Nature, Dec. 2, i8 



lections from Socotra at Keu-, 64 ; New Botanical Work by 

 Dr. Dodel-Port, 87 ; Text-Book of Botany, Prof. K. Prantl, 

 216; " Botanische Jahrbiiclier," A. Engler, 434; Botanical 

 Text-Book, Prof. Asa Gray, 4S2 ; the Jamaica Hurricane 

 and the Botanical Gardens, D. Morris, 538; "Botanical 

 Gazette," Indiana, 56S 

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

 Bottomley (J. T.), Experiment with Glass Tubes, 291 

 Bove (Lieut.), proposed Arctic Expedition, 42 

 Bower (F. Orpen), Germinatioa of JVelwilschia mirabilis, 59° > 



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., 



3S1 

 Braithwaite (Dr. R.), " S phagnace.-e, 'orPeat-Mosses of Europe 



and North America," 556 

 Branch-cutting Beetles, Fritz Midler, 533 

 Breath, Temperature of, 607 ; Dr. R. E. Dudgeon, 241, 5S4 ; 



C. J. McNally, 534 

 Breguet (M. Antoine), Recent Advances in Telegraphy, iS 

 Bremon (C. McPherson de), Lightning Conductors, 3S2 

 Brieg, Switzerland, Shock of Earthquake at, 230 

 Bristol, University College, 494 



British Association : Meeting at Swansea, Officers and Preli- 

 minary arrangements, iSl, 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, Soirees, 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 

 LTnderground 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 Exercife 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 ; ^ • 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- 

 ilachines, 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 Pjioto-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, 44S ; on the Determination of the 

 Loss of Heat in Steam Boilers from Incrustation, Wm. Thom- 

 son, 448 ; on the Identification of the lulc used in Writing as 

 evidence in Cases of Libel, Forgery, &c. , W. Tliomson, 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., 

 <49 ; on a New Process for the Production from Aluminous 

 Jlinerals 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 Eodo, 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- 

 Tertiai-y and Glacial Deposits of Kashmir, Lieut. -Col. 

 Godwin-Austen, 450 ; on the Fault-Systems of Central and 

 West Cornwall, J. H. Collins, 450 ; on the Geology of the 

 Balearic Islands, Dr. Phene, 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 j 

 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 Ranee, 451 



Section D (Biology). — Opening Address by the President, Dr. 

 A. C. L. G. Giinther, F.R.S., 393 ; on the Classification of 

 Cryptogams, A. W. Bennett, 451 ; Further Remarks oa. 

 the Mollu=ca of the Mediterranean, Dr. Gwyn Jeffreys,^ 

 F.R.S., 452, 477 ; on the Migration of Birds, and Jfessr?,_ 

 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.— KA&re?,i by F. W. Rudler, 

 F.G.S., 421 ; on Anthropological Colour-Plienome:ia in 

 Belgium and E^ewhere, J. Eeddoe, M.D., F.K.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. Phene. 

 F.S.A., 47S; Mr. Thomas Plunket, on an Ancient Settle- 



