I

ABBE (Prof. Cleveland), Artificial Rain, 167; Methods of
Formation of Hail, 337

Abbe's Optical Theorems, Prof. J. D. Everett, F.R.S., 276
Aberration, Constant of, C. L. Doolittle, 405
Abnormal Stars in Clusters, Prof. E. E. Barnard, 68

Aborigines, Australian, Investigations of the Habits and Folk-
lore of, 88

Abruzzi's (the Duke of the) Polar Expedition, 37

Absorption Spectra of Saline Solutions, Prof. W. N. Hartley,
313

Academies, the International Association of, 519; Meeting of
the, 591, 616

Accumulators: the Lead Storage Battery, Desmond G. Fitz-
Gerald, 249

:

Acetylene the Growth of the German Industry, 113
Acetylene Gas: Novel Marine Torch, 474

Acoustics: a Text-book of Physics, Sound, J. H. Poynting,
F.R.S., J. J. Thomson, F.R.S., 26; the Refraction of Sound
by Wind, Dr. E. H. Barton, 123; Audibility of the Sound of
Firing on February 1, 355, 372, 420; Sir W. J. Herschel,
395; Arthur R. Hinks, 441; Robert B. Hayward, F.R.S.,
538; Gun Reports heard at Great Distances, 402; Musical
Arcs, 542; Death of Dr. Franz Melde, 545; Numerical
Illustrations of Sound-Diffraction, Prof. H. Lamb, F.R.S.,
604; on the Nature of Vowels, E. W. Scripture, 626
Acuteness of Sight, the Optics of, Dr. A. S. Percival, 82;
F. Twyman, 157

Adam (J.), Liquid Air, 252

Adams (E. P.), Circular Magnetism and Magnetic Permeability,
505

Adkin (R.), Aberrant Male Specimens of Argynnis aglaia, 219
Aeronautics: Sounding the Ocean of Air, A. Lawrence Rotch,

55; Trial of Endurance in Ballooning, 63; Count von Zep-
pelin's Navigable Balloon, A. Stolberg, 187; by Land and
Sky, Rev. John M. Bacon, 203; Balloon Ascents, January
10, 353; New Flying Machines, 403; the Ascents of
February 7, Dr. Hergesell, 449; History and Progress of
Aerial Locomotion, Prof. G. H. Bryan, F. R.S., 526; the
International Ascents of March 7, Dr. Hergesell, 594
Africa Glacial Characters of Prieska Conglomerate, A. W.
Rogers and E. L. H. Schwarz, 12; the " Park-lands" in
Tanganyika District of Central Africa, J. E. S. Moore, 98 ;
Periodical Changes in Rainfall at Cape of Good Hope, Prof.
J. T. Morrison, 124; South African Philosophical Society,
124, 220, 532; a Plea for the Study of the Native Races in
South Africa, Prof. A. C. Haddon, F.R.S., 157; Breeding
Habits of Protopterus and other West African Fishes, J. S.
Budgett, 170; Messrs. MacIver and Wilkin's Algerian
Journey, 170; Game Preservation in Africa, Viscount Cran-
borne, 186; Death of Major Serpa Pinto, 237; the Uganda
Dwarfs, Sir H. Johnston, 238; Natural History of Uganda,
Sir H. Johnston, 238; Rocks from Newlands Diamond
Mines, Griqualand West, Prof. T. G. Bonney, F.R.S., 242;
Protective Inoculation against Horse-Sickness in Cape Colony,
Dr. Edington, 282; Mr. J. E. S. Moore's Researches in
Lake Tanganyika, &c., 284; Termites' Ravages in Rhodesia,
Rev. A. Leboeuf, 306; Geology of Lake Nyasa, Alex.
Richardson, 315; the Great Nile Dam at Assouan, 381;
Eocene and Cretaceous Series in Nile Valley, H. J. L.

