sy 
Nature. 
Jute 13 1907 
Index 
XV 
Dawn of Modern Geography, the, C. Raymond Beazley, 
343 
Dawson (H. 
tions, 23 
Day (A. L.), Recent Experiments on the Crystallisation of 
Minerals, 112 
Dehn (F. B.), Anhydride of Phenylsuccinic Acid, 118 
Dehon (P.), Religion and Customs of the Uraons, 41 
M.), the Nature of Ammoniacal Copper Solu- 
-Delage (Yves), Specific Adjuvants of Experimental Parthen- 
ogenesis, 167 
Demenitroux (M.), the Atomic Weight of Dysprosium, 24 
Denegri (M. A.), Mineral Resources of Peru, 517 
Dennett (R. E.), At the back of the Black Man’s Mind, or 
notes on the Kingly Office in West Africa, 248 
Denning (Dr. A. du Pré), the Viscosity of the Blood, 47; 
Five-figure Mathematical Tabies for School and Labor- 
atory Purposes, 482 
Denning (W. F.), the January Meteors, 199; Observations 
of Wenus, 208; February and March Meteors, 342; 
Heights of Meteors observed in 1906, 350; the Markings 
and Rotation Period of Venus, 469 
Denny (A.), Instrument for Measuring the Power given 
off by Turbines, 523 
der Hevden (A. F. van), First Steps in the Calculus, 29 
Derr (Prof. Louis), Photography fer Students of Physics 
and Chemistry, Supp. to March 14, vi. 
Deslandres (M.), Solar Research at Meudon, 469 
Desparmet (E.), Some Reactions of Sodium Amide, 383 
Desplagnes (Lieut.), Lake Region of Central Nigeria, 114 
Deszendenztheorie, Einfihrung in die, Prof. Karl Camillo 
Schneider, 244 
Devon and Cornwall, the Crustacea of, Canon A. M. 
Norman, F.R.S., and Dr. Thomas Scott, 387 
Devonshire Scenery, the History of, an Essay 
graphical Evolution, A. W. Clayden, 127 
Dewar (Sir James, F.R.S.), Absorption of the Radio-active 
Emanations by Charcoal, 6; Absorption of the Inert 
Gases by Charcoal, 126; New Iron Carbonyl and on the 
Action of Light and Heat on the Iron Carbonyls, 477 
Diamonds and Garnets, the Relationship between, J. R. 
Sutton, 488 
Dickinson (H. C.), Heat Treatment of high-temperature 
Mercurial Thermometers, 233 
Dickson (Prof. L. E.), Invariants of the General Quad- 
radic Form Modulo 2, 503 
Dictionary of Philosophy and Psychology, 73 
Diels (Dr. L.), Jugendform and Blutenreife im Pflanzen- 
reich, 194 
Dietrich (Max), Modern Steam Turbines, 
Schulz Steam Turbine, 50 
Dietrichson (L.), Monumenta Orcadica, the Norsemen in 
the Orkneys and the Monuments They have Left, 315 
Differential Equations, Theory of, Dr. A. R. Forsyth, 
F.R.S., Supp. to March 14, x. 
Digby (W. P.), the Depreciation of Electrolytically-pro- 
duced Solutions of Sodium Hypochlorite, 95 
Digestion, Mercers’ Company Lectures on Recent Advances 
in the Physiology of, Prof. Ernest H. Staziing, F.R.S., 
Prof. Benjamin Moore, 219 
Diseases: Immunity in Infective Diseases, Prof. Elie 
Metchnikoff, Prof. R. T. Hewlett, 99; the Milroy Lec- 
tures on Epidemic Disease in England, the Evidence of 
Variability and of Persistency of Type, Dr. W. H. 
Hamer, Prof. R. T. Hewlett, 99; Disease and its Preven- 
tion, Prof. R. T. Hewlett, 99; the Scientific Study of In- 
fectious Diseases, Dr. W. H. Welch at the Rockefeller 
Institute for Medical Research, 213; Incubation or the 
Cure of Disease in Pagan Temples and Christian 
Churches. Mary Hamilton, 366; the Treatment of 
Diseases of the Digestive System, Prof. Robert Saundby, 
366; Ticks as Transmitters of Disease, Dr. J. W. W. 
