritis, Bacillary, from the Eastern Mediterranean, Drs. 

 Rajchman and Western, 130 



Enzyme Action, The Method of. Dr. J. Beatty, 443 



Enzymes, The Action of, 443 



Eoanthropus dawsoni : Evidence of a Second Skull of. Dr. 



A. Smith Woodward ; Form of the Frontal Pole of 

 an Endocranial Cast of. Prof. G. Elliot Smith, 78 



Epinepelus striatus, Bloch, Rheotropism of, H. Jordan, 219 

 Esperanto: Rev. A. J. Ashley, 318; and Why We Need It, 



B. Long, 518 



Ether, Immobility of the. Prof. P. Zeeman, 132 

 Ethnobotany of the Tewa Indians, W. W. Robbins, J. P. 



Harrington and Miss B. Fre ire-Mar reco, 291 

 Etoiles, Recherches sur les Mouvements Propres des, 



R. Furuhjelm, 175 

 Euplexia lucipara taken in the British Isles and in Canada, 



W. H. T. Tams, 410 

 Evolution : by Means of Hybridization, Dr. J. P. Lotsy, 43 ; 



Theorv of, A Critique of the. Prof. T. H. Morgan, 



181 

 Exmoor, .A Large Part of. Placed under the National Trust, 



Sir T. Acland, 31 

 Expansion of the Alloys of Iron and Nickel, Changes in 



the, C. E. Guillaume, 359 

 Experimental and Research Station, Turner's Hill, Cbes- 



hunt. Second Annual Report, 127 

 Exi^osion of April 2, 1916, Distance of Places Where 



Heard, 250 

 Explosive. A New, 289 



