Nature, ] 
December 14, 1899 
Lndex 
xiX 
97, Dr. Johan Hijort, O. Nordgaard, and H. H. Gran, 
I 
Hieavpliobia, the Pathogenic Agents of, E. Puscarin, 24 
Hygiene: the Sterilising of Potable Water by Ozone, MM. 
Marmier and Abraham, 24; Sewerage Analysis, J. Alfred 
Wanklyn, W. J. Cooper, 172; Sewer Design, H. N. Ogden, 
172; the Hygiene of the Mouth, R. Denison Pedley, 172 ; 
Progress of Hygiene during past 100 Years, Dr. P. Brouardel, 
510 
Ice, the Story of, in the Present and Past, W. A. Brend, 615 
Ichthyology: Luminosity of Dermal Spots of Spinax Niger, 
L. Johann, 230; Life-history of Cod and Whiting, Dr. A. T. 
Masterman, 239; the ‘‘ Palu’’ Fish, E. R. Waite, 536 
Illustrated Manual of British Birds, an, Howard Saunders, 241 
Immunity : the Mechanism of Immunity, Dr. Th. Tchistovitch, 
352; Is Insusceptibility to Vaccine produced by Small-pox ? 
Charles G. Stuart-Menteath, 436 ; Prof. G. Sims Woodhead, 
436 
a of America, T. C. Porter, 291 
Incandescent Gas Lighting, L’éclairage 4 Incandescence, P. 
Truchot, 517 
Increase-rates, on the Deduction of from Physical and other 
Tables, Prof. J. D. Everett, F.R.S., 271, 365 
Index Animalium, C. Davies Sherborne, 174 
India: Haunts and Hobbies of an Indian Official, Mark 
Thornhill, 5 ; the Indian Musk-shrew, W. F. Sinclair, 30; 
the Forecast of the Monsoon, John Eliot, 438 ; an Account 
of the Deep-sea Ophiuroidea collected by the Royal Indian 
Marine Survey Ship /nvestigator, R. Koehler, 459; the 
Indian Eclipse 1898, E. W. Maunder, 489; the Sale of 
Quinine in India 1897-8, Surgeon-Major D. Prain, 512 ; 
Success of Inoculation against Plague in India, Dr. Chinoy, 
548 ; a Sketch of the History of Indian Botany, Sir George 
King, K.C.I.E., LL.D., F.R.S., 581, 604; the Life-story 
of Sir Charles Tilston Bright, with which is Incorporated the 
Story of the Atlantic Cable and the First Telegraph to India, 
Edward Brailsford Bright and Charles Bright, 613 
India-rubber and the India-rubber Industry, 426 
Induction Coils, an Improved Liquid Interrupter for, A. A. 
Campbell Swinton, 226 
Industrial Chemistry, Outlines of, Frank Hall Thorp, 27 
Industrial Symbiotic Fermentation, Dr. Calmette, 609 
Industries, Progress in the Iron and Steel, Sir W. C. Roberts- 
Austen, K.C.B., F.R.S., 38 
Infinitesimal Calculus, the Origin of the Doctrine of Com- 
pensation of Errors in the, Philip E. B. Jourdain, 245 
Innes (R. T. A.), Southern Variable Stars, 513 
Inorganic Chemistry for Advanced Students, Practical, Chapman 
Jones, 76 
Inorganic Chemistry, Advanced, G. H. Bailey, 76 
Inorganic Chemistry, the Spirit of, Arthur Lachman, 78 
Inorganic Chemistry, Prof. Dr. H. Erdmann, 289 
Inorganic and Organic Evolution, on some Recent Advances in 
Spectrum Analysis relating to, Sir Norman Lockyer, K.C.B., 
F.R.S., 103 
Insects, the Good and Bad Qualities of, Dr. L. O. Howard, 16 
Insects : their Structure and Life, George H. Carpenter, 315 
Institution of Electrical Engineers, Visit to Switzerland of, 
Prof. Richard Threlfall, F.R.S., 578 
Intake of Carbon Dioxide, the, Dr. Horace T. Brown, 544 
Intensity of Hereditary Transmission, a Measure of the, Francis 
Galton, F.R.S., 28 
International Aeronautical Society, the Report of the, 183 
International Association of Academies, 613 
international Committee on Atomic Weights, 
establish an, Prof. Tilden, 609 
International Conference on Hybridisation and Cross-Breeding, 
Wilfred Mark Webb, 305 
International Congress, Science at the Women’s, 228 
International Geographical Congress, Seventh, 227, 632 
International Meteorological Committee, Meeting of the, at St. 
Petersburgh, 591 
Interrupter for Induction Coils, an Improved Liquid, A. A. 
Campbell Swinton, 226 © 
Invariants for Parallel Configurations in Space, on a System of, 
Prof. Forsyth, 584 
Investigator, an Account of the Deep Sea Ophiuroidea 
collected by the Royal Indian Marine’ Survey Ship, R. 
