x Lndex 
Nature, 
December 14, 1809 
Burstall (Prof.), Platinum Thermometry, 587 
Burton (W.), Lead Compounds in Pottery Glazes, 18 
Biitschli (O.), Untersuchungen iiber Strukturen, 124 
Butterflies, Illustrations of Mimicry and Common Warning 
Colours in, Mark L. Sykes, 222 
Butterflies, Sedge-Warblers seizing, Oswald H. Latter, 520 
Cacao-Fungus, the Trinidad, G. Massee, 353 
Calculation by Abacus, Maurice d’Ocagne, 363 
Calculation, on the, of Differential Coefficients from Tables 
involving Differences, with an Interpolation Formula, W. F. 
Sheppard, 390 
Calculus, the Origin of the Doctrine of Compensation of Errors 
in the Infinitesimal, Philip E. B. Jourdain, 245 
Calculus of Differences, the Notation of the, Prof. Everett, 584 
Callendar (Prof.), Preliminary Results of a Research on the 
Variation of the Specific Heat of Water with Temperature, 
585; Platinum Thermometry, 587 
Calmette (Dr.), Industrial Symbiotic Fermentation, 609 
Cambridge Anthropological Expedition to Torres Straits and 
Sarawak, the, Prof. Alfred C. Haddon, F.R.S., 413 
Cambridge Observatory, 208 
Cambridge Philosophical Society, 119 
Campbell (A. J.), Bower-Birds, 275 
Campbell (Prof. E. D.), the Constitution of Steel, 403 
Campbell (Prof. W. W.), New Spectroscopic Multiple Star, 
513; the Polaris Multiple Star, 577 
Camphoric Acid, the Synthesis of, H. A. Auden, W. H. 
Perkin, jun., and J. L. Rose, 214 
Camus (L.), on State Refractory to Eel Serum, 336 
Canada, Petrolenm in, Dr. G. M. Dawson, 159; the Bore at 
Moncton, Bay of Fundy, W. Bell Dawson, 161 ; the Devonian 
System of Canada, J. P. Whiteaves, 515 
Cancer, a Biological Aspect of, F. J. Faraday, 23 
Cancer, a Parasitic Fungus in Cancerous Tumours, J. Chevalier, 
120 
Candolle (C. de), the Constant Difference between Normal and 
Adventitious Buds of Trees, 550 
Cannibalism, Gecko, F. P. Bedford, 8 
Caoutchouc Threads, Transverse Tones of, V. von Lang, 384 
Caoutchouc, Action of some Gases on, M. D’Arsonval, 239 
Cape Observatory, the, 430 
Carbohydrates, Experiments on the Action of Hydrogen 
Peroxide on, in Presence of Iron Salts, Mr. Morrell, 609 ; 
Mr. Crofts, 609 
Carbon, Fixation of, by Plants, Dr. Horace T. Brown, F.R.S., 
474, 544 ; 
Carbon Compounds, an Introduction to the, R. H. Adie, 271 
Carlier (Dr. C. W.), Digestive Changes in Cells of Newt's 
Stomach, 95 
Carpenter (George H.), Insects: their Structure and Life, 315 
Carpenter (H. C. H.), Action of Ethylene and Trimethylene 
Dibromides on Sodium Derivative of Ethylic Cyanacetate, 
118 
Cartography: Leitfaden der Kartenentwurfslehre, Prof. Dr. 
Karl Zoppritz, Sir C. W. Wilson, F.R.S., 435 
Carvell’s Nursery Handbook, J. M. Carvell, 518 
Case (Edward), Death and Obituary Notice of, 536 
Catalogue of Astronomical Instruments, Sir Howard Grubb, 
430 
Catslopue of the Lepidoptera of Northumberland, Durham, and 
Newcastle-upon-Tyne, J. E. Robson, 590 
Catalogue of the Library of the Royal Botanic Gardens, Kew, 
24. 
Garsteae Second Washington Star, 18 
Cataloguing, a Manual of Library, J. Henry Quinn, 124 
Cattle-Disease ; Preventive Qualities of Blood Serum of Im- 
munised Heifer against Contagious Peripneumonia, MM. 
S. Arloing and Duprez, 636 
Cauro (J.), La Liquéfaction des Gaz, 490 
Cause of Undercurrents, the, Admiral S. Makaroff, 544 
Caustic Soda, on the Action on Benzaldehyde of, Dr. C, A. 
Kohn, 609 ; Dr. W. Trantom, 609 
Cave Shelters and the Aborigines of Tasmania, H. Ling Roth, 
4 
Beenie and the Duration of the Human Race, T. E. 
Young, 73 
Centenary of the Royal Institution, 129 
Ceraski (M.), New Variable of Algol Type, 114 
Chabaud (V.), Radio-graphic Bulb with Cold Antikathode, 636 
Chalmers (R.), Gold Deposits of South Eastern Quebec, 428 
Chambers (G. F.), the Story of Eclipses, 489 
Channel, Western English, Survey of, Walter Garstang, 157 
Channel, First Report on the Periodic Investigation of the 
Plankton and Physical Conditions of the, during 1899, W. 
