Nature, 7 
October 24, 1912 J 
Tarr (Prof. Ralph S.), 118; Tépler (Prof. August), 90; 
Wade (Dr. John), 639; Weber (Prof. H. F.), 403; 
Wernher (Sir Julius, Bart.), 301; Wilson (Dr. Andrew), 
666 ; Woodworth (Dr. W. McM.), 380; Wright (Wilbur), 
351 
Deluge: der Mythus von der Sintflut, G. Gerland, 605 
Dentition of Shrewmice, Dr. Augusta Arnback-Christie- 
Linde, 539 
Desmidiacee, Monograph of the British, W. West and 
Prof. G. S. West, 523 
Destructor Practice, Modern, W. F. Goodrich, 628 
Determinants, Theory of, in the Historical Order of De- 
velopment, Dr. T. Muir, C.M.G., F.R.S., 237 
Dew-gauge, New, S. Skinner, 406 
Diesel Engines: the Selandia, 42, 124; Dr. R. Diesel, 70; 
Some Aspects of Diesel Engine Design, D. M. Shannon, 
250; Trials of the Jutlandia, 304; Diesel Engines for 
Land and Marine Work, A. P. Chalkley, Dr. R. Diesel, 
549 
Dit. Jail Dietaries of the United Provinces in India, 
Major D. McCay, 249; Modern Theories of Diet and their 
Bearing upon Practical Dietetics, Dr. Alex. Bryce, 422; 
Principles of Human Nutrition: a Study in Practical 
Dietetics, W. H. Jordan, 422 
Differential Geometry of Curves and Surfaces, Dr. A. R. 
Forsyth, F.R.S., 579 
Disease Investigations: Grants by Local Government 
Board, 381; Entomology ror Medical Officers, A. Alcock, 
C.1.E., F.R.S., 474; Filariasis and Elephantiasis in Fiji, 
P. H. Bahr, 487 
Disease, Cattle : Gall Sickness, Dr. Theiler, 485 
Disease, Fish, Mr. Johnstone, Mr. Riddell, 
Alexander, 645 
Disease, Plant: der Malvenrost (Puccinea malvacearum), 
J. Eriksson, 397 
Dock, Leviathan, at Liverpool, 384 
Doctor and the People, the, H. de C. Woodcock, 575 
Dog, Guide to the Dissection of the, Dr. O. C. Bradley, 630 
Domestic Animals, Victor Hehn, Prof. A. Nehrings, 165 
Domestic Science, Experimental, R. H. Jones, 604 
Dumfriesshire, Catalogue of Vertebrate Fauna of, H. S. 
Gladstone, 627 
Dundee and District, Handbook and Guide to, 658 
Dwarfs, Dr. M. Jansen, 275; Dwarfism, Dr. H. Rischbieth 
and Amy Barrington, 375 
Dysentery in Fiji, Dr. P. H. Bahr, 275 
and Dr. 
Earth, the: Formation of the Earth’s Surface, C. Becken- 
haupt, 405; Age of the Earth, S. Suzuki, 564 
Earth Light, Origin, Dr. W. J. Humphreys, 355 
Earthquakes: Catalogue of Destructive Earthquakes from 
A.D. 7 to A.D. 1899, Prof. Milne, 197; Earthquakes in 
Norway, 275; Earthquake of May 23, Rev. W. Sid- 
greaves, S.J., 348; Earthquakes in China, N. F. Drake, 
405; Swiss Earthquake Commission, Dr. J. Frith, 431; 
Earthquakes in Isle of Zante, G. Bonavia, 485; Rarity 
of Earthquakes in Brazil, Prof. J. C. Branner, 588; 
Earthquake at Constantinople on August 9, Rev. W. 
Sidgreaves, S.J., 607, 613; South African Earthquakes, 
Dr. J. R. Sutton, 678; see also Seismology , 
Eclipses : les Eclipses d’Hiver et les Eclipses d’Eté, W. de 
Fonvielle, 269; Eclipse Experiment, a Simple, W. W. 
Royal-Dawson, 347; Eclipse of the Sun, see Sun 
Ecology : Pond-snails of Genus Physa, Miss Jean Dawson, 
14; Types of British Vegetation, Members of the Central 
Committee for the Survey of British Vegetation, 212; 
Gamlingay, near Cambridge, R. S. Adamson, 328; das 
Plagefenn bei Chorin, H. Conwentz and others, A. E. 
Crawley, 665 
Education : School Attendance Bill, 232; University Educa- 
tion and Practical Life, A. E. Shipley, 233; National 
Teaching of Science Subjects, 331; Constructive Work 
for Elementary Schools, E. J. S. Lay, 528; Secondary 
and Technical Education in England, 675 
Eel: Eel Migration, A. Cligny, 105; Eels, Dr. H. W. 
