Arrow-heads, W. J. Knowles on the classification of, 166. *Arthurian apple and the serpent of the ancients, J. S. Phené on the, 169. Articulate speech, a hypothesis of the perception of, Dr. Cassells on, 148. Astronomical clock, a new form of, with free pendulum and independently governed uniform motion for escapement-wheel, Sir W. Thomson on, 49. Atlantic Ocean, the temperature obtained in the, during the cruise of H.M.S. 'Challenger,' Staff-Commander Tizard on, 185. *Atmosphere, an apparatus for the analysis of impurities in the, E. M. Dixon on, 63. Atomic weights of the elements, J. A. R. Newlands on relations among the, 66. *Ayrton (Prof.) and Prof. Perry on the contact theory of voltaic action, 42. *Bagshot peat-beds, W. S. Mitchell on the, 94. Baird (Capt. A. W.) on tidal operations in the Gulf of Cutch by the Great Trigonometrical Survey of India, 52. Balfour (F. M.) on the development of the proto-vertebræ in Elasmobranchs, 147. (J. B.) on the Pandaneæ of the Mascarene and Seychelles Islands, 142. *Banks (J.) on sewage purification and utilization, 62. *Barrett (Prof.) on a form of gashol der giving a uniform flow of gas, 48; *diagrams and description of the new lecture-table for physical demonstration in the Royal College of Science for Ireland, 48; two new forms of apparatus for the experimental illustration of the expansion of solids by heat, 48; on some phenomena associated with abnormal conditions of mind, 164. *Basic salts, G. J. Stoney on the constitution of, 69. Bathometer, description of the, by Dr. C. W. Siemens, 31. *Beaumont (Major) on the Sub- Wealden exploration, 87; on the removal of subaqueous rocks by the diamond rock-borer, 219. *Bergeron (M.) on the removal of sandbars from harbour mouths, 219. *Beynon (J. B.) on a hand-machine for shaping and finishing metal surfaces, 219. *Biggs (II. W.) on a new voltaic battery, 62. Biological results of a cruise in HI,M.S. 'Valorous' to Davis Strait in 1875, J. Gwyn Jeffreys on the, 147. Biological Section, A. R. Wallace's Address to the, 100. Bismuth, certain compounds of, M. M. Boarding-out of pauper children in Eng- *Borrowdaile series of the Coniston flags of the north of England, Profs. Harkness and H. A. Nicholson on the strata and fossils between the, 90. Bosanquet (R. H. M.) on the conditions of the transformation of pendulumvibrations, with an experimental illustration, 45. *Bosjes skulls, Dr. Knox on, 166. Botany and Zoology, Prof. A. Newton's Address to the Department of, 119. Botly (W.) on agricultural statistics, 194. *Bottomley (J. T.), determination of the conductivity of heat by water, 36. Boulger (G. S.) on the evolution of sex in the vegetable kingdom, 142. *Bowden (A.) on a new route to the source of the Niger, 181. *Brake-problem, J. Steel on the, 233. *British Guiana, W. Harper on the natives of, 165. Brooke (H. G.) and E. O. Hopwood on the changes of the circulation which are induced when the blood is expelled from the limbs by Esmarch's method, 147. *Brown (A. B.) on a flanging-iron and steel plates for boiler purposes, 219; on an engine for starting and reversing large marine engines, 219. (Colin), true intonation, illu3trated by the voice-harmonium with natural finger-board, 46. (Prof. Crum) on the action of pentachloride of phosphorus on turpentine, 62. (J. T.) on anthracene-testing, 62. Bryce (Dr. J.) on the granite of StrathErrick, Lough Ness, 87. *Buchanan (J. Y.) on some instruments used in the 'Challenger,' 63; on the specific gravity of the surface-water of the ocean as observed during the cruise of H.M.S. Challenger,' 181; *on a new deep-sea thermometer, 181. Buckland (A. W.) on primitive agriculture, 164. Burt (Rev. J. S.) on the economy of penalties, 195. Capital, Hyde Clarke on the part in the operation of, due to fixed or limited amounts invested in trade, 198. *Carbonic acid, liquid, in minerals, W. N. Hartley on the critical point of, 64. Carboniferous system of the British Isles, Prof. E. Hull on the upper limit of the essentially marine beds of the, and the necessity of the establishment of a middle Carboniferous group, 