INDEX. 



545 



Fitton (Dr.) on the Portland and Pur- 

 beck strata, 323. 



Flame from coal-gas, phenomena of,404. 



Floating bodies, on the motion of, 302. 



Fluids, on the resistance of, 302 ; elastic, 

 specific heat of, 385. 



Forbes (Prof.) on the polarization of 

 heat, 349. 



Fossils : — scales, analysis of, 396 ; wood, 

 veins of crystallized carbonate of lime 

 in, 76 ; Polyparia, 483 ; fishes, 485 ; 

 trees, 487 ; plants, 487 ; Crustacea 

 and Radiata, 517. 



Fox (R. W.) on the absence of magnet- 

 ism in cast iron in fusion, 388 ; on the 

 laws of magnetic attraction, 439. 



Freyer (Lieut.) on the elevation of land 

 on the coast of South America, 318. 



Gadolinite, analysis of, 430. 



Gases, from the springs near Vesuvius, 

 316. 



Gay-Lussac (M.) on the assay of silver, 

 425. 



Geoghegan (Prof.) on the presence of 

 muriatic acid in hydrocyanic acid,400. 



Geological Society, 52, 212, 316, 412, 

 513. 



Geology — on the gold-workings for- 

 merly conducted in the county of 

 Wicklow, 1 ; advance of land in the 

 Persian Gulf, 40, 192, 250; Silurian 

 system of rocks, 46, 483 ; proceeds of 

 the Wollaston fund presented to Mr. 

 Mantell, 52; Mr. Greenough's ad- 

 dress to the Geological Society, 54, 

 142, 212 ; veins of crystallized car- 

 bonate of lime in fossil wood, 76 ; 

 crag-formation and its organic re- 

 mains, 81, 353, 463, 464 ; geology of 

 Norfolk, 171, 274,353, 370; disco- 

 veries in the volcanic strata, 316 ; on 

 the elevation of land in South Ame- 

 rica, 318 ; marine shells at Elie, Fife- 

 shire, 31 8; diluvium of Finchley, 319; 

 structure of rocks, 320, 376, 445 ; on 

 the Portland and Purbeck strata, 323 ; 

 ichthyolites of Gamrie, 325 ; marine 

 shells in Cheshire, 326 ; newly disco- 

 vered gigantic reptile, 327 ; coralline 

 crag of Ramsholt and Orford, 463 ; 

 cretaceous and tertiary strata of the 

 island of Seeland and Mben, 412; 

 peculiarity of structure in the neck of 

 ichthyosauri, 414 ; geology of North 

 Salop and Staffordshire, 415; geolo- 

 gical map of Ireland, 480 ; on the 

 granite of Cavan, 482 ; on the Silu- 

 rian and Cambrian systems, 483 ; geo- 

 logy of Spain, 485; newly discovered 

 tertiary deposit, 486; fossils, 483, 485, 



Third Series. Vol. 7. No. 43. Supple me nt, 1835. 



486, 487 ; application of physical sci- 

 ence to geological researches, 489; 

 trappean rocks with new red sand- 

 stone, 513; marine shells found near 

 Shrewsbury, 516; fossil Crustacea 

 and Radiata, 517 ; discovery of ich- 

 thyolites, 517; bones of birds found 

 in Tilgate Forest, 518; analysis of a 

 mineral spring near Oxford, 518; 

 BoufrsGuide duGeologique Voyageur, 

 541. 



Glen Roy, on the parallel roads of, 433. 



Gold-workings of Wicklow, Ireland, 1. 



Graham (Prof.) on certain compounds 

 with water, 400. 



Gray (J. E.) on the difficulty of distin- 

 guishing certain genera of shells, 210 ; 

 on a new species of toad, and on the 

 genus Echinus, 328 ; on a species of 

 coral, 419. 



Greenough (G. B.), address to the Geo- 

 logical Society, 54, 142. 



Halley's comet, 139, 236, 423. 



Hamilton (C. W.) on a yew found in a 

 bog, 499. 



Hamilton (W. J.) on a geological for- 

 mation at Elie, 318. 



Harcourt (Rev. W. V.) on observations 

 upon the dew-point, 409. 



Harris (W. S.) on an electrical balance, 

 303 ; electrical attraction, 304. 



Harrison (Prof.> on the entozoa found 

 in the muscles of the human subject, 

 506 ; on bones in the hearts of cer- 

 tain animals, 506. 



Heart, on the tricuspid valve of the, 207 ; 

 influence of the respiratory organs on 

 the, 212. 



Heat, radiant, 296, 297 ; polarization of, 

 349 ; volatilization of magnesia by, 

 406 ; heat and light, the results of 

 vibratory motion, 342. 



Heights, on the measurement of, 311. 



Heineken (N. S.) on the radii of curva- 

 ture of convex lenses, 234. 



Hodgkin (Dr.) on the languages spoken 

 by uncivilized nations, 27, 94. 



Houston (Dr.) on the circulating organs 

 in diving animals, 502 ; on a variety 

 of hydatid, 504. 

 "Hudson (Dr. H.) on the dew-point, 256; 

 on the radiation of heat, 297. 



Hussey (Rev. Dr.), catalogue of comets, 

 36. 



Hydatid, on a variety of, 504. 



Hydrate of oil of turpentine, 537. 



Hygrometer, method of inferring the 

 dew-point by the, 256, 266, 313, 470. 



Hymenopterous insects, 228. 



Hyrax Capensis, 222. 



3Y 



