Asia, Central, Geology of, 348

Asterabad, the Province of, 281

Astigmatism, Dr. Tempest Anderson on, 476

Astronomical Column, 18, 67, 88, 112, 131, 156, 184, 205, 231,
276, 301, 347, 374, 399, 454, 466, 495, 541, 569, 593, 616
Astronomy, Prof. Asaph Hall on the progress of, 570
Atmospheric Phenomenon, 362, 607

Atoms, Vortex, S. Tolver Preston, 121
Atti della R. Accademia dei Lincei, 234
Audiphone, a New, Thos. Fletcher, 145

Audition, Binaural, Prof. Graham Bell's Experiments in, 586
August Perseids of 1880, W. F. Denning, 470
Aurora: the Inevitable Test for, Prof. Piazzi Smyth, 76; Warren
De La Rue, F.R.S., and Hugo W. Müller, F.R.S., 96; J. R.
Capron, 291; Height of the, John I. Plummer, 362; Auroræ
in Scotland, 373; Observations of Aurora on August 12 and
13, Ralph Copeland, 510; Auroras in America, 594; Aurora
Borealis, the, Warren De La Rue, F.R.S., and Hugo W. Müller,
F.R.S., 33; Robert H. Scott, F.R.S., 33; Aurora Borealis
and its Colours, T. W. Backhouse, 145: Warren De La Rue,
F.R.S., and Hugo W. Müller, F.R.S., 169; Aurora Borealis
and Magnetic Storms, Rev. S. J. Perry, F.R.S., 361; J. A.
B. Oliver, 361; F. J. Mott, 361; Auroral Observations,
Prof. Sophus Tromholt, 192

'Australian Orchids," R. O. Fitzgerald, 53

Australia, Meteorology of South, C. Mann, 120; C. Todd, 120
Australia, a supposed Survivor of Leichhardt's Expedition, 184
"Automatic Multiplier and Calculator," J. Sawyer, 316
Ayrton (Prof. W. E.), Seeing by Telegraphy, 31; Wire Torsion,
604; on Technical Education, 616

Axon (William E.), Stone in the Nest of the Swallow, 242
Azores, supposed New Island in the, Prof. T. E. Thorpe, F.R.S.,
509

Bautzen, Discovery of Ancient Burial-Ground near, 66
Bavaria, Prof. H. Ohlenschlager's Prehistoric Map of, 68
Bay of Biscay, French Deep-Sea Exploration of, Dr. J. Gwyn
Jeffreys, F.R.S., 468

Beaumont (Col.), Air-Engine, 567

Becquerel (M. Henri), on the Magneto-Optic Properties of
Gases, 280

Bedfordshire Pomona, 615

Bees, Exhibition of Apparatus relating to, 17

Bee Keeping, English and American Works on, 433
Beetles, Monstrous, 520

Beetles, Branch-Cutting, Fritz Müller, 533

Behnke (Emil), "The Mechanism of the Human Voice," 239
"Belfast Lough, Birds, Fishes, and Cetacea commonly fre-
quenting," Robert Lloyd Patterson, 289

Belgium, the National Exhibition at Brussels, 345; the Geology
of, 348

Bell (Prof. Graham), Photophone, Prof. S. P. Thompson, 481;
Selenium and the Photophone, 500; Experiments in Binaural
Audition, 586

Bennett (A. W.), the Classification of Cryptogams, 451

Bergsma (Dr. P. A.), Rainfall of the East Indian Archipelago,
434

Berlin, Formation of Society of Zoology at, 65; the Geogra-
phical Society of, 254, 618, 624; Anthropological Congress
at, 345

Bermuda, Remarkable Discovery of a Murder in, H. N. Moseley,

170

Berthelot's Essay on Chemical Dynamics, 285
Beryllium, 350

Bessemer (Sir Henry, F.R.S.), Presentation of the Freedom of
the City of London to, 64

Betti (Prof. E.), "Teorica delle Forze Newtoniane e sui appli-
cazioni all' Elettrostattica e al Magnetismo," 557

Bibliography, the "Ronalds" Catalogue of Works on Elec-
tricity, Magnetism, &c., 87

Bichromate Battery, an Improved, 375

Bidie (Dr. G.), Calcareous Concretions in Timber, 169
Biedermann (Dr. Richard), Death of, 87

Binary Stars a Centauri, 399, 541; S5 Pegasi, 467; 8 Equulei,
593

Binaural Audition, Prof. Graham Bell's Experiments in, 586
Binocular Glasses, the Inventor of, 567

