June 14, 1900.

ABBE (Prof. Cleveland), the Aims and Methods of Meteorological Work, especially as conducted by National and State Weather Services, 448

Abbot (C. G.), the Wastefulness of Artificial Lights, 546; a Compound Prism of Uniform Dispersion, 597

Abegg (Prof.), Use of Violuric Acid in Calorimetric Investigations, 402

Abelous (E), Transformation of Nitrobenzene into Aniline by. Horse-kidney Ferment, 407

Abelous (J.), Co-existence of Reducing and Oxidising Diastase in Animal Organs, 192

Abney (Sir W. de W.), Monochromatic Vision, 433
Abraham (M.), Researches on Kerr's Phenomenon, 112
Abraham (H.), Time of Establishing Electric Spark, 360;
Instantaneous Disappearance of Rotatory Polarisation, 435
Acoustics: Note on Distances to which Explosions are Felt and
Heard, Dr. Charles Davison, 91; Barisal Guns, Henry S.
Schurr, 127; Barisal Guns and Earthquakes, Prof. A. Issel,
60; Highest Audible and Inaudible Notes, R. König, 190;
Mechanism of Hearing, Firmin Larroque, 311; Earthquake
Sounds, Dr. C. Davison, 329; Movements of Expired Air
during Formation of Speed Sounds, E. Gellé, 384; Photo-
graphs of Sound Waves, Prof. R. W. Wood, 433; New
Method of Measuring Acuteness of Hearing for Intensity of
Sound, E. Toulouse and N. Vaschide, 436; an Interesting
Case of Resonance, Kenneth McMurtrie, 445; the Acoustic
Analysis of the Vowels from the Phonographic Record, Prof.
Louis Bevier, 467; Syntony, P. E. Shaw, 529; Electrical
Micrometer, P. E. Shaw, 529

Addenbrooke (Mr.), Model illustrating Flow-actions of Electric
Current, 23

Adie (R. H.), Reaction between Sulphuric Acid and Potassium
Ferrocyanide, 190; Sulphate of Bismuth, 190; Volumetric
Estimation of Potassium, 405

Adrian (M.), Colouring Matter of Digitalis, 144
Aeration, Milk-preservation by, Dr. F. H. Bowman, 507
Aerolites, H. L. Ward, 190; W. M. Foote, 190
Aeronautics: Death and Obituary Notice of H. T. Coxwell,
257; Danilewsky's Divisible Balloon, 372; Recent In-
ternational Balloon Ascents, Dr. H. Hergesell, 572; Recent
Exploration in Upper Air and its bearing on Theory of
Cyclones, H. H. Clayton, 611; Aeronaut Poisoned by
Hydrogen Arsenide, 618

Aflalo (F. G.), Types of British Animals, 77; the Necessity for
Legislative Regulation of Sea Angling, 235

Africa: the Situation of Ophir, Dr. Carl Peters, 203: the African Horse Sickness, Dr. R. Wallace. 235; the Orange River Ground Moraine near Prieska, Messrs. Rogers and Schwarz, 240; Mineral Wealth of Zoutpansberg, D. S. S. Steuart, 281; Journals and Papers of Chauncy Maples, D.D., late Bishop of Likoma, Lake Nyasa, 294; In Dwarf Land and Cannibal Country, a Record of Travel and Discovery in Central Africa, A. B. Lloyd, 314; Geology of Mount Kenya, Dr. J. W. Gregory, 382; Elæolite-syenite and Fourchites of British South African Coast, Dr. J. W. Gregory, 382; Soils of South-west Cape Colony, C. F. Juritz, 436; a Flesiosaurian from Uitenhage, Cape Colony, Mr. Schwarz, 544; Remarkable Hailstorm in Cape Colony, O. D. Deacon, 594; Mammals of Mount Kenya, O. Thomas, 458; the Fauna of South Africa. Birds, A. C. Stark, 516; the Birds of Africa, comprising all the species which occur in the Ethiopian Region, G. F. Shelley, 516; Flint Implements from Nile Valley, 597; the Protection of Wild Animals, 616