90. *Carmichael (Dr. N.) on spontaneous evolution and the germ theory, 146. *Carpenter (P. H.), remarks on the anatomy of the arms of the Crinoids, 146. (Dr. W. B.) on the Arenaceous Foraminifera collected in the Valorous' expedition, 146; *further researches on the nervous system of Antedon rosaceus (Comatula rosacea, Lamk.), 146; on the morphology and histology of the nervous system of Antedon rosaceus (Comatula rosacea, Lamk.), 148. Carron valley, county of Linlithgow, D. Milne-Holme on high-level terraces in, 94. *Cassells (Dr.) on a hypothesis of the perception of articulate speech, 148. Cast iron, W. J. Millar on the strength and fracture of, 227. *Cement, G. F. Deacon on the form of blocks for testing, 220. Central nucleus of a plane section, Prof. G. Jung on a new construction for the, 25. *Centroids and their application to some mechanical problems, Prof. A. B. W. Kennedy on, 26. Cerruti (G. E.) on his recent explorations in N.W. New Guinea, 182. (V.) sur les mouvements apériodiques des systèmes de points matériels, 12. Cetacea, Dr. D. J. Cunningham on the spinal nervous system of the, 149. *Ceylon, B. F. Hartshorne Rediyas of, 165. on the Challenger,' some instruments used in the, J. Y. Buchanan on, 63. Changes affecting the southern extension of the lowest Carboniferous rocks, G. A. Lebour on the, 93. Chemical Section, W. H. Perkin's Address to the, 55. Cheques, &c., F. Ward on the prevention of fraudulent alterations in, 70. *Chinoline, the transformation of, into aniline, Prof. Dewar on, 63. Chippendall (Lieut. W. H.), observations on the White Nile between Gondokoro and Appuddo, 182. *Choreocholax polysiphonice, Reinsch, Prof. M'Nab on, 144. Chromium, J. Priestley on the physiological action of, 156. Circulation, H. G. Brooke and E. O. Hopwood on the changes in the, which are induced when the blood is expelled from the limbs by Esmarch's method, 147. Clarke (Hyde) on the prehistoric names for man, monkey, lizard, &c., 165; on Hittite, Khita, Hamath, Canaanite, Lydian, Etruscan, Peruvian, Mexican,&c., 165; on the part in the operation of capital due to fixed or limited amounts invested in trade, 198. Cleland (Prof.) on the morphological relations of the lower end of the humerus, 148; *on a hydrocephalic skull, and on the duplicity of the temporal ridge, 149; on a Sooloo skull, 165. Closed curves, general theorems relating to, by Prof. P. G. Tait, 29. Clyde, Col. Hope on the purification of the, 64. Coal, Prof. E. Hull on a deep boring for, at Scarle, near Lincoln, 91. --, Prof. J. Thomson on ridgy structure in, with suggestions for accounting for its origin, 96. gas, the proximate analysis of, W. Dittmar on, 63. measures, recent researches into the organization of some of the plants of the, by Prof. W. C. Williamson, 98. *Cohn (Prof.), experiments on the formation and growth of artificial silica cells, 146. Coleman (J. J.) on a gas-condensing machine for the liquefaction of gases by combined cold and pressure, recently employed in the manufacture of volatile liquid hydrocarbons, 63; *experimental researches on the chemical treatment of town excretion, 63; on a machine for the liquefaction of gases by combined cold and pressure, 220. *Communications between passengers and guards in railway trains, 233. Compass, an unmistakable true north, G. J. Symons on, 49. correction in iron ships, Sir W. Thomson on, 45. *Concrete, G. F. Deacon on the strength of, as affected by delay between mixing and placing in situ, 220. *Conductivity of heat, determination of the, by water, by J. T. Bottomley, 36. *Contact electricity, Sir W. Thomson on, 45. Convergents, T. Muir on, 27. Copper extraction by the wet way, the history of, by W. Henderson, 64. -zinc couple, Prof. Gladstone on the influence of the condition and quantity of the negative element on the action of the, 64. Coral Sea, explorations in the islands of the, by K. Nichols, 167, 183. Cotarnine derivatives, new, Dr. C. R. A. Wright on, 70. Cremona (Prof. L.) sur les systèmes de sphères et les systèmes de droites, 12. *Crinoids, remarks on the anatomy of the arms of, by