Fowler, 225; Reproduction and Spawning Places of the 
Fresh-water Eel, Dr. Johs. Schmidt, 632 
Egg Yield of Ducks for different Foods, A. Magnan, 443 
Egypt: the Survey of Egypt, 126; Notes to Geological Map 
Lndex 
XXI11 
of Egypt, Dr. W. F. Hume, 540; Ancient Egyptian 
Ceramics, W. Burton, 641; Meteorological Report of 
Survey Department, 668; Magnetic Observations at 
Helwan, 669 
Electrical Engineering: Inductance of Compact Coils of 
Wire without Iron Cores, Prof. Brooks and Mr. Turner, 
120; Elementary Course of Practical Applied Electricity 
and Magnetism, W. M. Hooton and A. Mathias, 343; 
Elements of Electrical Transmission, Prof. O. J. 
Ferguson, Prof. Gisbert Kapp, 472; Direct and Alternat- 
ing Current Manual, Prof. F. Bedell, Prof. Gisbert Kapp, 
472; Storage Batteries, Prof. H. W. Morse, Prof. G. 
Kapp, 472; Maschinen und Apparate der Starkstrom- 
technik, G. W. Meyer, Prof. Gisbert Kapp, 472; Design 
of Static Transformers, H. M. Hobart, 475 
Electricity: Batteries, Selenide. H. Pélabon, 364; Con- 
densers, Effect of Temperature and Frequency on 
Capacity and Phase Difference of Paper, F. W. Grover, 
16; Conductivity of a Phosphorescent Body, Influence of 
Temperature and of Light on the, P. Vaillant, 157; 
Currents produced by Electrons emitted by Metals at 
High Temperatures, Dr. K. Fredenhagen, 276; Dis- 
charge in Hydrogen, After-luminosity of, observed by 
Hertz, Hon. R. J. Strutt, 103; Discharge in Oxygen, an 
Anode Dark Space in the, F. W. Aston, 218; Generation 
of Electricity by Carbon at High Temperatures, Dr. J. A. 
Harker and Dr. G. W. C. Kaye, 337; Inductances, 
Method of Measuring small, S. Butterworth, 337; Kerr 
Effect in Liquid Air, Prof. Zeeman, 93; Oscillations, 
Theory of Production of Electric, A. S. M. Sorensen, 
276; Potential Effect in Selenium, E. E. Fournier d’Albe, 
52; Potential Distribution in Kathode Dark Space of 
Vacuum Tube, Dr. K. Eisenmann, 355; Properties, 
Electrical, of Copper-tin Alloys, R. Ledoux, 495; 
Properties, Electrical, of Copper-zinc Alloys, L. Norsa, 
625; Resistance of Mercury at Low Temperatures, Prof. 
Onnes, 42; Applications of Heaviside’s Resistance 
Operators, Dr. W. H. Eccles, 416; Spark, Influence of 
Capacity, &c., on Velocity of Luminous Vapours in the, 
G. A. Hemsalech, 105; Relative Velocities of Luminous 
Vapours of Various Elements in the Electric Spark, 
G. <A. MHemsalech, 157; Electricity Supply: Past, 
Present, and Future: Royal Institution Discourse, 
A. A. C. Swinton, 281; Surface Leakage Experiments 
with Alternating Currents, G. L. Addenbrooke, 416; 
Vibrations on a Thin Anchor Ring, Lord Rayleigh, 493 ; 
Waves, Long Electric: Propagation during the Solar 
Eclipse, Dr. W. H. Eccles, 191; Diurnal Variations of 
the Electric Waves occurring in Nature and Propagation 
of Electric Waves round the Bend of the Earth, Dr. 
W. H. Eccles, 494 
Electricity, Atmospheric: Electric Charge on Rain, (1) 
Prof. McClelland and Mr. Nolan, (2) M. Baldit, 227; 
Variation in Atmospheric Electric Potential with Altitude, 
W. A. D. Rudge, 287; Electric Charge on Rain, J. A. 
McClelland and J. J. Nolan, 521 
Electricity, Technical: George Montefiore Prize to be 
awarded for the best work on Technical Applications of 
Electricity, 224 
Electrochemistry, Applied, Prof. M. de Kay Thompson, 
J. Swinburne, F.R.S., 136 
Electrolytic Effect of Continuous Current on Cells of Living 
Plants, F. Kovessi, 495 
Elephant Calf born at Copenhagen, 275; Congo Water- 
elephant, R. J. Cuninghame, 614 
Elliptic Functions, C. T. Whitmell, 555 
Elms, Revision of British, Dr. C. E. Moss, 275 
Embryology: Rearing Asterias rubens, I... Larvee 
Double Hydroccele, J. F. Gemmill, 426 
Encyclopedia: Handwéorterbuch der Naturwissenschaften, 
edited by E. Korschelt and others, 502 
Engineering: Internal Combustion Air-compressor of the 
Free Piston System, G. Matricardi, 16; Opening of 
Harrison-Hughes Laboratories at Liverpool, 311; Rein- 
forced Concrete Compression Member Diagram, C. F. 
Marsh, 549; Railway Signal Engineering (Mechanical), 
L. P. Lewis, 549; Practical Chemistry for Engineering 
Students, A. J. Hale, 578; see also Electrical 
Engineers, Chemical, Transactions of the American Insti- 
tute of, 549 
Engineers, Mechanical : 
with 
Meeting of Institution of, at 