Stephens, 523; Diseases of Fruit and Fruit-bearing 
Plants, 532 
Dissociation of a Personality, the: a Biographical Study 
in Abnormal Psychology, Dr. Morton Prince, 102 
Dixey (W. A.), Periscopic Lenses in Spectacles, 451 
Dixon (Prof. A. C.), Harmonic Expansions of Functions 
of two Variables, 71 
Dixon (Prof. H. H.), Transpiration Current in Plants, 358 
Dixon (W. A.), the Plants of New South Wales, 366 
in Geo- 
vol. 1... the 
Dixon (Dr. W. E.), a Manual of Pharmacology, 2 
Dizionario di Botanica Generali, Dr. Guglielmo Bilancioni, 
28 
Doberck (Prof.), Catalogue of Double Stars, 64; Orbits of 
three Double Stars, 282 
Dollo (Louis), Prymnothonus Hookeri Refound, 455 
Donington (G. C.), Practical Exercises in Chemistry, 341 
Double Stars, Catalogues of, Prof. Doberck, 64 
Double Stars, Orbits of Three, Prof. Doberck, 282 
Douglas (G. H.), Modern Commercial Arithmetic, 409 
Douglas (J. A.), Changes of Physical Constants in certain 
Minerals and Igneous Rocks, 550 
Dow (G. R.), German Science Reader, 509 
Doyon (M.), the Coagulability of the Subhepatic Blood, 48 
Drogenpulver, Einfuhrung in die mikroskopische Analyse 
der, Dr. L. Koch, 390 
Drygalski (E. von), Der 
seine Formen, 224 
du Jassonneix (Binet), Reduction of Oxide of Chromium 
by Boron, 167; Definite Compounds formed by Chromium 
and Boron, 239 
Dublin: Royal Dublin Society, 190, 359, 479; 
Academy, 119, 407 
Dudgeon (H.), Electric Tramways, $9 
Duggar (B. M.), Value of the Osmotic Pressures in the 
Cells of certain Marine Algz, 4o1 
Duhem (P.), Recherches sur 1’Elasticité, 603 
Dumont (J.), Luminous Radiations and the Richness of 
Wheat in Nitrogen, 239 
Dumont’s (Santos) Airship, 61 
Dunckelman (Dr. F. von), Mitteilungen aus dem deutschen- 
Schutzgebieten; Die Niederschlags-verhaltnisse von 
Deutsch-Sudwestafrika, 616 
Dunell (Bernard), Suction Gas for Marine Propulsion, 39 
Dunell (G. R.), Gyroscopic Apparatus for Steadying Ships, 
561 
Dunstan (A. E.), 
Dunstan (Prof. 
Iron, 390, 477 
Durnford (Lieut.-Colonel C. D.), the Flying-Fish Problem, 
Gaussberg, seine Kartierung und 
Royal Irish 
the Viscosity of Liquid Mixtures, 215 
Wyndham R., F.R.S.), the Rusting of 
109 
Durrant (R. G.), Experimental Evidence of Ionic Migration 
in the Natural Diffusion of Acids and of Salts, 69 
Duthie (J. F.), the Orchids of the North-Western Hima- 
laya, 587 
Dutton (J. Everett), Rapport sur l’Expgdition au Congo, 
1903-5) 35! 
Duval (Georges), Arboriculture Fruitiére, 605 
Dybeck (Georg), Ephemeris for Comet 1906g (Thiele), 257 
Dyeing: Fastness of Indigenous Dyes of Bengal, and 
Comparison with Typical Synthetic Dye-stuffs, part i., 
Dyeing on Cotton, E. R. Watson, 504; Synthetic and 
Natural Indigo, Cyril Bergtheil, 614 
Dynamics: the Dynamics of Bowling, 8; the Scientific 
Papers of J. Willard Gibbs, 361 
Dynamo Design, Elementary Principles of Continuous Cur- 
rent, H. M. Hobart, 221 
Earle (Rev. A.), Essays upon the History of Meaux Abbey 
and some Principles of Mediwval Land Tenure, based 
upon a Consideration of the Latin Chronicles of Meaux, 
170 
Earth’s Rotation, Model to illustrate Effects of the, 
G. Blum, 448 
Earthquakes: Earthquakes in Iceland, 60; in Jamaica, 
83; Earthquake at Kingston, Jamaica, 278, 514; Dr. 
Charles Davison 296; Earthquake at Kingston on 
January 18, Prof. P. Carmody, 398; Earthquake in 
Perth, Western Australia, 83; Earthquakes in Russia, 
205; in Chili, 205; in Sweden, 278; in Norway, 278; at 
Simalu, 300; in Australia, 347; Calabrian Earthquake 
of September 8, 1905, 398; the Valparaiso Earthquake, 
August 17, 1906, R. D. Oldham, 439; Seismogram of 
Valparaiso Earthquake of August 17, 613; Earthquake 
at Bitlis, 539; the Earthquake at Bitlis on March 20, 
565; the Study of Earthquakes, 586; the Mexican Earth- 
quake, 589, 610; the Upheaval of the Sea Coast by 
Earthquakes, Dr. T. J. J. See, 224; J. M., 224 