P. II. Carpenter, 146. *Croll (J.) on the transformation of gravity, 30; on the tidal-retardation argument for the age of the earth, 88. Crookes (W.) on the influence of the residual gas on the movement of the radiometer, 30. Crum-Ewing (A.) on drainage outlets through slob lands, 220. *Cunningham (Dr. D. J.) on Delphinus albirostris, 146; on the spinal nervous system of the Cetacea, 149. *D'Almeida (W. B.) on Perak and Salangore, 182. Darwin (G. H.) on graphical interpolation and integration, 13. *Darwinism, Rev. F. O. Morris on a double dilemma in, 147. Day (St. J. V.) on recent attempts at patent legislation, 198. *Deacon (G. F.) on the form of blocks for testing cement, 220; *on the strength of cement as affected by delay between mixing and placing in situ, 220. Deas (J.), description of Stobeross Docks, 220. *Deep-sea soundings, navigational, in a ship moving at high speed, Sir W. Thomson on, 54. Delphinus albirostris, Dr. D. J. Cunningham on, 146. De Rance (C. E.) on the variation in thickness of the middle coal-measures of the Wigan coal-field, 89. Determinants, J. W. L. Glaisher on certain, 13. *Determination of the conductivity of heat by water, by J. T. Bottomley, 36. *Dewar (Prof. J.) on a new form of electrometer, 42; *on the transformation of chinoline into aniline, 63; *recent additional observations on the physiological action of sight, 151. Dickson (Prof. A.) on two monstrosities of Matricaria inodora, 143; on laticiferous canals in fruit of Limnocharis Plumieri, 144. *Diet, the racial, in India, SurgeonMajor Johnston on the dynamics of, 154. *Diffusion of liquids, secular illustration of the laws of the, 35. *Dionea muscipula (fly-trap), new researches on the electrical phenomena consequent on irritation of the leaves of the, by Prof. Burdon Sanderson, 163. *Dittmar (W.) on the proximate analysis of coal-gas: remarks on Re boul's paper on pyro-tartaric acid, 63. Division-remainders in arithmetic, by W. II. Walenn on, 30. *Dixon (E. M.) on an apparatus for the analysis of impurities in the atmosphere, 63. Dobson (T.) on improved safety-apparatus for mine-hoists and warehouselifts, 222. Dock- and quay-walls, foundations, &c., T. S. Hunter on, 225. Drainage outlets through slob lands, A. Crum-Ewing on, 220. Drifts and boulders of the upper part of the valley of the Wharfe, Rev. E. Sewell on the, 95. *Dunnachie (J.) on fire-brick, 63. 42. *Electricity, contact, Sir W. Thomson on, 45. *Electrometer, Prof. J. Dewar on a new form of, 42. Engine for starting and reversing large marine engines, A. B. Brown on an, 219. Equatorial Africa, Commander Cameron on his journey through, 181. Evans (Captain F. J.), Address by, to the Geographical Section, 169. (M.) on the application of spring fenders to pierheads, 223; "on a safetylock for facing-points, 223. Evaporating-pan, a safe and rapid, F. H. T. Allen on, 61. Evolution of sex in the vegetable kingdom, G. S. Boulger on the, 142. *Expansion of solids by heat, two new forms of apparatus for the experimental illustration of the, by Prof. Barrett, 48. *Excretion, town, experimental researches on the chemical treatment of, by J. J. Coleman, 63. Facing-points, M. Evans on a safetylock for, 223. Fell (J. B.) on the experiments made at the camp at Aldershot with a new form of military field-railway, for rapid construction in war-time, 223. *Fergusson (A.) on white-lead, 63. Filtering-sand, J. Lang on an apparatus for cleaning, 232. *Finland, Rev. J. Pattison on a journey across, from Ellenborg to Archangel, via Kemi, 183. *Fire-brick, J. Dunnachie on, 63. First elliptic integral, Prof. F. W. Newman on the use of Legendre's scale for calculating the, 28. Flanging-iron and steel plates for boiler purposes, A. B. Brown on a, 219. *Fleming (S.) on the conventional division of Time now in use, and its disadvantages in connexion with steam communications in different parts of the world; with remarks on the desirability of adopting common time over the globe for railways and steam-ships, 182. Flesh diet in tropical climates, C. O. Groom Napier on the unwholesomeness of, 