INDEX II. 



241 



Arrow-beads, W. J. Kuowles ou the 



classificatiou of, 166. 

 •Artluirian apple and the serpent of the 



ancients, J. 8. PhentS on the, 1G9. 

 •Aiticiilate speech, a hypothesis of the 



perception of, Dr. Cassells on, 148. 

 Astronomical clock, a new fonn of, with 



free pendulum and independently 



governed uniform motion for escape- 

 ment-wheel. Sir W. Thomson on, 49. 

 Atlantic Ocean, the temperature obtained 



in the, during the cruise of H.M.S. 



' Challenger,' Staff-Commander Ti- 



zaid on, 18o. 

 'Atmosphere, an apparatus for the 



analysis of impiu-ities in the, E. M. 



Dixon on, 6.3. 

 •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. 



*13agshot 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.) ou the development of the 

 proto-vertebr£B in Elasmobranchs, 147. 



(J. B.) ou the Pandanete of the 



Masearene and Seychelles Islands, 142. 



"Banks (.1.) on sewage piu-itication 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 demonstra- 

 tion in the Royal College of Science 

 for Ireland, 48 ; *two new forms of 

 apparatus for the experimental illus- 

 tratiou of the expansion of solids by 

 heat, 48 ; *on some phenomena asso- 

 ciated with abnormal conditions of 

 mind, 164. 



•Basic salts, G. J. Stoney on the consti- 

 tution of, 69. 



•Bathometer, description of the, by Dr. 

 C. W. Siemens, 31. 



•Beaumont (Major)on the Siib-Wealden 

 exploration, 87 ; *on the removal of 

 subaqueous rocks by the diamond 

 rock-borer, 219. 



•Bergeron (M.) on the removal of sand- 

 bars from harbour mouths, 219. 



•Beynon (J. B.) on a hand-machine for 

 shaping and finishing metal surfaces, 

 219. 



•Biggs (H. W.) on a new voltaic bat- 

 tery, 62. 



Biological results of a cruise in H.M.S. 



' Valorous ' to Davis Strait in 1875, 

 J. Gwyn Jeffreys on the, 147. 



Biological Section, A. R. Wallace's Ad- 

 dress to the, 100. 



Bismuth, certain compounds of, M. M. 

 P. Midr on, 66. 



Boarding-out of pauper children in Eng- 

 land, W. Tullack on the, 209. 



Boiler incrustation and corrosion, F. J. 

 Rowan on, 229. 



•BoiTowdaile series of the Coniston flags 

 of the north of England, Profs. Hark- 

 ness and H. A. Nicholson on the 

 strata and fossils between the, 90. 



Bosanquet (R. H. M.)on the conditions 

 of the transformation of pendulum- 

 vibrations, with an experimental illus- 

 tration, 45. 



•Bosjes skulls, Dr. Knox on, 166. 



Botany and Zoologj', 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, 2.33. 



•British Guiana, W. Harper on the 

 natives of, 165. 



Brooke (H. G.) and E. O. Hopwood on 

 the changes of the circidation which 

 are induced when the blood is ex- 

 pelled from the limbs by Esmai'ch's 

 method, 147. 



•Brown (A. B.) on a flanging-ii'on and 

 steel plates for boiler purposes, 219 ; 

 on an engine for starting and rever- 

 sing large marine engines, 219. 



(Colin), true intonation, illus- 

 trated by the voice-harmonium with 

 natural finger-board, 46. 



(Prof. Crum) on the action of 



peutachloiide of phosphorus on tur- 

 pentine, 62. 



(J. T.) on anthracene-testing, 62. 



Bryce (Dr. J.) on the granite of Strath- 

 Errick, 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 piimitive agricul- 

 ture, 164. 



Burt (Rev. J. S.) on the economy of 

 penalties, 195. 



