/AD£.\ 



{Nature, May 30, 1889 



Encyclopedia, Chambers's, 6, 557 



Encyclopaedic Dictionary, 410 



Energy of the Light from Incandescent Lamps, Ernest Merritt, 

 52s 



Engineers versus Professors and College Men, Prof. P. G. 

 Tait, loi, 223; Prof. A. G. Greenhill, 175 



Entomology : G. V. Hudson, on Moths in New Zealand, 39 ; 

 Insect Pests of Valencia, 41 ; Entomological Society, 71, 190, 

 407, 527, 599 ; Anniversary Meeting, 311 ; Systematic Rela- 

 tions of Platypsyllus as determined by the Larva, Prof C. V. 

 Riley, 94 ; Biologia Centrali-Americana — Zoology, Coleoptera, 

 David Sharp, 147 : Tree pests in United States, 157; the 

 Coiissiiict, a New Organ attached to Sting of Hymenoptera, 

 G. Carlet, 192 ; Butterflies of the Eastern United States and 

 Canada, with Special Reference to New England, Samuel H. 

 Scudder, Captain H. J. Elvves, 193 ; Reports of the Director 

 of the Colombo Museum on, 210 ; A. W. Scott's Collection of 

 Australian Lepidoptera, 377 ; Butterflies, Variation in, W. W. 

 Smith, 397 ; the Geographical Distribution of the Genus 

 Erebia, 407 ; Entomology for Beginners, Dr. A. S. Packard, 

 459 ; Butterflies of the I'^astern United States, Samuel H. 

 Scudder, 468 ; Butterfly ( Tirumala petiverana) from Mombaza, 

 Eastern Africa, Jenner-Weir, 527 ; Strange Sound made by 

 Moth {//alias prasiriaiii), late H. J. Harding, 544 ; Butter- 

 flies, which are the Higliest ?, Dr. Alfred R. Wallace, W. H. 

 Edwards, 611 



Envelopes in Nostocacete, Maurice Gomont, 569 



Eocene Echinidre in Alicante, Spain, M. Cotteau, 239 



Equations, Hertz's, Prof. Oliver J. Lodge. F.R.S., 583 



Equations, Hertz's, in the Field of a Rectilinear Vibrator, Rev. 

 H. W. Watson, 486, 558 



Equatorial Waters, the Dark, Muntz and Marcano, 167 



Erebia Genus, the Geographical Distribution of the, Captain 

 Elwes, 407 



Ergosterine, on, a New Immediate Principle of the Ergot (Spur) 

 of Rye, by M. E. Tanret, 312 



Erichsen (Dr. Hugo), Cremation of the Dead, 219 



Ericsson (Captain John) : Death of, 466 ; his Sun-motor, 517 



Ernst (Dr. A.): Seismic Disturbance at Venezuela, .341 ; the 

 Formation of Ledges on Mountain-slopes and Hill-sides, Dr. 

 A. Ernst, 415 



Eruption at Vulcano Inland, Further Notes on the Late, Dr. H. 

 J. Johnston- Lavis, 109, 173 ; at Kilauea, Hawaii, 281 



Erysipelas and Lymphangitis, Identity of, Verneuil and Clado, 

 623 



Eskimo of Hudson's Strait, the, F. F. Payne, 396 



Etard (A.), Relations between Solubility and Fusion-Point, 359 



Ether, Electricity, and Ponderable Matter, Sir William Thom- 

 son, 280 



Etheridge (Robert), Fossils of the British Islands, 49 



Ethers of the Camphols, New Neutral and Acid, M. A. Haller, 

 479 



Ethnographical Conditions of Macedonia and Old Servia, 

 Spiridion Gopcevic, 520 



Ethnography of Mexico, Carl Breker, 232 



Ethnology \of the Rouergne, Durand de Gros, 70 ; Dr. H. 

 Ten Kate on the Alleged Mongolian Affinities of the American 

 Race, 87; the Shan States, Captain Yate, 113; Land and 

 People in Ancient and Modern Egypt, Prof. Virchow, 155 ; 

 Ethnology of the Indian Tribes of Guatemala, Dr. Otto Stoll, 

 448 



Euclid, H. S. Hall and F. H. Stephens, 26 



Euclid, a Sequel to the First Six Books of the Elements of, J. 

 Casey, F.R.S., 148 



Euclid's Elements for the Use of Schools, a Text-book of, H. S. 

 Hall and F. H. Stevens, 78 



Eugeniacrinidas, the Basals of, F. A. Bather, 599 



Eupithecia extensaria, Unierinthus ocellatus, Sphinx ligustri. Lord 

 Walsingham, 527 



Everett (A. H.) : the Philippine Tamarao, 150 ; Zoo-geographical 

 Relationship of Palawan and Adjacent Islands, 623 



Everett (Prof. J. D., F.R.S.), Rankine's Investigation of Wave- 

 Velocity, 31 



Evershed (Sydney), Electro- Calorimetry, 9 



Evolution : Divergent, John T. Gulick, 54 ; a Restatement of the 

 Theory of Organic, Prof. Patrick Geddes, 287 



Ewart (Prof. J. C), Spawning of the Plaice, Pleuronectes 

 platessa, 326 ; Cranial Nerves of Elasmobranch Fishes, 525 



Ewing (J. A., F.R.S.), Magnetization of Iron and other Metals, 

 165 



Examinations, Assistant to the Beard of Trade, Captain D. 

