Nature, May 27, 1SS0] 



Disk, Caudal, E. H. Pringle, 34 



Dissociation of Chlorine, Bromine, and Iodine, Prof. Henry E. 



Armstrong, 461 

 Dissociation of the Metalloid Elements, Sir B. C. Rrodie, 491 

 Distant (W. I..), on Power's "Contribution to North American 



Ethnology," 247 

 Diving, Fleuss's Method of, Dr. B. W. Richardson, 62 

 Dixon (W. Hepworth), Death of, 214 

 Dominica, Volcanic Eruption in the Island of, 330; H. A. 



Alford Nicholls, 372 

 Dorset, Spiders of, by the Rev. O. Pickard-Cambridge, 273 

 Double Refraction and Atmospheric Pressure, 72 

 Double Stars, a Handbook of, E. Crossley, J. Gledhill, J. M. 



Wilson, 53 ; Observations at Chicago by S. W. Buraham, 



53 ; Micrometrical Measurements of, made at Cincinnati, 1878 



and 1879, 512 

 Donghty (Capt. F. Proby), an Account of some Marine Animals 



met with en route to the Cape, 32 

 Draper (Dr. Henry), on Photographing the Spectra of the Stars 



and Planets, 83 

 Dresden, Ethnographical and Anthropological Museum at, 70 

 Dreyer (J. L. E.), Astronomical Subject-Index, 154 

 Dublin, Royal Society of, 483, 507 



Dulwich College Science Society, Second Annual Report of, 424 

 Duncan (Prof. P. Martin, F.R.S.), Cassell's Natural History, 



135 ; Ophiolepii mirabilis, 590 

 Duncan (W. S.), Origin of Man, 493 

 Dundee Naturalists' Society, Scientific Exhibition, 307 

 Dutch Arctic Expedition, 118 



Dyer (W. T. Thiselton), a Cochin China Remedy for Leprosy, 35 

 Dynamo-Electric Current, and on Certain Means to improve its 



Steadiness, Dr. C. W. Siemens, F.R.S., 482 



Ear. Musical Sounds within the, Dr. A. Ernst, 589 



Earth, the Figure of the, Employment of the Pendulum for De- 

 termining, Major J. Herschel, 599 



Earthquakes, 286 ; in China, 12 ; at Ekaterinodar, Caucasus, 

 19; in West Cumberland, 19; in Hungary, 89; Hungarian, 

 and the Kolurnbacs Flies, Julius Petho, 202 ; in Iceland, W. 

 G. Spence Paterson, 132; at Temesvar, Details of, 163; 

 Slight Shock of, at Stranorlar, 188; at Agram, 215; in 

 Switzerland, 239; the Study of Earthquakes in Switzerland, 

 351 ; at Havana, 306, 357 ; at Carlsruhe, 306, 40S ; in San 

 Salvador, 452 ; in Moldavia, 524 ; at Tenez, 547 ; at Yoko- 

 hama, 617 



Easter Hand, Albert J. Mott, 11 ; H. N. Moseley, F.R.S., 32 



Echinoderms, Prize for Researches on, 263 ; Prof. Zittel's Work 

 on Fossil, 509 



Eclipses: Lunar, 117 ; Ancient Solar, Re-Discussion of, 141 ; 

 Total Solar, of January II, 2S7 ; Total Solar, in the next 

 Decade, 308 ; Eclipse Observations, Collated by A. C. 

 Ranyard, Dr. Arthur Schuster, F.R.S., 488 



Edinburgh : Koyal Society, 268, 340, 531, 556, Officers, &c, 

 70; Mr. Gladstone at, 1 15 ; Legacy to University, 505 



Edison's New Electrometer, 21, 360; his Latest Pattern of Tele- 

 phone Transmitter, 22 ; Successful use of Edison's Telephone, 

 189; Edison's Electric Light, 187, 202, 215, 238, 242, 261, 

 285, 34 < 



F.dlund on a New Electrical Experiment, 117 



Education, Technical, Prof. Huxley on, 139 



Eggs, Hens', the Registration of, 574 



Egypt, M. Mariette-Bey on the proposed Excavations in, 115 



Ekaterinodar, Caucasus, Earthquake at, 19 



Elasmopoda (Ujalmar Theel), a New Order of Holothuridea, 

 Sir Wyville Thomson, F.R.S., 479 



Electricity: "Electric Transmission of Power," Paget Higgs, 

 LL.D., 10; Prof Topler's Electric Machine, 21 ; M. Gaston 

 Plante's Researches on Voltaic, 21 ; M. Bferknes's Theory of 

 Electricity and Magnetism, 72 ; Distribution of the Correct 

 Time by Electricity, 90; Electricity and Steel, 117; a New 

 Electrical Experiment, 117; Plante's Researches in, Prof. 

 Silvanus P. Thompson, 150; Electricity of the Blowpipe 

 " Flame," Col. W. A. Ross, 275 ; Herbert M'Leod, F.R.S., 

 347; the Nature of, W. H. Preece, 334; Novel Source of 

 Frictional, Prof. W. F. Barrett, 417 ; a New Registering 

 Apparatus, 576 ; Seeing by Electricity, 576 ; John Perry 

 and W. E. Ayrton, 589 ; J. E. H. Gordon, 610 ; Electric 

 Light, Paris, Experiments on, 90, 282, 307, 423 ; Alex. 

