Xii 
Index 
Nature, 
December 14, 1899: 
Tsvett, 612; Volumetric Estimation of Quinones derived 
from Benzene, Amand Valeur, 612; Production of Ozone 
by Decomposition of Water with Fluorine, M. Moissan, 
635 ; Heat of Oxidisation of Tungsten, MM. Delépine and 
Hallopeau, 636 ; Action of Potassium-Ammonium on Arsenic, 
C. Hugot, 636; Agricultural Chemistry: Chimie végétale 
et agricole, M. Berthelot, 541 
Cheshire, the Flora of, by the late Lord de Tabley, 100 
Chesnau (M.), Action of Nitric Oxide on Chromous Salts, 288 
Chevalier (J.), A Parasitic Fungus in Cancerous Tumours, 120 
Cheyne (W. Watson, F.R.S.), A Manual of Surgical Treatment, 
291 
Chicks, Experiments on, Dr, E. Thorndike, 112 
Chief, the, of the American Nautical Almanac, Prof. Wm. 
Harkness, 8 
Chinoy (Dr.), 
ee beter ae: 
Chofardet (P.), the Giacobini Comet (1899 e), 612 
Chondritic Meteorites, on the Origin of, Prof. A. Renard, 610 
Chree (Dr. C., F.R.S.), Collimator Magnets and Determination 
of Earth’s Horizontal Magnetism, 213 
Chree (Dr.), Platinum Thermometry, 587 
Christie (Richard Copley), the Presentation of the Freedom of 
the City of Manchester to, 578 
Chronology, an Absolute Measure of Time based on Newtonian 
Constant of Gravitation, J. Lippmann, 400 
Clark (William J.), Commercial Cuba, 7 
Clarke (F. W.), Constitution of Tourmaline, 455 
Classification: Apergus de Taxinomie Générale, J.-P. Durand 
(de Gros), 489 
Claude (Georges), Magnetic Properties of Iron at Low Temper- 
atures, 432 
Claxton (T. F.), Preliminary Results of a Year’s Work with the 
Seismograph at Mauritius, 587 
Clayton (H. Helm), Thermometric Scales for Meteorological 
Use, 491 
Climatology of Panama, General H. J. Abbot, 427 
Clock-Rates and Barometric Pressure, Ensign Everett Hayden, 
351 
Clouds, Wave or Billow, 235 
Coal: the Western Interior Coal-field of America, H. F. 
Bain, 36 
Coal Exploration in Kent, R. 
Dawkins, 610 
Cobalt, Magnetic Hysteresis of, Prof. Fleming, A. W. Ashton, 
and igh J. Tomlinson, 213 
Cockburn (G. B.), Fencholenic Acid, 47 
Cole (R. S.), Tee with a Liquid Surface studied by In- 
stantaneous Photography, 93 
Collie (J. N.), Dimethyl-pyrone Chloride, 167 
Collimator, Method of Setting a, G. Lippmann, 635 
Columbia, the Ores of, H. W. Nichols, 442 
Colour-Photography, the Diffraction Process of, Prof. R. W. 
Wood, 199 
Colour-printing Machine, Ivan Orloff, 299 
Colour Sensations in Terms of Luminosity, Captain W. de W. 
Abney, F.R.S., 237 
Colours: Mimicry and Warning, Edward B. Poulton, F.R.S., 
55; Prof. R. Meldola, F.R.S., 55 
Colours in Butterflies, Illustrations of Mimicry and Common 
Warning, Mark L. Sykes, 222 
Colson (Albert), Displacement of Mercury by Hydrogen, 48 ; 
Copper reduced at Low Temperature, 192 
Comets : Comet 1899 a (Swift), 18, 38, 88, 114, 136, 161, 186, 
260, 354, Prof. E. E. Barnard, 231 ; Prof. C. D. Perrine, 231 ; 
Comet 1898 a (Swift), Herr H. Kreutz, 63 ; Tempel’s Comet 
1899 c (1873, II.), 18, 38, 114, 161, 186, 207, 232, 260, 281, 
301, 330; M. L. Schulhof, 63; Holmes’ Comet 1899 d 
(1892, III.), 161, 232, 281, 354, 377, 402, 429, 442,'487, 513, 
577, 597, 625; Return of Holmes’ Comet (1892, III.), H. J. 
Zwiers, 63 ; Elements of Cometary Orbits, G. Fayet, 354; 
Comet Giacobini (1899, E.), 551, 577, 597, P. Chofardet, 612 
Commercial Cuba, William J. Clark, 7 
Como, the Volta Centenary Exhibition at, 
F.R.S., 181 
Compass, the Magnetic, and Nickel Cases, Rev. F. J. Jervis 
Smith, F.R.S., 173 
Compensation of Errors in the Infinitesimal Calculus, the 
Origin of the Doctrine of, Philip E. B. Jourdain, 245 
Concave Grating, Stellar and Nebular Spectra with, 302 
Success of Indian Inoculation against Plague, 
Etheridge and Prof. W. Boyd 
Prof. G. H. Bryan, 
‘Congress, Berlin Tuberculosis (1899), Dr. 