 Forbes, 41 1 



Examinations in Elementary Geometry, 464 



Exhibiiion Congresses, Dates of Paris, 613 



Exhibition, Proposed Microscope Tercentenary, 544 



Exner (Prof. Franz), Atmospheric Electricity in Ceylon, 517 



Expedition, Proposed Antarctic, 399 



Experimental Physics : the Velocity of Transmission through 

 Sea- Water of Disturbances caused by Explosions, Threlfall 

 and Adair, 572 ; the Use of Lissajous' Figures to Determine 

 a Rate of Rotation, and Morse Receiver \.o Measure Periodic 

 Time by Reed or Tuning-Fork, Prof. J. V. Jones, 573 



Explosions : on the Influence of Light upon the Explosion of 

 Nitrogen Iodide, Prof. J. W. Mallet, 22 ; New Chronograph 

 for Measuring Explosions, F. J. Smith, 549 ; the Velocity of 

 Transmission through Sea- Water by Disturbances caused by 

 Explosions, Threlfall and Adair, 572 



Eye, Fatigued, and Perception of Colours, 327 



Factors of any Proposed Number, to Find the, Chas. J. Busk, 



413 



Factors of Numbers, Lieut. -Colonel Allan Cunningham, 559 



Farmer (J. B.), /soetes lacustris, 383 



Farmer, the British, and his Competitors, W. E. Bear, 146 



Farmer's Guide to Manuring, A. M. Pearson, Prof. John 

 Wrightson, 212 



Fauna, Freshwater, Proposed Zoological Station in Holstein 

 for Observation of. Dr. O. Zacharias, 418 



Fauna of Scandinavia, Dr. Kolthoff, 256 



Fauna, Volcanic Water, Dr. O. Zacharias, 112 



Favenc (Ernest), the History of Australian Exploration, 53 



Faye on Constitution de I'Kspace celeste, M. Hirn, 311 



Faye and Barnard Comets, 42, 186 ; October 30, Drs. Lamp 

 and Spitaler, 114 



Faye's Comet, Observations of, MM. Trepied, Rambaud, and 

 Sy, 312 



Fayrer (Sir J.), the Natural History and Epidemiology of 

 Cholera, William R. Smith, 557 



Featherstonhaugh (Dr. T.), Discovery of Aboriginal Remains in 

 Florida, 378 



Ferguson (Lieut. Harold), some Popular Errors about Snakes, 41 



Ferguson (J.), Review of the Planting and Agricultural In- 

 dustries of Ceylon, 363 



Ficus, the Species of, of the Indo-Malayan Archipelago, G. 

 King, F.R.S., 246 



Field, Natural History in the. Rev. W. Linton Wilson, 368 



Finding Factors, Prof. W, H. H. Hudson, 510 



Finsbury Technical College Lectures, 231 



Fireball, Large, W. F. Denning, 606 



Fischer (Prof. E.), Synthe-es of Glucine and Mannite, 351 



Fish : Voracity of the Haddock, Dr, Chas. O. Trechmann, 9; 

 Fish Poisoning, Prize offered for Disv;overy of Means of Pre- 

 venting, 59 ; United States Fish Commission, 85 ; some 

 Palceozoic Dipnoan, Anton Fritsch, 196 ; Fish in the Ponds 

 of Florida, 208 ; the Incubation of Salmon Ova at Malvern 

 Wells, 208 ; Proposed Acclimatization of the American 

 Whitefish, 208 ; Use of Sucker-Fishes in Fishing, H. Ling 

 Roth, 342 ; Regulation Act, Boaid of Trade Memorandum 

 Relative to Sea Fisheries, 351 ; Fisheries Exhibition, St. 

 Petersburg, 446 



Fisher (W. W.), a Class-book of Elementary Chemistry, 78 



P'ishery Board for Scotland, Sixth Annual Report of the, 498 



Fitzgerald (Prof. G. F., F.R.S.) : Experiments Confirmatory of 

 Hertz's Discoveries, 349 ; Dimensions of Electro- magnetic 

 Units, 502 



Fixation of Nitrogen during the Process of Slow Oxidation, M. 

 Berthelot, 528 



Flahault (Ch.) and Ed. Bornet, a Revision of the Heterocyst 

 Nostocacese, 197 



Flame, Sensitive, New Cheap, Fletcher, 614 



Flammarion (M.), 7 Arietis, 456 



Fletcher (H. M.), Salts in Saliva, 117 



Fletcher (L.), the Renaissance of British Mineralogy, 115 



Fletcher's New Cheap Sensitive Flame, 614 



Flint Implements, Piilaeolithic, Discovery of, Joseph Prestwich, 

 F.R.S., 406 



Flora of Christmas Island, W. B. Hemsley, 551 



Flora and Fauna of the Peat Bogs of Scania, Herr G. Anders- 

 son, 456 



