Nature, "| 

 July 28, iQioJ 



Index 



xvn 



sural Organ of Lower Vertebrates, with Special Reference 

 to the Distribution of Reissner's Fibre in the Vertebrate 

 Series and its Possible Function, 447 



Denig^s (G.), Detection of Traces of Formaldehyde in 

 Presence of Acetaldehyde by Fuchsine Bisulphite, 89 ; De- 

 tection of Methyl Alcohol in General and Especially in the 

 Presence of Ethyl Alcohol, 180 ; Presence of Tartaric 

 Residues of Wine in an Ancient Flask, 419 



Deninger (Dr. K.), Distinction between the Babirusa of 

 Boru and its Relative of Celebes, 346 



Denning (W. F.), Fireball of February 17, 19 ; Brilliant 

 Fireball of February 27, 45 ; Meteoric Astronomy, 140 ; 

 April Shooting Stars, 201 ; Halley's Comet, 260; Meteors 

 from Halley's Comet, 320; Fireball in Sunshine, 339; 

 Meteoric Fireball of June i, 444 ; Meteorite at Bombay, 



533 



Dermaptera (Earwigs), the Fauna of British India, includ- 

 ing Ceylon and Burma, Dr. Malcolm Burr, 187 



Descent of a Sphere in a Viscous Liquid, the, A. B. Basset, 

 F.R.S., 521 



Desert Plants, Distribution and Movements of, V. M. 

 Spalding, Prof. Percy Groom, 250 



Deslandres (H.), Spectrum of the Comet 1910a, 119, 140; 

 Distribution of the Filaments in the Upper Layer of the 

 Atmosphere, 290 • Influence of Comets on the Terrestrial 

 Atmosphere according to the Kathodic Theory, 418 ; 

 an Extraordinary Solar Filament, 547 



Destruction of Wild Flowers, Thoughtless, Surgeon-Major 

 Geo. Henderson, 428 



Deutschland, die Winde in, 432 



Dewar (Sir James), Long-period Determination of the Rate 

 of Production of Helium from Radium, 58 



Dewar (J. M.), Manner in which the Ovster-catcher breaks 

 the Shell of the Purple Whelk {Purpura lapillus), 262 



Dewey (Prof. John), Method and Matter of Science, 116 



Dh6r6 (Ch.), Preparation of Demineralised Gelatin and 

 some of its Chemico-physical Properties, 239 ; Method of 

 Preparing a Serum very free from Electrolytes by Elec- 

 trical Dialysis, 299 



Diagnosis, Aids to Microscopic (Bacterial and Parasitic 

 Diseases), Capt. E. Blake Knox, Prof. R. T. Hewlett, 367 



Diamonds, Sir William Crookes, F.R.S., 152 



Diener (Prof. C), Lower Triassic Cephalopoda, 445 



Dilatometer, an Improved Weight, A. V. C. Fenby, 370 



Dines (W. H., F.R.S.), the Stability of an Aeroplane, 68; 

 the Free .Atmosphere in the Region of the British Isles, 

 220; the Stability and Efficiency of Kites, 310; 

 Meteorological Observations during the Passage of the 

 Earth through the Tail of Halley's Comet, 427 



Dingwall (G. C.), Experimental Geography, 426 



Disease, .Administration and, 226 



Dixon (E. E. L.), the Carboniferous Succession in Gower 

 (Glamorganshire), 146 



Dixon (Prof. H. B.), Union of Hydrogen and Oxygen in 

 Flames, 467 



Dixon (R. B.), Language of the Yana Tribe of Indians, 165 



Dobbs (W. J.), Weighing and Measuring, 338 



Dobell (C. Cliflord), Protozoology, Prof. Gary N. Galkins, 

 519 



Doberck's (Prof.) Double-star Observations, 109 



Doflein (Dr. F.), Lehrbuch der Protozoenkunde, i 



Dogiel (Dr.), the Genus Haplozoon, 166 



Dolbear (Dr. A. E.), Death of, 75 



Doniinici (H.), Persistent Radio-activity of the Organism 

 resulting from the Intravenous Injection of an Insoluble 

 Salt of Radium, 120 



Donitch (Prof.), Halley's Comet, 439 



Doolittle (Prof. EricV Double Stars, 506 



Double-star Observations, Prof. Doberck's, 109 



Double Stars, Prof. Eric Doolittle, 506 



Double Stars, Measures of, Mr. Olivier, 320 



Double Stars, Observations of Southern, Mr. Innes, 169 



Douwe (C. van), Copepoda, Ostracoda, Malacostraca, 421 



Dowhng (D. B.), the Coal Fields of Manitoba, Saskatche- 

 wan, .Alberta, and Eastern British Columbia, 261 



Downey (Miss June E.), Determination of Sex from Hand- 

 writing, 407 



Downing (Dr.), Periodic Errors in Right Ascension of 

 Standard Star Catalogues, 169 



Drake-Brockman (R. E.), the Mammals of Somaliland, 39! 



