INDEX. 



511 



Hall, Capt. Basil, notice of a machine for regula- 

 ting high temperatures, invented by the late 

 Sir James Hall, Bart., 489. 



Hallein salt deposit, not of the same age as the 

 salt deposit of England, 310. 



Halstadt, salt deposit not of the age of the salt 

 deposit of England, 314. 



Hand Reutti, formations constituting the hill of, 

 328. 



Haring, lignite basin of, described, 368. 



. accumulated probably in 



an estuary, 370. 



detailed sectionof the, 371. 



fossil plants of, 373. 



shells of, 374. 



varieties of coal, 374. 



marine shells associated 



with land and fluviatile shells and fossil vege- 

 tables in the, occur, 369. 



rest unconformably on the 



secondary strata, 375. 



separated from the se- 

 condary system by a conglomerate of Alpine 

 limestone, 375. 



thickness of the strata com- 



prising the, 370. 

 Harlech, notice of slate quarry near, 475. 

 Hartberg, fossils found in the, 420. 



section of tertiary beds near, 394. * 



Hartz, position of the sparry iron ore of the, 306 



note. 

 Haselstauden, formations in the neighbourhood 



of, described, 326. 

 Haslach, list of organic remains found near, 340. 

 notice of the formations in the nei<ih- 



bourhood of, 325 and note. 

 Hastings deposits, Mr. Mantell's arrangement of, 



into upper, middle and lower, divisions, 212. 

 Hathee, notice of the geology in the neighbour- 

 hood of, 193. 

 Henner Kogel, structure of the, described, S53. 

 Herschel, J. F. W. Esq., analysis of the fossil 



fishes of Caithness, 141. 

 ■ on the astronomical 



causes which may influence geological phse- 



nomena, 293. 



Herschel, J, F. W., Esq., remarks on Mr. Lyell's 



conclusions on the actual excess of the sun's 



presence in the Northern hemisphere over that 



in the Southern, 298 tiotc. 

 Hertfordshire puddingstone, observations on the 



fracture and prismatic structure of, 463. 

 Hetton-le-Hole, notice of the coal-shaft near, 60, 

 quantity of coal raised daily from 



it in 1826, 61. 

 Hetton pit, near Houghton-le-Spring, section of, 



112. 

 High-field coal-pit, section of the strata passed 



through, 58 note. 

 Highlands, interior portions principally composed 



of primary slates succeeded by red sandstone 



and conglomerate, 125. 

 Hindoo Koosh, notice on the geology of the, 



493. 

 Hinter Rentier, Nucula concinna, found at, 418. 

 Hi-ppurite rock of the Alps, probably of the same 



age as the highest oolitic groups of England, 409. 

 surmounts the Salzburg marble 



in the Untersberg, 317. 

 forms the upper boundary of the 



Alpine limestone, 409. 

 Hippurites, extraordinary congeries of, at the 



Untersberg, 346. 

 Hiraporc, compact quartz rock found in the neigh- 

 bourhood of, 196. 

 Hirtemberg, observations on fossils from, 403no<e. 

 Hoar Edge, notice of the basalt of the, 487. 

 Holme, Rev. J., analysis of magnesian limestone, 



84 note, 85 note, 87 note. 

 Hopkins, William Esq., notice of his explanation 



of cross courses on mathematical principles, 



485. 

 Horn, section of the Gosau beds on the N. W. side 



of the, 356. 



structure of the, described, 35^. 



Horton, description of strata in the stream to the 



west of, 1 4. 

 Houghton-le-Spring, sections of coal-pits near, 



112. 

 Howburn Head, N.N.W. of Thurso, composition 



of, 133. 

 Huddlestone, notice of the dolomites of, 85. 

 3 u 2 