Conchology, Cowries of Caput-Serpentis Group, 
Melvill and Standen, 596 
Conglomerate, Paleolithic Implements of Hertfordshire, Worth- 
ington G. Smith, 390 
Messrs. 
F. W. Tunnicliffe, 
108, 154 
Congress, Science at the Women’s International, 228 
Congress, the Seventh International Geographical, 227 
Coninck (O. de), an Oxyptomaine, 288 
Considére (M.), Variations of Volume in Portland Cement re- 
sulting from Setting and Hygrometric State, 540 
Constantin (J.), Les Végétaux et les Milieux Cosmiques 
(Adaptation-Evolution), 409 
Constellations, Primitive, R. Brown, jun., 31 
Consumptives, Sanatoria for, in various parts of the World, F. 
Rufenacht Walters, 221 
Continuation Schools, Chemistry for, R. L. Taylor, 411 
Cook (J.), Polarisation Experiment, 8 
Coolgardie Goldfields, Geology of, T. Blatchford, 300 
Cooper (W. J.), Sewerage Analysis, 172 
Coppet (L. C. de), Temperature of Maximum Density of 
Aqueous Solutions of Alkali Chlorides, 240 
Cord (Ernest), Geology of the Lozeére, 135 
Cordoba Photographs of Star-Clusters, 487 
Cornish (V.), Deep-Sea Waves, 586 
Cornu (Prof. A.), the Rede Lecture, the Wave Theory of Light, 
its Influence on Modern Physics, 292 
Cordeaux (John), Obituary Notice of, 398 
Cosmic Origin of Moldavite, the, 276 
Country Schoolmaster, a, James Shaw, of Tynron, Dumfries- 
shire, 341 
Coupin (H.), Action of Anzsthetic Vapours on Dry and Moist 
Seeds, 612 
Cowries of Caput-Serpentis Group, Messrs. Melvill and Standen, 
596 
Craniology : Craniology of Hill Tribes of North-East Indian 
Frontier and of the Burmese, Prof. Sir W. Turner, 311 ; 
Improved form of Craniometer, Dr. Hepburn, 3113; Bio- 
logical Significance of Cephalic Index, Dr. Franz Boas, 442 
Crawshay (Richard), Larve from the Head of an Antelope, 
150 
Cries and Calls of Wild Birds, C. A. Witchell, 171 
Critical Pressure—a suggested New Definition, Dr. 
Jude, 412 
Crofts (J. M.), Action of Hydrogen Peroxide on Carbohydrates. 
in Presence of Iron, 47; Experiments on the Action of 
Hydrogen Peroxide on Carbohydrates in Presence of Iron. 
Salts, 609 
Crookes (Sir W., F.R.S.), new Photographic Researches on 
Phosphorescent Spectra, 44 
Cross (C. F.), Oxidation of Furfural by Hydrogen Peroxide, 
118 
Cross-Breeding, the International Conference on Hybridisation 
and, Wilfred Mark Webb, 305 
Crustacea, Mepluneopsis gilchrestt, a New Marine Gastropod,. 
G. R. Sowerby, 549 
Cuba, Commercial, William J. Clark, 7 
Cuckoo, Habits of the, Wm. H. Wilson, 175 
Culminations, Moon, Longitude from, D. A. Pio, 538 
Curliness of Hair, Natural, how Produced, Prof. Arthur Thom- 
son, 44 
Currents, Double, in the Bosphorus and Elsewhere, Investiga- 
tions of, Vice-Admiral S. Makaroff, 261 
Cyclone in Missouri, 14 
Cyclopean Ruins in Portuguese Africa, Dr. Karl Peters, 280 
Cygnus, the New Algol Variable in, 232, 442, 538 
IRs Tale 
Dakyns (J. R.), Limestone Knolls in Craven District, 94 
Dallas (James), Vole, 546 
Dalton (O. M.), Antiquities from the City of Benin in the 
British Museum, 219 
Daly (Chief Justice C. P.), Death of, 575 
Danckelmann (Dr. von), the Harmattan Wind, 112 
Daniels (Dr.), Investigations on Mosquitoes and Malaria, 333 
Darbishire (Robert Dukinfield), the Presentation of the Free- 
dom of the City of Manchester to, 578 
Darjeeling District, Earthquake in, 535 ; 
aster, Prof. J. Milne, F.R.S., 545 
Darmstadt Museum, the, 164 
the Darjeeling Dis- 