 S. Gibson, 132; Extension of the Thames Embankment 



System of, 162; at Woolwich, 188 ; Edison's New Liyht, 1S7, 

 202, 215, 238, 242, 261, 285, 341 ; Vegetation under, 438, 

 456 ; Electric Spark, Method of Perforating Glass with, 189; 

 Electric Divining-Rod, 243 ; M. Pfeiffcr's Electric Toy, 267 ; 

 Electrical Storing, 287 ; Magnetic Effects of Electric Convec- 

 tion, 359 ; on a New Action of the Magnet on Electric Cur- 

 rents, 361 ; Electrical Railway in Berlin, 473. 50' ; Epigram 

 on Dr. Siemens' Electric Chlorophyll, 473; EUctric Testing 

 of Telegraph. Cables, Capt. V. Hoskiaer, 587 ; Electro- 

 Dynamometer for Measuring Large Currents, Walter N. Hill, 

 327 



Electrolysis, a Process for Steeling Copper Plates by, 310 



Electromagnetic Rotation of the Plane of Polarisation in Gases, 

 408 



Electrometer, Edison's New, 21, 360; a Novel Quadrant, 310 ; 

 Silone's Form of, 427 



Electrophorus and Collodion, 474 



Electroscope, Capillary, G. Gore, F. R.S., on, 194 



Electro-Technical Society, 286 



" Electrotechnischer Verein," Berlin, 407 



Elements, Metalloid, Pictet's Proposal to Dissociate the, 445 ; 

 Sir B. C. Bro lie, 491 



Elephants, Tool-making, 34 



Elephants, Indian, Use of, in South African Exploration, 49 



Ellis (Alexander, F.K.S.), the Histo-y of Musical Pitch, 550 



"Encyclopaedia Britannica," "Asia Minor" in the, 82 ; "The 

 Nile," Albert J. Mott, 155 



Endowment of Research, the Local, 487 



Energy, Differentiated, on the Potential Dimensions of, A. v. 

 Nudeln, 185 



England, the Climate of, Alexander Taylor, 131 



Entomology: Entomological Society, 123, 219, 363, 435, 507 ; 

 Indian, R. MacLachlan, 173 ; the American Entomologist, 

 441 



Eocene Flora of Bournemouth, J. Starkie Gardner, 181 



Epidemics, Sir Joseph Fayrer, F.R.S., 229 



" Epipubis in the Dog and Fox," T. H. Huxley, F.R.S., on, 

 362 



Epizootic Pleuropneumonia, Report on the Pathological Histo- 

 logy of, by Dr. Chas. Roy, Dr. E. Klein, F.K.S., 175 



Epping Forest, the Superintendent of, 162 



Epping Forest and County of Essex Naturalists' Field Club, 

 Opening Meeting of the, 215, 286, 474 



Equator, Why the Air at the, is not Hotter in January than in 

 July, J. Croll, F.R.S., 129 ; A. Woeikof, 249 



Eridanu«, New Nebula? in, 117 



Ernst (Dr. A.), on the Heterostylism of " Melochia parvifolia," 

 217; Musical Sounds within the Ear, 5S9 ; Recall of Sights 

 and Tastes, 611 



Este, Prehistoric Cemetery at, 596 



Ethnology : Proposed Ethnographical Museum in Paris, 47 ; 

 Finnic Ethnology, A. H. Reane, 1 79; North American 

 Ethnology, by Stephen Powers, W. L. Distant, 247 ; Afghan 

 Ethnology, A. H. Reane, 276 



Etna, Astronomical Observatory on, 89 ; Salses of, 241 ; MSS. 

 of Sartorius von Waltershausen descriptive of, 287 : G. F. 

 Rodwell on, 396 ; the late Eruption of, G. F. Rodwell, 458 



Ettingshausen (Baron), the Fossil Flora of Alum Bay, 555 



" Euchlaena luxurians," Consul Calvert on, 1 16 



Everett (A. Hart), A. R. Wallace's Australasia, 535 ; Negritoes 

 in Borneo, 588 



Everett (Prof. J. D., F.R.S.), Colour-Vision and Colour-Blind- 

 ness, 62 ; "Song of the Screw," 349 



Evershed (Syd.), Meteor, 563 



Ewald (Friedrich von), Death of, 89 



Expansion of a Substance on Vaporisation, Method of Calcu- 

 lating, W. J. Sollas, 492 



Eye, Dioptrics of, 94 



Eye, the, as an Automatic Photometer, W. Ackroyd, 627 



Factor Tables, Glaisher's, 462 



"False Dawn," J. W. Redhou*e, 33 



Farm, the Saidapet, Manual and Guide, C. Benson, 54 



" Farming for Pleasure and Profit," Arthur Roland, 534 



Farr (Dr.), and the Registrar-Generalship, 238; Propo ed Tes- 

 timonial to, 451 



Fat and Albumen, 618 



Fata Morgana seen at Freiburg, 286 



" Fauna der Gaskohle und der Ralksteine der Permformation 

 Bohmens," von Dr. Ant. Fritsch, 31 





