Nature, 
December 14. 1899 
PND EX 
ABAcuS, Calculation by, Maurice d’Ocagne, 363 
Abbe (Prof. Cleveland), the Height of the Aurora, 130; Meteor- | 
ological Services in Russia, 299 ; Tornadoes, 328 
Abbot (General H. J.), Climatology of Panama, 427 
Abbott (A.), Progressive Lessons in Science, 543 
Abelous (E.), Soluble Animal Ferment reductive of Nitrates, 
264; Reducing Power of Extract of Animal Organs, 312 
Abney (Captain W. de W., F.R.S.), Colour Sensations in Terms 
of Luminosity, 237 
Aborigines of Australia, Cave Shelters and the, H. Ling Roth, 
545 
Abraham (H.), the Instantaneous Disappearance of the Kerr 
Phenomenon, 336 
Abraham (M.), the Sterilising of Potable Water by Ozone, 24 
Abt (A.), Magnetic Properties of Hematite, 540 
Academies, the International Association of, 613 
Acetylene, Velocity of Detonations of, Daniel Berthelot and 
H. Le Chatelier, 456 
Achlya Americana, a Welsh Variety of, A. H. Trow, 37 
Acids on Starch, the Action of, Dr. G. H. Morris, 608 
Aclogue (A.), Faune de France, Mammifeéres, 410 
Acoustics : Observations with Resonators for determining how 
Modulus of Decay is Affected, Dr. A. Pochettino, 17 ; Distant 
Sounds, W. F-. Sinclair, 125 ; the Boyle Lecture on the Per- 
ception of Musical Tone, Prof. McKendrick, 163 ; Transverse 
Tones of Caoutchouc Threads, V. von Lang, 384; Beats 
given by Vibrating Strings, C. Maltézos, 456 ; the Audibility 
of Sound in Air, Rev. J. M. Bacon, 484 
Acqua (Dr. F. dell’), Meat Consumption in Italy, 352 
Addenbrooke (Mr.), Quadrant Electrometer for Application to 
Alternating Current Measurements, 70 
Adie (R. H.), an Introduction to the Carbon Compounds, 271 
Aerolite,-the Bjurholm, 110 
Aeronautics, Results of International Balloon Ascent, Dr. H. 
Hergesell, 66; the Report of the International Aeronautical | 
Society, 183 ; Experiments on best forms of Curves for use 
with Flying Machines, A. A. Merrill, 257; Mathematical 
Investigation of Theoretical Vertical Movements of Free | 
Balloon, Dr. Hergesell, 400; Death and Obituary Notice of 
Gaston Tissandier, 511; Death and Obituary Notice of 
Percy S. Pilcher, 546 
Africa: Remarkable Meteorites at Mount Zomba, 85; the 
Harmattan Wind, Dr. von Danckelmann, 112; the Spring- 
buck ‘‘ Trek” in Cape Colony, C. Schreiner, 135 ; Eruptive 
Rocks of Cape Blanc, Algeria, and Duparc, E. Ritter, 144; 
Les Plantes Utiles du Sénégal, Le R. P. A. Sébire, J. M. 
Hillier, 148 ; Monkey Destruction on Gold Coast, R. Morley, 
185 ; Mosquitoes and Malaria, Major Ronald Ross, 229, 398, 
535, 574; Life History of the Parasites of Malaria, Major 
Ronald Ross, 322; the Cause and Prevention of Malaria, Major 
Ronald Ross, 357 ; West African Studies, Mary H. Kingsley, 
243; Great and Small Game of Africa ; an Account of the 
Distribution, Habits, and Natural History of the Sporting 
Mammals, with Personal Hunting Experiences, 270; Cyclo- 
pean Ruins in Portuguese Africa, Dr. Karl Peters, 280; | 
Flora of Africa, 337; W. T. Thiselton-Dyer, F.R.S., 337 ; 
the Forests of the Sudan, Sir William Garstin, 401 ; the Vai 
Language, M. Delafosse, gor; Dr. Livingstone’s Tree, 425 ; 
the Extermination of Locusts by Fungus Inoculation, 426 ; 
Return of Major Ronald Ross, 574; Death and Obituary 
Notice of Dr. Oscar Baumann, 594; Death and Obituary 
Notice of Dr. J. W. Hicks, Bishop of Bloemfontein, 595 ; the 
Parent-Rock of the South African Diamond, Prof. T. G. 