Binomio di Newton, Ignazio Cameletti, 582
Biological Notes, 112, 277, 520, 594
Biology, a New Term Wanted, D. Sharp, 364
Bird (Isabella), "Unbeaten Tracks in Japan," 610

Backhouse (T. W.), Aurora Borealis and its Colours, 145
"Bacterium foetidum: an Organism Associated with Profuse
Sweating from the Soles of the Feet," Geo. Thin, M.D., 209
Baer, Karl Ernst von, proposed Monument to, 64
Bailey (Prof. W. Whitman), Intellect in Brutes, 607
Baillon and Decaisne, 12

Baillon (Prof.), on a Case of Apparent Insectivorism, 277

Balfour (F. M., F.R.S.), Address in Section D at the British

Balfour (Dr. J. B.), on Socotra, 477

Ball Lightning, W. F. Smith, 267

Balloons as Advertising Mediums, 17; Balloon Expedition
from France to England, III; another project for reaching
the North Pole by, 134; Photographs from a, 183, 204; Balloon
Accident at Le Mans, 253; new Scheme for Directing, W.
de Fonvielle, 304; Manufacture of War Balloons in France,
346; Accident to an Aeronautist, 374; Ascent at Cherbourg,
398; Balloon Contest in London, 441; Balloon Society of
Great Britain, 441, 495; Military Ballooning, 441; Balloon
Contest at the Crystal Palace, 519, 592, 615; Proposed
Captive at Milan, 615

Barfoed (Dr. Chr. Th.), "Lehrbuch der organischen Qualita-
tiven Analyse," 581

Barrow-in-Furness, Summer Meeting of the Institution of
Mechanical Engineers, 300

Barrows, Round and Long, Prof. Rolleston on, 478
Bathurst, near Tuena, Discovery of Gold in, 275

Batrachia, on the Structure and Development of the Skull in
the, W. K. Parker, F.R.S., 161

Tattery, Secondary, a New, 521

Birmingham (John), Notes of the Cuckoo, 76; Variability of
60 Cancri, 76; Wild Swans-Notes of Birds, 171; Chipped
Flints, 319; a New Red Star, 40S
Bismuth, the Density of Fluid, 448
Black Beetles and Yeast, II

Blight, Mosquitos, Flies, &c., Protection against, Wm. Chappell,
F.S.A., 11

Blowpipe Analysis, Alphabetical Manual of, Col. W. A. Ross,
336

Blue Pike, American, Parasite on, 114

Blyth (James), on Currents produced by Friction between Con-
ducting Substances, and on a New Form of Telephone Re-
ceiver, 330

Boguslawski on Ocean Temperature, 114

Bohemian Physicians and Naturalists, Congress of, 379
Books, &c., Recall of Appearance of, Cornelius Walford, 220
Borchardt (Prof. C. W.), Death of, 251

Borneo, Geological Formation of Soil of, 41

Boston, U.S., Meeting of the American Association at, 345, 397,
424, 493; American Academy of Arts and Sciences, 332
Botany: Curious Botanical Phenomenon, 30; Prof. Thiselton
Dyer on Botanic Gardens, 39; Safe Arrival of Botanical Col-

lections from Socotra at Kew, 64; New Botanical Work by
Dr. Dodel-Port, 87; Text-Book of Botany, Prof. K. Prantl,
216; "Botanische Jahrbücher," A. Engler, 434; Botanical
Text-Book, Prof. Asa Gray, 482; the Jamaica Hurricane
and the Botanical Gardens, D. Morris, 538; "Botanical
Gazette," Indiana, 568

Bottomley (J. J.), the Elasticity of Wires, 447

Bottomley (J. T.), Experiment with Glass Tubes, 291
Bove (Lieut.), proposed Arctic Expedition, 42

Bower (F. Orpen), Germination of Welwitschia mirabilis, 590;
Sieve-Tubes of Dicotyledonous Plants, 602

Brain, 456

Brain Dynamics, on a Point Relating to, S. Tolver Preston, 29;
G. J. Romanes, F.R.S., 75; Rev. W. Clement Ley, 121; S.
Tolver Preston, 121

"Brain as an Organ of Mind," Dr. H. Charlton Bastian, F.R.S.,
381

Braithwaite (Dr. R.), "Sphagnacex, or Peat-Mosses of Europe
and North America," 556

