INDEX. 
Hawaiian Islands, Hawaii, Hualalai, 215. 
kinds of craters on, 223. 
Kapoho Point craters, 213. 
floods of rivers, 389. 
Maui, 226. 
Kahoolawe, Lanai and Molokai, 
231. 
Oahu, 233. 
Kauai, 262. 
Heat from dike, effect of, on coal formation, 
in Nobby, 511. 
change of colour in rocks, from, 504. 
columnar structure, produced by, 240, 
552, 
Height of Mount Loa, 156, 
of Kilauea, or Lua Pele, 166. 
of Mount Kea, 156, 157. 
of Mount Hualalai, 156. 
of Haleakala, 156, 227. 
of Heka, 156, 227. 
of summits of Oahu, 234. 
of Madeira, 550. 
of Australian mountains, 450. 
of Oregon mountains, 612, 615. 
of San Lorenzo, 593. 
Helicerus fuegiensis, 720. 
Henderson’s Island (or Elizabeth), 68, 
402. 
Henuake, or Honden, 52, 62, 70, 402. 
Hervey Islands, reefs of, 138. 
elevations among, 404, 
remarks on Rarotonga, 364, 405. 
Homomya audax, 687. 
curvata, 688. 
Honden, Henuake or Dog Island, 52, 62, 
70, 402. 
Hopkins, W., on fissures, 426. 
thickness of the earth’s crust, 427. 
Hornblendic rocks of Chili, 562. 
Hornblende of Oregon and Northern Cali- 
fornia, 631. 
in trachyte, at the Sacramento Bute, 
651. 
Horne Island, 407. 
Hot springs of Bafios, on Luzon, 543. 
of Feejees, 343. 
of New Zealand, 445, 447. 
743 
Hot springs, probable existence of, for- 
merly, in Oahu, 260. 
Huahine, 285, 303. 
Hualalai, observations on, 215, 371. 
height of, 156, 
Hull’s Island, 407. 
Humboldt, character of Cotopaxi, 356. 
relation of periods of quiescence in 
volcanoes, to their size, 367. 
Hypersthene rock, in Northern California, 
631. 
Igneous, see Volcanic. 
Illawarra, rocks of Wollongong, 485. 
basaltic scenery of, 496. 
evidences of change of level in, 534. 
Illawarra Mountain, 451. 
Islands, Pacific, number of, 9. 
geographical distribution of, 11. 
arrangement of, 12. 
character, area, and number of, 23. 
review of, with reference to coral 
reefs, 137. 
Island ranges of Pacific, relative positions 
and curves of, 414, 418, 
curved, off the Asiatic coast, 419. 
cause of curvatures in, 433, 
Island, Deception, 547. 
Madeira, 549. 
Islands, Caroline, 16, 395, 400, 410. 
coral, 29, 33, 48. 
Feejecan, 139, 337. 
Hawaiian, 155. 
Kingsmill or Tarawan, 50, 76, 409, 
417. 
Paumotu, 14, 24, 53, 58, 137,394, 402. 
Samoan, 15, 138, 307, 407. 
Society or Tahitian, 14, 285, 404. 
Sooloo, 539. 
Tongan, or Friendly, 39, 63, 138, 406. 
Jarvis Island, 52, 68, 405. 
Jasper, near San Francisco, California, 632, 
636. 
in the Philippines, 540. 
veins of, in Australia, 503. 
Judd, dangerous descent of, in Kilauea, 182. 
