- 1903, 259

'Achiardi (Dr. Antonio), Death of, 155

Aconcagua and Tierra del Fuego, Sir M. Conway, 175

Acoustics: Quasi-waves, P. Duhem, 71; the Paradox of the

Piano Player, Prof. G. H. Bryan, F.R.S., 127; Sound

Waves and Electromagnetics, the Pan-potential, Oliver

Heaviside, F.R.S., 202; on the Vowel "I" (as in Pique),

Louis Bevier, 251; the Archives of Phonographic Re-

cords, 301; the Affective Quality of Auditory Rhythm,

Robert MacDougall, 399; Characteristics of Electric

Earth-current Disturbances and their Origin, J. E.

Taylor, 454; Transmission of Sound through the Atmo-

sphere, C. V. Boys, F.R.S., 502

Across Coveted Lands, A. H. Savage Landor, 489

Activity, the Principle of, and Lagrange's Equations,

Rotation of a Rigid Body, Prof. W. McF. Orr, 368;

Oliver Heaviside, F.R.S., 368

Adams (G. I.), Eastern Choctaw Coalfield, 448; the Oil- and
Gas-fields of the Western Interior and Northern Texas
Coal-measures, and of the Upper Cretaceous and Tertiary
of the Western Gulf Coast, 449

Adams (Lionel), the Mole (Talpa Europaea), 95

Adams (Prof.), Proper Motion of the Sun Compared with
Stellar Velocities, 400; New Spectroscopic Binaries, 472
Adeney (Dr. W. E.), Ultra-violet Spark Spectrum of
Ruthenium, 406

Adkin (R.), a Hybrid Selenia bilunaria×S. tetralunaria,

2 and

Herography, Evolution of, Percival Lowell, 114

Aeronautics: International Balloon Ascents made from April

to June last, Dr. H. Hergesell, 13; in July, August and

September, Dr. Hergesell, 135; of October

November 6, 1902, Dr. Hergesell, 326; of December 4,
Dr. Hergesell, 398; International Balloon Ascents of
January 9, 444; Lebaudy's Navigable Balloon Ascent, 63;
the Lebaudy Dirigible Balloon, 350; Meteorology at Great
Altitudes, A. Lawrence Rotch, 137; Dr. von Bezold on
the Importance of Aeronautics for Meteorological Re-
searches, 138; Prof. Hergesell on International Aero-
nautical Experiments for the Scientific Exploration of the
Atmosphere, 138; General Rykatchef on the Preliminary
sults attained with Kites, Ballons-sondes,
anned Balloons during the past Five Years in Russia,
138; M. Teisserenc de Bort on Results of Observations of

the Decrease of Temperature in the High Atmosphere,

139; Observations of the Berlin Aeronautical Observatory,

Prof. Assmann, 139; Registration Balloon of Caoutchouc,

Prof. Assmann, 139; Sensitive Thermometer for Registra-

tion Balloons, M. Teisserenc de Bort, 139; Exploration

and

of the Atmosphere over the Ocean by Kites and Kite
Stations, A. L. Rotch, 139; Results obtained from Con-
tinuous Soundings of the Atmosphere, M. Teisserenc de
Bort, 140; Atmospheric Carriers of Electricity, Prof.

Ebert, 140; Journeys across the Sea in a Balloon, Henri

Hervé's Balloon, Lieut.-Colonel G. Espitalier, 181;

Aërial Navigation: a Practical Handbook on the Con-

struction of Dirigible Balloons, Aërostats, Aeroplanes and

Aeromotors, Frederick Walker, 218; Variations in the

Activity of Reduction of Oxyhemoglobin in the Course of

a Balloon Ascent, M. Tripet, 287; Travels in Space, E.

Seton Valentine and F. L. Tomlinson, Prof. G. H. Bryan,

F.R.S., 293; International Aeronautical Ascents of

February 5, 519; Experiments by M. Canovetti on the

Resistance of the Air to Moving Bodies, M. Barbet, 592

Afforestation of the Black Country, Prof. W. Schlich,

F.R.S., 395

Africa: the South African Sheep and Goat Disease known

as "Heartwater," C. P. Lounsbury, 38; Agriculture and

Forestry in the Transvaal, 86; Discovery of a New Form-

ation, the Ibiquas Series," in Cape Colony, 113; the

Enemies of Lepidoptera in Natal, G. F. Leigh, 166;

Traces of Past Glacial Action in the Orange River

Colony, South Africa, G. E. H. Barrett-Hamilton, 223;

Quartz Crystals of Peculiar Habit from South Africa,

T. V. Barker, 382; the Sedimentary Deposits of Southern

Rhodesia, A. J. C. Molyneux, 383; Uniform Time
Adopted by South African Governments, 519; Die
Wanderheuschrecken und ihre Bekämpfung in unseren
afrikanischen Kolonieen, Dr. L. Sander, 244; Bird Ex-

termination about Cairo, Dr. W. Innes, 328

Aftermath of the Paris Exhibition, the, Dr. F. Mollwo
Perkin, 465

Agassiz (Alexander, For. Mem. R.S.), on the Formation of
Barrier Reefs and of the Different Types of Atolls, Paper
read at the Royal Society, 547

L'Age de la Pierre, G. Rivière, 55

Agriculture: Meteorological Observatories and Agriculture
in U.S.A., 65; U.S. Department of Agriculture, Field
Operations of the Bureau of Soils, 1901, 485; Field Oper-
ations of the Division of Soils, 1900, Milton Whitney,
Supp. November 6, 1902, vi.; Agriculture and Forestry
in the Transvaal, 86; Agricultural Industry and Educa-

tion in Hungary, 102; Phellomyces sclerotiophorus

Potato Scab, Prof. T. Johnson, 166; Swede-rot from

County Down, Prof. T. Johnson, 263; Bird Extermination

about Cairo, Dr. W. Innes, 328; Agricultural Notes, 354;

Agriculture in West Indies, 355; Cotton Cultivation in
the West Indies, 543; Annali della Regia Scuola Superiore
di Agricoltura di Portici, 582; Chemical Agriculture:
Circuit of Nitrogen, Prof. Meyer, 21; the Problem of
Alkali in the Soil, J. D. Tinsley, 66; Pot Experiments to
Determine the Limits of Endurance for Injurious Sub-
stances, Wheat, F. B. Guthrie and R. Helms, 120; In-
ternal Action of Copper Sulphate in the, Resistance of
the Potato to Phytophthora infestans, Emile Laurent,
167; Chimica Agraria, Campestre e Silvano, Italo
Giglioli, 169; Virgil on Agriculture and the Nitrification
of the Soil, Dr. George Henderson, 191; the Potash

Salts: their Production and Application to Agriculture,

Industry and Horticulture, L. A. Groth, 222; Fluctua-

tions in the Level and in the Alkaline Character of the

Ground Water, W. P. Headden, 3053; Nitrogen and

Carbon in Clays and Marls, Dr. N. H. J. Miller, 478;

b