Branch-cutting Beetles, Fritz Müller, 533

Breath, Temperature of, 607; Dr. R. E. Dudgeon, 241, 584;
C. J. McNally, 534

Breguet (M. Autoine), Recent Advances in Telegraphy, 18
Bremon (C. McPherson de), Lightning Conductors, 382
Brieg, Switzerland, Shock of Earthquake at, 230

Bristol, University College, 494

BRITISH ASSOCIATION: Meeting at Swansea, Officers and Preli-
minary arrangements, 181, 383; and Provincial Scientific
Societies, John Hopkinson, 319, 440; the Geology of
Swansea, 323; Excursions, &c., 324; Inaugural Address
of the President, Dr. Andrew Crombie Ramsay, F.R.S.,
383; the Natural History Collections and the, 410; Excur
sions, Soirées, Evening Lectures, &c., 410, 411; the Annual
Grants, 411, 442; Report on the Best Means for the
Development of Light from Coal Gas, 442; Report on
Underground Temperatures, 442; Report on the Specific
Inductive Capacity of a Good Sprengel Vacuum, 443;
Report on the Ultra-Violet Spectra by Prof. A. K.
Huntington, 444; on the Spectra of Metalloids, Dr. A.
Schuster, F.R.S., 444; Report of the Committee on Erratic
Blocks, 444; Report on the Exploration of Caves in the
South of Ireland, 445; Report on the Carboniferous
Polyzoa, 445; Report on the "Geological Record," 445;
Sixteenth Report of the Committee for Exploring Kent's
Cavern, 445; Report on H.M. Inspectors of Schools and
the Science Subjects of the Code, 445; Report on the In-
fluence of Bodily Exercise on the Elimination of Nitrogen,
445; Report on the Tertiary Flora of the Basalts of the
North of Ireland, W. H. Baily, 476; Report on the Vivi-
parous Nature of the Ichthyosauri, Prof. H. C. Seeley,
476; the Sixth Report of the Underground Water Com-
mittee, 476; Report on the present State of our Knowledge
of the Crustacea, C. Spence Bate, F.R.S., 476
Section A (Mathematics and Physics). -Opening Address by
the President, Prof. W. Grylls Adams, F.R.S., 411; on
some Laws which regulate the Succession of Temperature
and Rainfall in the Climate of London, H. Courtenay Fox,
455; W. H. Preece on the Best Form to give to Lightning
Conductors, 446; Richard Anderson on the Necessity for
a Regular Inspection of Lightning Conductors, 446; Sir
William Thomson on a Method of Measuring Contact Elec-
tricity, 446; Sir William Thomson on a Method of Deter-
mining without Mechanism the Limiting Steam-Liquid
Temperature of a Fluid, 446; G. F. Fitzgerald on the
Possibility of Originating Wave-Disturbances in the Ether,
446; W. Ladd on the Best Form of Magnet for Magneto-
Machines, 446; J. J. Bottomley on the Elasticity of Wires,
447; Prof. W. G. Adams on the Comparison of Declina-
tion Magnetographs at various places, 447; Prof. G. H.
Minchin on Photo-Electricity, 447; Prof. S. P. Thompson
on Electric Convection Currents, 447; Hon. F. A. R.
Russell on "Experiments on Thin Films of Water, with
Regard to the Absorption of Radiant Heat," 447; Dr.
Tempest Anderson on an Improved Apparatus for the
Objective Estimation of Astigmatism, 476
Section B (Chemical Science).-Opening Address of the
President, Dr. J. H. Gilbert, F.R.S., 472; on the In-
fluence of Water on the Union of Carbonic Oxide with
Oxygen at a High Temperature, Harold B. Dixon, 447;
Metallic Compounds containing Organic Radicals, J.

