628 
INDEX. 
HEEE. 
Heer, Professor, on fossil plants of Switz¬ 
erland, 215, 219, 221, 224, 236. 
-, on Lower Miocene plants of Mull, 
248. 
-, on Monte Bolca Eocene plants, 263, 
543. 
-, on Proteas of Lower Miocene, 23T. 
-, on plants of Hempstead beds, 246. 
-, on plants of coal-field, Virginia, 383. 
-, on Swiss Miocene insects, 223. 
-, on supposed Proteacete of (Eningen 
beds, 221. 
-, on Superga fossil plants, 244. 
Heidelberg, varieties of granite near, 560. 
HelioUtesporosa, Devonian, 451. 
Hdix hispida {p)leheia)^ 155. 
- lahyrinthica, Headon, 255. 
- occlusa, Bembridge, 253. 
- Turonensis, faluns, 56. 
Hemicidaris Purheckensis, Purbeck, 324. 
Hemip7ieustes radiatus, Chalk, 284. 
Hemitelites Brownii, Inf. Oolite, 350. 
Hempstead beds, subdivisions of the, 244. 
Henry, on absorption of carbonic acid gas 
in water, 585. 
Henslow, Professor, on dike in Anglesea, 
515. 
-, on Red Crag coprolite bed, 197. 
Herschel, Sir J., on slaty cleavage, 590. 
Hertfordshire pudding-stone, 62. 
Heterocercal tail of fish, 389. 
Hicks, Dr., on fossils of Arenig beds, 476. 
-, on fossils of Harlech grits, 486. 
-, on Menevian beds, 485, 
Himalaya, shells 18,000 feet high in, 29. 
-, Upper Miocene of, 226. ^ 
Hippopodium poiiderosum, Lias, 355. 
Hippopotamus, tooth of, 164. 
Hippurite Limestone, 304. 
Hippurites organisans. Chalk, 306. 
Histioderma hihernica, 486. 
Hitchcock, Professor, on Trias foot-prints, 
381. 
Holoptychius nobilissimus, scale of, and res- 
storation, 442. 
Homalonotus Delphinocephalus, 467. 
- armatus, Devonian, 454. 
Homfray, Mr., on fossils of Tremadoc 
beds, 483. 
Homocercal tail of fish, 389. 
Hooghly River, analysis of water, 69. 
Hooker, Dr., on coniferge, 429, 430, 
-, on structure of sigillaria, 426. 
-, on sporangia of Silurian plant,' 460. 
Horizontality of strata, 40. 
Horizontal strata, upheaval of, 71. 
Hornblende, 499,502. 
Hornblende-schist, 578. 
Hornes, Dr., on fossil mollusca of Vienna 
basin, 225. 
Horstead, pot-stones at, 291. 
Hour-glass illustrating the destruction 
and renovation of land, 119. 
Howse, Mr., on Protorosaurus in Permian, 
390. 
Hubbard, Professor, on granite of White 
Mountains, 565. 
Hudson River Group, fossils of the, 479. 
Hughes, Mr. T. McKenny, cited, 450. 
-, on slaty cleavage, 589. 
-, on protrusion of solid granite, 575. 
Hull, Mr. E., on breccias in Permian, 391. 
INSEOT. 
Hull, Mr. E., on carboniferous of Lanca¬ 
shire, 395. 
-, on carboniferous rocks of north of 
England, 111. 
-, on faults in Lancashire coal-field, 91. 
-, on anticlinals and synclinals, Lanca¬ 
shire, 85. 
-, on thickness of the Upper Trias, 369. 
-, on thickness of Permian, 386. 
-, on three lines of fiexure since the 
coal in Lancashire, 94. 
Human remains of Recent Period, 157. 
-in cavern deposits, 156. 
Humboldt, on mineral character of rocks, 
602. 
Humphrey and Abbot on Mississippi de¬ 
nudation, 114. 
Hungary, trachyte of, 558. 
Hunt Sterry, on action of water in meta¬ 
morphism, 585. 
Huronian series, thickness of the, 490. 
Huxley, Prof., on Atlantic chalk-mud, 287. 
-, on affinity between reptiles and birds, 
338. 
-, on batrachians of the coal, 407. 
-, on fish of Old Red Sandstone, 443- 
445. 
-, on Pteraspis, 463. 
Hyaena den of Kirkdale cave, 157. 
Hyceiia spelcea, tooth of, 165. 
Hybodus plicatilis, Rhaetic beds, 367. 
- reticulatus. Lias, 359. 
Hydrothermal action producing metamor¬ 
phism, 584. 
-in formation of granite, 555. 
-forming granite veins, 573. 
Hymenocaris vermicauda, 484. 
Hyperodapedon Gordo^ii, Trias, 370. 
Hypersthene, 499, 502. 
-rock, 505. 
-rocks of Skye, 491. 
Hypogene rocks, uniformity of mineral 
character in, 602. 
-rocks, term defined, 26. 
Hypsiprymnus Gaimardi, molar of recent, 
327. 
Hythe, Neocomian beds of, 308. 
ICE, erosion of lake-basins considered, 
184,188. 
-, abrading power of, 168. 
-, continental, of Greenland, 170. 
Icebergs, drift carried by, 172. 
-stranded in Baffin’s Bay, 173. 
Ice-borne erratics at Chichester, 181. 
Iceland, glass cavities in quartz of, 555. 
-, fiow of lava in, 523. 
^ichthyosaurus communis. Lias, 361. 
Idocrase, 500. 
Ichthyodorulite of the Lias, 359. 
Iguanodon Mantelli, Weald Clay, 315. 
Ilfracombe Group of Devon, 449. 
Inclined strata, 73. 
India, Miocene formations of, 226. 
India, Upper Miocene of, 226. 
Inferior Oolite, thickness and fossils of, 
349. 
Infusoria in tripoli, 51. 
Inland sea-clitfs, 103. 
Inoceramus Lamarckii, White Chalk, 295. 
Insect in American coal, 416. 
-beds of the Lias, 363. 