Beadnell, 382; the Birds of Africa, G. E. Shelley, 393;
Cretaceous Sea-Urchin in Eastern Sahara, M. de Lapparent,
435; Agricultural Prospects in South Africa, Prof. R.
Wallace, 499; Submerged Valley opposite Congo Mouth,
Prof. E. Hull, 506; Bushman Paintings from Groot Riet
River, E. H. L. Schwarz, 532; Death of Dr. Schlichter,
545; Platinum in Egyptian Hieroglyphics, Daniel Berthelot,
556; the Mammals of South Africa, W. L. Sclater, 583;
the Discoverer of Lake Ngami, William Cotton Oswell,
Hunter and Explorer, W. E. Oswell, Supp. vi.
Agardh (Prof. J. G.), Death of, 352; Obituary Notice of, 377
Agriculture: Present Condition of Indigo Industry, Dr. F. M.

Perkin, 7, 111, 302; Literature of Coffee and Tobacco Plant-
ing, G. H. James, 7; J. R. Jackson, 7; the Locust Plague
and its Suppression, Eneas Munro, 55; Minéralogie Agricole,
F. Houdaille, 57; the Russian Government and Agriculture,
64; Memoranda of the Origin, Plan and Results of the
Experiments conducted at Rothamsted, 1900, 79; Agri-
cultural Demonstration and Experiment, Prof. Wm. Somer-
ville, F.R.S., 84; Horticultural Practice, 86; Flies
Injurious to Stock, Eleanor A. Ormerod, 127; Artificial
Rain, Prof. Cleveland Abbe, 167; Report of the Working
and Results of the Woburn Experimental Fruit Farm, Duke
of Bedford and Spencer U. Pickering; Dr. Maxwell T.
Masters, 177; Sugar-Cane Experiments, 335; Agriculture in
the West Indies, Prof. J. P. d'Albuquerque, 356; Peach-
Leaf Curl: its Nature and Treatment, Newton B. Pierce, 393;
Sugar-Beet Cultivation in England, A. D. Hall, 450; Agri.
cultural Value of Land in Madagascar, A. Müntz and E.
Rousseaux, 459; Scientific Agriculture in the United States,
479; Agricultural Prospects in South Africa, Prof. R.
Wallace, 499; Bird Destruction in France, L. A. Levat,
500; the Agricultural Changes and Laying Down Land to
Grass, R. H. Elliott, 585

Air and Disease, Harold Picton, 276
Air, Hydrogen in, M. Armand Gautier, 478
Air, Liquid, J. Adam, 252

Air, Liquid, as an Explosive, A Larsen, 305
Aitken (Thomas), Road-Making and Maintenance, 272
Aitken (Mr.), Dynamics of Cyclones, 507
Albrecht (Dr.), Plague Infection, 89

:

Alcohol Injurious Constituents in Potable Spirits, 491
Alcyonium, Dr. Hickson, 330

Alexander (Dr. P. Y.), Darwin and Darwinism, 5
Algol, Light Curve of, A. A. Nijland, 525

Alkaloids: Die Pflanzen-Alkaloide, Jul. Wihl. Brühl, Eduard
Hjelt, Ossian Aschan, Prof. R. Meldola, F.R. S., 486
Allen (Grant), In Nature's Workshop, 513
Alliance between Science and Industry, the, 135
Allison (J. A.), Rhamnazin and Rhamnetin, 75
Allman (Prof. George J., F.R.S.), Euclid i. 32 Corr., 106
Alloys, Potassium-Mercury and Sodium-Mercury, and Sodium
with Cadmium, Lead and Bismuth, N. S. Koarnakoa, 188
Alloys, Thermo-Chemistry of Copper-Zinc, T. J. Baker, 363
Almucantar, the, C. S. Howe, 309

Alpine Crust-Basin, an, Dr. Maria M. Ogilvie-Gordon, 294
Alps: Das geotektonische Problem der Glarner Alpen, A.
Rothpletz, 294; Geologische Alpenforschungen, A. Roth-
pletz, 294; Dr. Maria M. Ogilvie-Gordon, 294

B