Garstang, 631 
Channel Tunnel, on the Geology of the, Prof. W. Boyd 
Dawkins, 610 
Chaplin (Rt. Hon, H.), the Progress of Vaccination, 350 
Chapman (D. L.), Allotropic Modifications of Phosphorus, 47 
Chappius (Dr. P.), Comparison of Platinum and Gas Ther- 
mometers, 238 ; Platinum Thermometry, 587 
Chapters on the Natural History of the United States, R. W. 
Shufeldt, 170 
Characteristics of a University, on the, Prof. Riicker, F.R.S., 
598 
Charpentier (Dr. A. L.), Death of, 155 
Chats about the Microscope, Henry C. Shelley, 518 
Chattaway (F. D.), Series of Substituted Nitrogen Chlorides, 
167 
Chauveau (A.), Thermogenesis and Use of Energy of Man in 
Raising and Lowering His Own Weight, 360 
Chauveau (A. B.), Diurnal Variation of Atmospheric Electricity, 
564 
Chemistry : the Temperature of Liquid Hydrogen, Prof. Dewar, 
14 ; the Solidification of Hydrogen, Prof. Dewar, 456, 488 ; 
Solid Hydrogen, Prof. James Dewar, F.R.S., 514 ; Displace- 
ment of Mercury by Hydrogen, Albert Colson, 48; Ratio of 
Atomic Weights of Hydrogen and Oxygen, A. Leduc, 71 : 
the Flame of Hydrogen, MM. Schlagdenhauffen and Pagel, 
72; Action of Hydrogen Peroxide on Carbohydrates in 
Presence of Iron, R. S. Morrell and J. M. Crofts, 47; Oxi- 
dation of Furfural by Hydrogen Peroxide, C. F. Cross, E. J. 
Bevan and T. Heiberg, 118; Hydrogen Peroxide and its 
Action on Photographic Plates, Dr. W. J. Russell, V.P.R.S., 
208 ; Action of Hydrogen Peroxide on Formaldehyde, A. 
Harden, 214 ; Estimation of Hydrogen Phosphide in Gaseous 
Mixtures, A. Joannis, 143; Action of Phosphoretted 
Hydrogen on Copper and Copper Salts, E. Rubénovitch, 
168, 384; the Oxides of Sodium and the Chemical Function 
of Water as compared with that of Hydrogen Sulphide, M. 
de Forcrand, 216; Decomposition of Silicates by Hydrogen 
Sulphide, P. Didier, 119; Combination of Sulphide of 
Carbon with Hydrogen and Nitrogen, Daniel Berthelot, 312 ; 
Osazones from Oxycelluloses, Léo Vignon, 24 ; Outlines of 
Industrial Chemistry, Frank Hall Thorp, 27; Recueil de 
données Numeriques Publié par la Société Francaise de 
Physique, Optique, H. Dufet, 28; Triboluminescence, Prof. 
A. S. Herschel, F.R.S., 29; Chemical Society, 47, 70, 118, 
167, 214; Synthesis of 88’-dipyridyl Derivatives trom Citra- 
zinic Acid, W. J. Sell and H. Jackson, 47 ; Condensation 
of Oxalic Acid and Resorcinol, J. T. Hewitt and A. E. 
Pitt, 47; Ethyl Ammonium Sulphite, E. Divers and M. 
Ogawa, 47 ; Allotropic Modifications of Phosphorus, D. L. 
Chapman, 47; Terebic and Terpenylic Acids, W. T. Law- 
rence, 47; Fencholenic Acid, G. B. Cockburn, 47 ; Iodine 
in Sea Water, Armand Gautier, 47; A Crystallised Double 
Carbonate of Cerium Peroxide, André Job, 48 ; Supposed 
Fluorine in Mineral Waters, F. Parmentier, 48 ; Oxidising 
Power of Alkaline Periodates, E. Péchard, 48; On the 
Chemical Classification of the Stars, Sir Norman Lockyer, 
K.C.B., F.R.S., 52; On the Distribution of the Various. 
Chemical Groups of Stars, Sir Norman Lockyer, K.C.B., 
F.R.S., 617 ; Obituary Notice of Prof. Charles Friedel, Dr. 
J. H. Gladstone, F.R.S., 57 ; Silicomesoxalic Acid, Prof. 
Gattermann, 63 ; Combustion of Carbon Disulphide, H. B. 
Dixon and E. J. Russell, 70; Action of Nitric Acid on 
Nitrogen Peroxide, H. B. Dixon and J. D. Peterkin, 71 ; 
Mode of Burning of Carbon, H. B. Dixon, 71 ; Crystalline 
Glycollic Aldehyde, H. J. H. Fenton and H. Jackson, 71 ; 
the Blue Salt. of Fehling’s Solution, O. Masson and B. D. 
Steele, 71; New Compound of Arsenic and Tellurium, E. C. 
Szarwasy and C. Messinger, 71; the Enantiomorphously- 
Related Tetrahydroquinaldines, W. J. Pope andS. J. Peachey, 
71 ; the Separation of Traces of Bromine existing in Chlorides, 
H. Baubigny, 72; Separation and Estimation of Traces of 
Bromine in presence of large excess of Chlorides, IH. Bau- 
higny, 95; Estimation of Traces of Chlorine in presence of 
very large excess of Bromine, H. Baubigny, 143 ; Action of 
Bromine in presence of Aluminium Chloride on Chloro- 
