Nature ] 
December 14, 1899. 
Index 
XV 
English Channel: Survey of Western, W. Garstang, 157; First 
Report on the Periodic Investigation of the Plankton and 
Physical Conditions of the, during 1899, W. Garstang, 631 ; 
on the Geology of the Channel Tunnel, W. Boyd Dawkins, 
610 
Entomology: Death of Dr. C. Brongniart, 14; the Good and 
Bad Qualities of Insects, Dr. L. O. Howard, 16; Entomo- 
logical Society, 71, 191 ; the Gipsy Moth and its Introduction 
into America, W. F. Kirby, 80; J/dolum dtabolicum, D. 
Sharp, 119; Harvesting Ants, Prof. G. H. Bryan, F.R.S., 
174; Economic Entomology, 175 ; Gooseberry Saw-fly, Prof. 
L. C. Miali, F.R.S., 222; Efficiency of Protective Adapt- 
ations of Insects, Prof. S. Judd, 258 ; Regeneration of Front 
Pair of Appendages in Leaping Orthoptera, E. Bordage, 312 ; 
Insects: their Structure and Life, George H. Carpenter, 315 ; 
Insect Destroyers of Spruce and Pines, Prof. Hopkins, 427 ; 
Abdominal Bristle-like Apparatus of Hymenoptera, Dr. E. 
Zander, 432; Sedge-Warblers Seizing Butterflies, Oswald H. 
Latter, 520 ; the Destruction of Orange-tree Pests by Fumi- 
gation, W. J. Allen, 548 ; a New Flea from Argentina, Hon. 
N. C. Rothschild, 549; Catalogue of the Lepidoptera of 
Northumberland, Durham and Newcastle-upon-Tyne, J. E. 
Robson, 590 
Entropy Diagram and its Application, the, J. Boulvin, Prof. 
John Perry, F.R.S., 3 
Environment, Plants and their, 409 
Enzymes, J. Reynolds Green, F.R.S., 361 
Erdmann (Benno), Psychologische Untersuchungen iiber das 
Lesen, 172 
Erdmann (Prof. Dr. H.), Lehrbuch der Anorganischen Chemie, 
28g 
Eros, Orbit of, Herr Hans Osten, 625 
Eruption of Etna, the Recent, Prof. A. Ricco, 424 
Eruptive Rocks of Cape Blanc, Algeria, L. Dupare and E. 
Ritter, 144 
Ether, the Stability of an, containing long, thin, empty Vortex 
Filaments, Prof. Fitzgerald, 585 
Etheridge (R.), Coal Exploration in Kent, 610 
Ethnographical Collections in Germany, 461 
Ethnology : Asia, the Land of Rice, Taylor White, 8; Man, 
Past and Present, A. H. Keane, 121; ‘* Amerind,” a 
Suggested Designation for American Aborigines, 188 ; Cave 
Shelters and the Aborigines of Tasmania, H. Ling Roth, 545 
Etna, the Recent Eruption of, Prof. A. Ricco, 424 
Euclid, the Elements of, J. Todhunter, F.R.S., 290 
Euler’s Proof of the Binomial Theorem, R. F. Muirhead, 486 
Everett (Prof. J. D., F.R.S.), on the Deduction of Increase- 
Rates from Physical and other Tables, 271, 365; on the 
Notation of the Calculus of Differences, 584 
Evolution: Study of Variability and Correlation of Hand, 
M. A. Whiteley and Karl Pearson, F.R.S , 91; Die Far- 
benevolution,bei den Pieriden, M. C. Piepers, 97; on some 
Recent Advances in Spectrum Analysis relating to Inorganic 
and Organic Evolution, Sir Norman Lockyer, K.C.Bb., 
F.R.S., 103 ; Variation and {Sexual Selection in Man, E. T. 