153. Fluids, Prof. F. Guthrie and Dr. F. Guthrie on the passage of, through capillary and other tubes, 31. Fly-trap (Dionea muscipula), new researches on the electrical phenomena consequent on irritation of the leaves of the, by Prof. Burdon Sanderson, 136. Forbes (Prof.) on the site of the grave of Genghiz Khan, 182. (Dr. L.) on the Samoan Archipelago, 183. Foula, G. A. Gibson on the physical geology and geological structure of, 90. *Fraction expansions for series, T. Muir on the relation between two continued, 28. Fritsch (Dr. A.) on Labyrinthodont re mains from the Upper Carboniferous (gas-coal) of Bohemia, 89. *Froude (W.), mechanical theory of the soaring of birds, 31. Garnets, doubly-refracting, Dr. von Lasaulx on, 92. Gas-condensing machine for the liquefaction of gases by combined cold and pressure, J. S. Coleman on a, 63, 220. *Gasholder, a form of, giving a uniform flow of gas, Prof. Barrett on, 48. *Genghiz Khan, the site of the grave of, Prof. Forbes on, 182. General theorems relating to closed curves, by Prof. P. G. Tait, 29. Genesis, the possible, of the chemical elements out of a homogeneous cosmic gas or common vapour of matter, Dr. Macvicar on, 65. Geographical Section, Capt. F. J. Evan's Address to the, 169. Geological Section, Prof. J. Young's Address to the, 72. Geology, the physical and geological structure of Foula, G. A. Gibson, on, 90. *Germ theory, spontaneous evolution and the, by Dr. N. Carmichael, 146. Gibson (G. A.) on the physical geology and geological structure of Foula, 98. *Gilchrist (Dr.) on the red soil of India, 90. *Gimingham (C. II.) on a modification of the Sprengel pump, and a new form of vacuum-tap, 49. *Gladstone (Prof.) on the influence of the condition and quantity of the negative element on the action of the copper-zinc couple, 64. Glaisher (J. W. L.) on certain determinants, 13; on a series summation leading to an expression for the theta function as a definite integral, 15. *Glen Roy, the parallel roads of, J. Macfadzean on, 93. D. Milne Home on, 93. *Glucinum, its atomic weight and specific heat, Dr. J. E. Reynolds on, 68. Gold standard, the British, Dr. W. N. Hancock on the importance of extending, to India, 198. for India, the depreciation of silver and a, S. Mason on, 207. *Grain-sieve, J. II. Greenhill on an improved, 225. Granite and Old Red Sandstone, E. A. Wünsch on the junction of, at Glen Sannox, Arran, 98. of Strath-Errick, Lough Ness, Dr. J. Bryce on the, 87; on the earthquake districts of Scotland, 88. *Gravity, J. Croll on the transformation of, 30. Greenhill (J. H.) on an improved grain-sieve, 225. Grubb (H.) on the testings of large objectives, 36; on recent improvements in equatorial telescopes, 37; on a method of photographing the defects in optical glass arising from want of homogeneity, 37. Gulf of Cutch, tidal operations in the, Capt. A. W. Baird on, 52. "Guthrie (Dr. F.) and Prof. F. Guthrie on the passage of fluids through capillary and other tubes, 31. · (Prof. F.) on solid water, 64. Haeckel (E.) über die Physemarien (Haliphysema und Gastrophysema), 153. Hancock (Dr. W. A.) on Savings' Banks as a State function developed by charity organization, 199; on the importance of extending the British gold standard, with subordinate silver coins, to India as a remedy for the inconvenience in India of a rapid depreciation of silver, 198. *Harkness (Prof.) and Prof. A. H. Nicholson on the strata and fossils between the Borrowdaile series of the Coniston flags of the north of England, 90. *Harper (R. R.) on improvements in railway appliances, 225. (W.) on the natives of British Guiana, 165. *Harrison (J. Park) on the Eastern picture-writing, 165 *Hartley (W. N.) on the critical point of liquid carbonic acid in minerals, 64. *Hartshorne (B. F.) on the Rodiyas of Ceylon, 165. Hay (Capt. J. S.) and Commander Cameron on horned men of Akkem, in Africa, 165. Hayden (W.) on parallel motion, 16. Heart, Dr. Paton on the action and sounds of the, 155. Henderson (W.), the history of copper extraction by the wet way, 64. Hennessy (Prof.) on the decrease of temperature with height on the |