604 



INDEX. 



Exley (T.) on a new theory of physics, 5 19. 



Faraday (Prof.) on some supposed forms 

 of lightning, 104. 



Fehling (M.) on succino-sulphuric acid, 

 447. 



Fernel's measure of a degree, on the hi- 

 story of, 445. 



Ferrall (J. M.) on the anatomy and physi- 

 ology of certain structures in the orbit, 

 163. 



Ferrocyanides, on the, 513. 



Finland, on furrowed rocks in, 524. 



Fishes, triassic, on the occurrence of, in 

 British strata, 522. 



Fontainbleau, polished rocks of, 409. 



Forbes (Prof.), researches on heat ; fourth 

 series, 69, 109. 



Fossils : — freshwater, fishes of Mundes- 

 ley, 320 ; section and list of, from the 

 state of New York, 530. 



Francis and Croft's notices of the inves- 

 tigations of continental chemists, 41, 

 184, 278,447. 



Franz(Dr.) on a case of restored vision, 156. 



Fremy (M.) on the composition of the 

 brain of man, 411 ; on the action of 

 peroxide of iron on potash, 412. 



Fresnel's wave, mode of deducing the 

 equation of, 381. 



Fritzsche (M.) on the action of potassa 

 on indigo-blue, 191. 



Galloway (Mr.) on the present state of our 

 knowledge relative to shooting stars, 

 547. 



Ganglia, nervous, of the uterus, 487. 



Gas, preparation of azotic, 252. 



Gassiot (J. P.) on certain phaenomena con- 

 nected with the spark from a secondary 

 coil, 328. 



Gelatin, sugar of, composition of, 253. 



Geological Society, proceedings of the, 

 168, 315, 394, 489,522. 



Geology : — on the fossil remains of turtles 

 in the chalk formation, 157 ; on the re- 

 lative connection of the eastern and 

 western chalk denudations, 168 ; on 

 the illustration of geological phaeno- 

 mena by means of models, 170 ; on the 

 geology of the island of Madeira, 170 ; 

 on the geology of Aden, 174 ; on a re- 

 markable bar of sandstone off Pernam- 

 buco, 257 ; on the teeth of the Laby- 

 rinthodon from the German keuper and 

 sandstone of Warwick and Leamington, 

 315, 394 ; on the elevation of the land 

 on the shores of Waterford Haven, dur- 

 ing the human period, 318; on the 

 freshwater fossil fishes of Mundesley, 

 320 ; on the geological structure of the 

 wealden district, and of the Bas Bou- 

 lonnais, 321 ; on the polished rocks of 

 Fontainbleau, 409 ; on the geological 



structure of parts of Russia, 417, 489 ; 

 on the question, Whether there are any 

 evidences of the former existence of 

 glaciers in North Wales, 469 ; on the 

 electric condition of the rocks and me- 

 talliferous veins of mines in Cornwall, 

 483 ; on the occurrence of triassic fishes 

 in British strata, 522 ; on furrowed 

 rocks in Finland, 524 ; on the gravel 

 deposits in the neighbourhood of Bas- 

 ford, 525 ; account of a boring in search 

 of water at Longfleet, near Poole, 526 ; 

 on the boulder deposits near Glasgow, 

 528: on fossils from the state of New 

 York, 530 ; on the geological phaeno- 

 mena in the vicinity of Cape Town, 

 531 ; on the distribution of erratic 

 boulders, and on the contemporaneous 

 unstratified deposits of South America, 

 536 ; on the agency of land-snails in 

 corroding and making deep excavations 

 in compact limestone rocks, 541 j on 

 moss agates and other siliceous bodies, 

 542. 



Gerhardt (M.) on the aethereal oils, 189. 



Gillies (J. Melville) on transits and oc- 

 cultations observed at Washington, 326. 



Glaciers, if any evidence of the existence 

 of, in North Wales, 469. 



Glasgow, on the boulder deposits near, 

 528. 



Glashier (Mr.) on the correction of the 

 elements of the orbit of Venus, 575. 



Glover (Dr. R. M.) on obtaining the hy- 

 drobromic and hydriodic acids, 92. 



Greenwich, on a remarkable magnetic 

 disturbance observed at, 505. 



Gregory (Dr.) on a cheap and simple 

 method of preparing hydrochloric acid 

 absolutely pure, 328. 



Grove (Prof.) on the electricity of efflu- 

 ent steam, 88. 



Grove (W. R.) on some electro-nitro- 

 gurets, 97 ; on a voltaic process for 

 etching Daguerreotype plates, 247. 



Grove's battery, experiments with a, 246. 



Guaiaic acid, preparation of, 413. 



Guano, composition of, 49. 



Gymnotus, electrical effects of the, 404. 



Hagen (Dr.) on malic acid, and the 

 changes undergone by its salts at high 

 temperatures, 306. 



Halliwell (J. 0.)on a MS. referred to by 

 Mr. Rutherford, 600. 



Hamilton (Sir W. R.) on the focal lengths 

 and aberrations of a thin lens of uni- 

 axal crystal, bounded by surfaces which 

 are of revolution about its axis, 289 ; 

 on a mode of deducing the equation of 

 Fresnel's wave, 381. 



Hare (C.) on perchloric aither, 370. 



Hare (Dr.) on the theory of storms, 423. 