Bonney, F.R.S., 620 
Agamennone (G.), Methods of determining position of Epicentre 
in Distant Earthquakes, 46 
Agriculture: Year-Book of the United States Department of 
Agriculture, 1898, 315 ; the West Indian Bulletin, 371 ; Agri- 
cultural Chemistry, Chimie végétale et agricole, M. Berthelot, 
541; on the Chemical Effect on Agricultural Soils of the Salt 
Water Flood of November 29, 1897, on the East Coast, T. S. 
Dymond, 609; F. Hughes, 609; Official Report of the 
National Poultry Conference held at Reading in July 1899, 615 
Air, the Audibility of Sound in, Rev. J. M. Bacon, 484 
Air, Liquid, and the Liquefaction of Gases, T. O’Conor Sloane, 
268 
Aitken (R. G.), Double Star Catalogue, 354 
Algebra, the Fundamental Principles of, Prof. Alexander Mac- 
farlane, 515 
Algz, Iodine in Chlorophyll-containing, 
336 
Algae, Method of Preparing, for observation, 597 
Algol Variable, the New, 354; New Variable of Algol Type,. 
M. Ceraski, 114; the New Algol Variable in Cygnus, 232, 
442, 53 
Allegheny Observatory, the New, 260 
Allen (Dr.), the Squirrels North of Mexico, 537 
Allen (Dr. F. J.), the Nature and Origin of Life, 623 
Allen (W. J.), the Destruction of Orange-tree Pests by Fumiga- 
tion, 548 
Alloys, Report of the Committee on the Heat of Combination of 
Metals in the Formation of, Prof. Vernon Harcourt, 586 
Alpine Gardening, 6 
Alps: Torsion Structure in the, 
M. Ogilvie, 443 
Aluminium Iodide, Explosion of, Prof. P. L. Narasu, 520 
Amagat (E. H.), New Form of Relations /(Z, v, T) = o for 
Fluids, 376 
America: the Chief of the American Nautical Almanac, Prof. 
Wm. Harkness, 8; the Western Interior Coal-fields of 
America, H. F. Bain, 36; Bulletin of American Mathe- 
matical Society, 46, 117, 263, 308; American Journal of 
Mathematics, 90, 359; American Journal of Science, 117, 
212, 383, 455, 516, 611; the Fresh-water Pearls of America, 
150; Chapters on the Natural History of the United States, 
R. W. Shufeldt, 170; United States Geological Survey, 
182; Recent Earth Movements of North American Lake 
Region, G. K. Gilbert, 182; ‘‘Amerind,” a Suggested 
Designation for American Aborigines, 188; Impressions of 
America, T. C. Porter, 291 ; a Problem in American Anthro- 
pology, Prof. Frederic Ward Putnam, 451; American Asso- 
ciation, 515 
‘* Amerind,” a Suggested Designation for American Aborigines, 
188 
Ames (J. P.), the Free Expansion of Gases, Memoirs by Gay- 
Lussac, Joule, and Joule and Thomson, 7 
Ammon (Otto), Zur Anthropologie der Badener, 145 
Amsterdam Academy of Sciences, 96, 216, 312 
Anatomical Diagrams for the Use of Art Students, James M. 
Dunlop, 410 
Anatomy: the Caéary avis common to all Mammalian Brains, 
Dr. Elliot Smith, 36; the Dog, its External and Internal 
Organisation, 435 
Anderson (Dr. T. D.), Two New Variable Stars, 551 
Armand Gautier, 
Prof. Suess, Dr. Maria 