Dreaper (VV. P.), Nature of the Action of Dyeing, 238 



Drecq (.M.), Certain Conditions of Appearance of the Band 

 Spectrum attributed to Cyanogen, 389 



Drew (Helen), Notes on Geology of the District around 

 Llansawel (Carmarthenshire), 269 



Dreyer (Dr. Georges), Blood Volume of Mammals as deter- 

 mined by Experiments upon Rabbits, Guinea-pigs, and 

 Mice, and its Relationship to the Body Weight and to the 

 Surface Area, 546 



Driffield (Mr.), Total Solar Eclipse of May 9, 383 



Duane (W.), Quantitative Measurements of the Radium 

 Emanation, 449 



Dubiago (Prof.), Observations of Orionids in 1909, 501 



Dublin: Royal Dublin Society, 119, 179, 359, 448; Royal 

 Irish .Academy, 149, 513 



Dudgeon (L. S.), Influence of Bacterial Endotoxins on 

 Phagocytosis, 446 



Dufour (.A.), Unsymmetrical Triplets, 90 



Dugast (M.), Presence of Boron in Algerian Wines, 180 



Dugmore (A. RadclyfTe), Camera Adventures in the African 

 Wilds, being an .Account of a Four Months' Expedition in 

 British East Africa for the Purpose of Securing Photo- 

 graphs from Life of the Game, 429 



Duncan (R. Howard), Practical Curve Tracing, with 

 Chapters on Differentiation and Integration, 423 



Dunoyer (Louis), Formation of the Kathode Rays, 299 



Dupont (G.), Isomerides of some Acetylene 7-Glycols, 330 ; 

 Heat of Fixation of some Ethylenic Compounds, 419 



Durham (Miss M. E.), Notes on High Albania, 29 



Durham County Council Education Committee, Report of 

 Dairy Investigations, 313 



Dyer (Dr. Bernard), Fertilising Effect of Soil Sterilisa- 

 tion, 96 



Dyes : Extraction of Several Colours from Purple Iris 

 Flowers, E. Heron-.Allen, 466 



Dynamics : Elementary Mechanics of Solids and Fluids, 

 Dr. A. Clement Jones and C. H. Blomfield, Prof. G. H. 

 Bryan, F.R.S., 241 ; an Elementary Treatise on the 

 Dynamics of a Particle and of Rigid Bodies, S. L. Loney. 

 Prof. G. H. Bryan, F.R.S., 241 ; Initiation k la 

 M^anique, Ch. Ed. Guillaume, Prof. G. H. Bryan, 

 F.R.S., 241 ; die Mechanik, eine Einfuhrung mit einem 

 metaphysischen Xachwort, Dr. Ludwig Tesar, Prof. 

 G. H. Bryan, F.R.S., 241 ; Vorlesungen iiber technische 

 Mechanik, Prof. Dr. .August Foppl, Prof. G. H. Bryan, 

 F.R.S., 241 



Dynamo Laboratory Manual for Colleges and Technical 

 Schools, W. S. Franklin, W. Esty, S. E. Seyfert, and 

 C. E. Clewell, 155 



Dyson (Prof.), Observations of Halley's Comet, 385 



Eagle, the Home-life of a Golden, H. B. Macpherson, 373 



Earland (A.), the Foraminifera collected by the Fishery 

 Cruiser Goldseeker, 328 



Earp (Rowland A.), Pwdre Ser, 521 



Earth, Recent Additions to Ideas regarding the Internal 

 Structure of the, Wilde Lecture at Manchester Literary 

 and Philosophical Society, Sir Thomas H. Holland, 

 K.C.I. E., F.R.S., 292 



Earth and Comets' Tails, the, R. T. A. Innes, 459 ; A. S. 

 Hemmy, 459 



Earth Model, an Instructive, G. R. Gill, iii 



Earthquakes : Earthquake at Cartago, 316 ; the Messina 

 Earthquake and its Predecessors, 353 ; Earthquake Shock 

 in Switzerland, 405 ; Earthquake in the Province of 

 Avellino, 434 ; Italian Earthquake of June 7, 465 ; Earth- 

 quake at .Algiers, 530 



Earwigs of India, Dr. Malcolm Burr, 339 



Ebell (Dr.), Halley's Comet, 201 ; Observations of Halley's 

 Comet, 386, 410 



Eccles (Dr. W. H.), Radiation from Directive .Aerials in 

 Wireless Telegraphy, 107 ; Coherers, 146 ; an Oscillation 

 Detector Actuated Solely by Resistance-temperature 

 Variations, 477 



Eclipses : the Total Solar Eclipse of May 8, 19 10, Frank 

 McCIean, 259; the Total Solar Eclipse, Mav 9, 1910, 

 Dr. W. J. S. Lockyer, 314; Frank K. McClean, Dr. 

 William J. S. Lockyer, 340, 494; Mr. Driffield, 38^: 

 the Solar Eclipse of 1912 .April 17, M. D. Savitch, 108; 