Brewster, 401; Heredity and Variation, Prof. J. Mark 
Baldwin, 591 
Ewart (Prof. J. Cossar), the Penycuik Experiments, 272 ; Ex- 
perimental Investigations in Telegony, 330 
Ewell (A. W.), Rotatory Polarisation of Light in Media sub- 
jected to Torsion, 455 
Ewers (P.), Canal and Kathode Rays, 635 
Ewing (Prof., F.R.S.), Experiments in Micro-Metallurgy ; 
Effects of Strain, 67 
Examination of Water, W. P. Mason, 146 
Exhibition, the Royal Photographic Society’s, 539 
Expansion of Gases, the Free, Memoirs by Gay-Lussac, Joule, 
and Joule and Thomson, J. S. Ames, 7 
Expansion of Solids by Heat, Horace Darwin, 149 
Exploration, the Plans for Antarctic, 202 
Explosion of Aluminium Iodide, Prof. P. L. Narasu, 520 
Exposure of Metallic Silver to Light, Remarkable Result Ob- 
served on the, Colonel Waterhouse, 609 
Eyesight, Defective, Dr. D. B. St. John Roosa, 341 
Fabry (Ch.), an Intense Source of Monochromatic Light, 71 
Fairchild (Prof. D, G.), Payta, the Driest Spot in the World, 
624 
Falicres (E.), New Method of Acidimetric Estimation of Alka- 
loids, 288 
Faraday (F. J.), a Biological Aspect of Cancer, 23 
Faraday (Michael), his Life and Work, Silvanus P. Thompson, 
BeRasrel23 
Farbenevolution bei den Pieriden, die, M. C. Piepers, 97 
Faribault (E. R.), Gold in Nova Scotia, 205 2 
Farrington (Dr. O. C.), Fossil Egg from South Dakota, 536 
Fatigue of Metals, Experiment on, J. O. Thompson, 86 
Fatigue, Retinal, Subjective Impressions due to, W. J. Millar, 
391 
Faune de France : Mammiferes, A. Aclogue, 410 
Fauth (Ph.), White Spot on Jupiter, 161 
Fayet (G.) Elements of Cometary Orbits, 354 
Fenton (H. J. H.), Crystalline Glycollic Aldehyde, 
Researches on Oxidation in Presence of Iron, 609 
Ferguson (Donald), Strawberry Cure for Gout, 150 
Fermentation: La Pratique du Maltage, Lucien Lévy, 388 ; 
the Soluble Ferments and Fermentation, J. Reynolds Green, 
F.R.S., 361 ; Symbiotic Fermentation, Prof. Marshall Ward, 
609 ; Sir Henry Roscoe, 609 ; Prof. Armstrong, 609 ; M. Van 
Laar, 609; Symbiotic Industrial Fermentation, Dr. Cal- 
mette, 609 
Fernbach (Dr. A.), Chemical Processes involved in the Sac- 
charification of Starch by Malt-Diastase, 608 
Féry (M.), New Galvanometric Methcd, 168 
Fetish, West African, Mary H. Kingsley, 243 
Fewkes (Dr. J. W.), the Winter Solstice Altars at Hano 
Pueblo, 258 
Fifth Satellite of Jupiter, Prof. E. E. Barnard, 207 
Films, Thin, as Mirrors, A. Mallock, 44 
Fire-Alarm, Electro-Chemical, 575 
Fire-damp, the Ignition by Electricity of, Herr Heise and Dr. 
Theim, 350 
Fisher (Rev. O.), Residual Effect of Former Glacial Epoch on 
Ground Temperatures, 300 ; Geological Time, 544 
Fisheries, the Lancashire Sea, Charles L. Jackson, 341 
Fishes : Artificial Rearing of Young Sea-fish,W. Garstang, 631 ; 
the Palpebral Oculo-Motor Apparatus in Fishes, N. Bishop 
Harman, 631; on the Occurrence of the Grey Gurnard 
(Trigla gurnardus, L.) and its Spawning in Inshore and Off- 
shore Waters, Prof. McIntosh, 631 
Fitzgerald (Prof.), the Stability of an Ether containing long, 
thin, Empty Vortex Filaments, 585 
Flea, a New, from Argentina, Hon. N. C. Rothschild, 549 
Fleas and the Permanency of Continents, 549 
Fleming (Prof.), Magnetic Hysteresis of Cobalt, 213 
Flett (J. S.), Trap-Dykes of Orkneys, 239 
Flint, the Origin of, Prof. W. J. Sollas, 610 
Flora of Cheshire, the, Lord de Tabley, 100 
Floras from the Royal Gardens, Kew, W. T. Thiselton-Dyer, 
F.R.S., 337 
Flour, Change with Age in Gluten of, M. Balland, 360 
Flower (Sir William Henry, K.C.B., F.R.S.), Death of, 228 ; 
Obituary Notice of, Prof. E. Ray Lankester, F.R.S., 252 
Fliigge (Prof.), Relation of Tubercle Bacillus to Tuberculosis, 
715 
109 
Fluids, New Form of Relations, /(f, v, T.)= 0, E. H. Amagat, 
76 
Flying Machine Experiments, on Best Forms of Curves for Use 
with, A. A. Merrill, 257 
Fog-alarm, Electric, 596 
Fold-making Apparatus for Lecture Purposes, a, Prof. G. A. 
Lebour, 411 
Folgheraiter (Dr.), Magnetic Effects of Lightning, 300 
Folk-lore, West African Fetish, Mary H. Kingsley, 243 
Fomm (L.), New Vacuum Discharge Phenomenon, 456 
Force, Magnetic Lines of, 412 
Forcrand (M. de), the Oxides of Sodium and the Chemical 
Function of Water as compared with that of Hydrogen 
Sulphide, 216 
Forel (F. A.), Variations of Apparent Horizon, 360 
Forestry : Forests of the Sudan, the, Sir William Garstin, 401 ; 
the Destruction of Spruces and Pines by Insects, Prof. 
Hopkins, 427 ; j 
Forgan (R.), Method of Enlarging and Deepening Field of 
Compound Microscope, 192 
Forrest (H. E.), the Fauna of Shropshire : being an Account of 
all the Mammals, Birds, Reptiles and Fishes found in the 
County of Salop, 388 
Forsyth (Prof.), on a System of Invariants for Parallel Configur- 
ations in Space, 584 