Sakurai, 448; on some Relations between the Atomic
Volumes of Certain Elements and the Heat of Formation
of some of their Compounds, Walter Weldon, 448; on the
Specific Rotary Power of Cane and Invert-Sugar, Alfred
H. Allen, 448; on the Identification of the Coal-Tar
Colours, John Spiller, 448; on the Density of Fluid
Bismuth, W. C. Roberts, F.R.S., and Thomas Wrightson,
448; on Petroleum Spirit and Analogous Liquids, A. H.
Allen, 448; on the so-called Normal Solution for Volumetric
Analysis, A. H. Allen, 448; on the Determination of the
Loss of Heat in Steam Boilers from Incrustation, Wm. Thom-
son, 448; on the Identification of the Ink used in Writing as
evidence in Cases of Libel, Forgery, &c., W. Thomson, 448;
the Effects of Magnesia on Vegetation, Major-Gen. Scott,
F.R.S., 448; on Bleaching-powder Residues, J. F. W.
Hodges, 448; on the Refraction Equivalent of Diamond
and the Carbon Compounds, Dr. J. H. Gladstone, F.R.S.,
449; on a New Process for the Production from Aluminous
Minerals of Sulphate of Alumina from Iron, J. W.
Kynaston, 449; on a New Process for separating Silver
from Copper Ores and Reguluses, by W. Henderson, 449
Section C (Geology).—Opening Address by the President,
H. C. Sorby, LL.D., F.R.S., 390; Notes on the Sub-
Marine Geology of the English Channel off the Coast of
South Devon, A. R. Hunt, F.G.S., 449; on the Site of a
Paleolithic Implement Mannfactory at Crayford, Kent,
F. C. Spurrell, 449; on the Island of Torghatten, Norway,
and on the Influence of Joints on Denudation, Prof. W. J.
Sollas, 449; on the Contortion of a Quartz Vein in the
Mica Schist from Bodö, Norway, Prof. W. J. Sollas,
449; on the Geological Age and Relations of the Sewalik,
and Pikermi Vertebrate and Invertebrate Faunas, W. T.
Blanford, 449; on the Relations to be Established between
Coast-line Direction represented by Great Circles on the
Globe and the Localities marked by Earthquakes in
Europe, Prof. J. P. O'Reilly, 449; on the Sandstones
and Grits of the Lower and Middle Series of the Bristol
Coal-Fields, E. Wethered, 449; on the Hiatus said to have
been found in the Rocks of West Cork, G. H. Kinahan,
449; Note on the Range of the Lower Tertiaries of East
Suffolk, W. H. Dalton, 450; Proof of the Organic Nature
of Eozoon Canadense, Charles Moore, 450; on the Post-
Tertiary and Glacial Deposits of Kashmir, Lient.-Col.
Godwin-Austen, 450; on the Fault-Systems of Central and
West Cornwall, J. II. Collins, 450; on the Geology of the
Balearic Islands, Dr. Phené, 450; on some Pre-Cambrian
Rocks in the Harlech Mountains, Dr. Hicks, 450; on the
Action of Carbonic Acid on the Limestone, Prof. Boyd
Dawkins, F.R.S., 450; on a Raised Beach with Diluvial
Drift in Rhos Sili Bay, Gower; on the Geological Evidence
of the Submergence of the South-West of Europe during
the Early Human Period, Prof. Prestwich, 450; on a Stri-
ated Stone from the Trias of Portishead; on the Action of
a Lichen on Limestone; on Sponge Spicules from the
Chalk of Trimmingham, Norfolk, Prof. W. J. Sollas, 451;
on the Geological Literature of Wales, W. Whitaker, 451;
Sketch of the Geology of British Columbia, Dr. G. M.
Dawson, jun., 451; Notes on the Occurrence of Stone
Implements in the Coast Laterite, South of Madras, and in
High-Level Gravel and other Formations in the South
Mahratta Country, R. Bruce Foote, 451; on the Pre-
Glacial Contour and Post-Glacial Denudation of the North-
West of England, C. E. De Rance, 451

Section D (Biology).—Opening Address by the President, Dr.
A. C. L. G. Günther, F.R.S., 393; on the Classification of
Cryptogams, A. W. Bennett, 451; Further Remarks on
the Mollusca of the Mediterranean, Dr. Gwyn Jeffreys,
F.R.S., 452, 477; on the Migration of Birds, and Messrs.
Brown and Cordeaux's Method of obtaining Systematic
Observations of the same at Lighthouses and Lightships,
Prof. Newton, F.R.S., 477

Department of Anatomy and Physiology.—Address by F. M.
Balfour, F.R.S., 417; Dr. J. B. Balfour on Socotra, 477
Department of Anthropology.-Address by F. W. Rudler,
F.G.S., 421; on Anthropological Colour-Phenomena in
Belgium and Elsewhere, J. Beddoe, M.D., F.R.S., 477;
Pocket Registrator for Anthropological Purposes, Francis
Galton, F.R.S., 478; on the Retention of Ancient
and Prehistoric Customs in the Pyrenees, Dr. Phené,
F.S.A., 478; Mr. Thomas Plunket, on an Ancient Settle-
12