Agamennone (Dr. G.), Balikesri Earthquake of September 14, 1896, 500

Agassiz (Prof. Alexander), Results of Recent Soundings in the
Pacific, 211; the Pacific Corals, 432; Trawling in Pacific,
529
Agriculture the Utility of the Sulphate of Ammonia in Agri-
culture, James Muir, 101; Progress of Agricultural Chemistry,
Prof. Maercker, 116; the Wheat Problem, Sir William Crookes,
F.R.S.; Sir R. Giffen, K. C. B., F.R.S., 169; Death and
Obituary Notice of Dr. J. F. Hodges, 184; Scientific Weather
Prediction for Agricultural Purposes, Dr. van Webber, 185;
the "Wilt" Disease of Cotton, &c., E. F Smith, 186; the
Eradication by Spraying of Charlock and Runch, J. R.
Campbell, 186; Eradication of Charlock by Spraying, Prof.
W. Somerville, 619; the Use of Sulphate of Copper, Dr.
J. A. Voelcker, 281; Agricultural Education, 332; the West
Indian Agricultural Conference, Prof. J. P. d'Albuquerque,
392; Rice Culture in U.S.A., Dr. S. A. Knapp, 401;
Nitragin and the Nodules of Leguminous Plants, Maria
Dawson, 405; Soils of South-west Cape Colony, C. F. Juritz
436; Death and Obituary Notice of L. J. McCormick, 476;
the Bacteriology of the Soil, Thos. T. Watson. 515; Nitragin
ineffective in increasing Clover Crop, 519; the Work of the
Research Association, 519; the Price of Wheat at Hadding-
ton, 1627-1897, R. C. Mossmann, 519; Australian Experi-
mental Farms, 528; the Locust Plague in New South Wales,
W. W. Froggart, 620

Agrumi, Gli, Prof. Antonio Aloi, 294
Ahrens (C. D.). Large Nicol Prisms, 31

Aitken (John, F. R.S.), Atmospheric Electricity, 514; Dynamics of Cyclones, 531

Air, the Resistance of the, Prof. G. H. Bryan, F.R.S., 107, 248 Air, Liquid, as Anæsthetic, Dr. A. C. White, 258; the Distillation of Liquid Air, E. C. C. Baly, 457; Its Uses for Researches at Low Temperatures, Prof. Ramsay, 458 Air Movement at Simla and in the Western Himalayas, 380 Alaska and the Klondike, Angelo Heilprin, 122 Albrecht (Prof. Th ), Variation of Latitude, 574 Albuquerque (Prof. J. P. d'), the West Indian Agricultural Conference, 392

Alby (M.), on the Construction and Erection of the Alexander
III Bridge over the Seine in Paris, 21

Alcock (A.), an Account of the Deep-sea Brachyura, being
Systematic Reports upon the Materials collected by the Royal
Indian Marine Survey Ship Investigator, 291
Alcoholism, Acute, N. Gréhant, 95

Ale, Birch, Dr. W. C. Maclagan, 286
Alembert (D'), Abhandlung der Dynamik, 390
Alexandria, Hero of, W. Schmidt, 202

Algebra, Elementary, C. H. French and G. Osborn, 200
Algeria, Petroleum in, M. Neuburgher, 618

Algol Type, Variable Stars of the, H. C. Wilson, 521
Algol Variable, Light Curve of Ceraski's First, 355
Algol Variable in Cygnus, New, 17

Algol Variable in Cygnus, Ceraski's Second New, 355; Prof.
E. C. Pickering, 454

Alkali Industry, Impending Changes in the General Development of Industry, and particularly in the, Prof. G. Lunge, 92 Allbutt (Prof. T. C., F.R.S.), a System of Medicine by many Writers; Edited by, 584

Allen (E. J.), the Stockholm Fisheries Conference, 54. 227; Report of the Marine Biologist for the Year 1898; Cape of Good Hope Department of Agriculture, 562