Koehler, 459 
Proposal to 
Iodine in Chlorophyll-containing Algee, Armand Gautier, 336 
Iron: on the Solution Theory of Iron, Baron Jiiptner von 
Jonstorff, 43; Experiments on the Action of Hydrogen 
Peroxide on Carbohydrates in Presence of Iron Salts, Mr. 
Morrell, 609 ; Mr. Crofts, 609 ; Researches on Oxidation in 
Presence of Iron, Mr. Fenton, 609 
Iron and Steel Industries, Progress in the, Sir W. C. Roberts- 
Austen, K.C.B., F.R.S., 38 
Iron and Steel Institute, the, 38, 43, 402 
Istrate (C.), Cerine and Friedeline, 240 
Italy : Recent Science in Italy, Prof. G. H. Bryan, F.R.S., 
8; Meat-Consumption in Italy, Dr. F. dell’ Acqua, 352 
Ito (Tokutaro), Mangroves growing in Japan, 79 
Jackson (Charles L.), the Lancashire Sea Fisheries, 341 
Jackson (D. D.), Astertonella formosa, 624 
Jackson (H.), Synthesis of 88’-dipyridyl Derivatives from 
Citrazinic Acid, 47 ; Crystalline Glycollic Aldehyde, 71 
Jahr (J. J.), Moldavite in Pyrope-bearing Sands of Northern 
Bohemia, 135 
Jamieson (Walter), 
Torpedoes, 85 
Japan, Mangroves growing in, Tokutaro Ito, 79 
Jennings (A. V.), Geology of the Davos District, 118} 
Jerdan (D. S.), Constitution of Triethyl Orcintricarboxylate 
determined, 167 
Jervis-Smith (Rev. F. J., F.R.S.), the Magnetic Compass and 
Nickel Cases, 173 3 a Hertz Wave-Receiver, 436 
Joannis (A.), Estimation of Hydrogen Phosphide in Gaseous 
Mixtures, 143 
Job (André), a Crystallised Double Carbonate of Cerium 
Peroxide, 48 
Johann (L.), Luminosity of Dermal Spots of Spznax niger, 230 
John (Dr. C. v.), New Analyses of Moldavite Glass, 375 
Jones (Chapman), Qualitative Chemical Analysis, 76; Practical 
Inorganic Chemistry for Advanced Students, 76 
Jones (L. C.), Iodometric Method for Estimation of Boric Acid, 
456 
Jones (O. G.), Death of, 440 
Jonstorff (Baron Jtiptner Von), on the Solution Theory of Iron, 
Ether Wave Apparatus for directing 
43 
Jourdain (Philip E. B.), the Origin of the Doctrine of Com- 
pensation of Errors in the Infinitesimal Calculus, 245 
Journal of Botany, 67, 263, 488 
Journal of Microscopical Society, 263, 488 
Joy, the Emotions of, Dr. G. V. N. Dearborn, 258 
Jubilee of Sir George Gabriel Stokes, the, 109 
Judd (Prof. S.), Efficiency of Protective Adaptations of Insects, 
258 
Tae (Dr. R. H.), Physics Experimental and Theoretical, 339 ; 
Critical Pressure, a Suggested New Definition, 412 
Jukes-Brown (A. L.), on a Recent Boring through the Chalk 
and Gault near Dieppe, 610 
Jung (H. R.), Das Heidelberger Schloss und seine Garten in 
alter und neuer Zeit und der Schlossgarten zu Schwetzingen, 
52 
Jupiter: White Spot on Jupiter, Ph. Fauth, 161; the Red 
Spot on Jupiter, W. F. Denning, 210 ; Opposition of Jupiter, 
1899, 597; Fifth Satellite of Jupiter, Prof. E. E. Barnard, 
207 
Kaple (K.), Experiments with Silver Voltameter, 623 
Kassner (Dr. C.), Amount of Cloud in Europe during Cyclonic 
and anti-Cyclonic Days, 237 
Kastner (H. J.), Death of, 595 
Kea, the Sheep-eating Parrot of New Zealand, Dr. F. T. King, 
205 
Keane (A. H.), Man Past and Present, 121 
Kelvin (Lord, F.R.S.), Magnetism and Molecular Rotation, 
311; Apparent Dark Lightning Flashes, 341; Blue Ray of 
Sunrise over Mont Blanc, 411 
Kempf (P.), Photometry of the Pleiades, 429 
Kempner (Dr.), Tuberculous Infection from Cows, 206 
Kendall (Prof. P. F.), Extra-Morainic Drainage in Yorkshire, 
610 
Kent, Coal Exploration in, R. Etheridge, Prof. W. Boyd 
Dawkins, 610 
Kerr (J. G.), External Features in Development of Lefzdosiren 
Paradoxa, 93 
