INDEX. 745 
Lamination of micaceous rocks, adjoining 
veins, in Chili, 577. 
in beach and drift sand-rock, 254, 275, 
277. 
of rocks, cause of, illustrated, 256. 
Lanai, 231. 
Lancerote, observation of von Buch on, 371. 
Land lost to the Pacific by subsidence, 400. 
Lava, smooth fields of, on Hawaii, called 
pahoihoi, 161, 162. 
clinker fields of Hawaii, 162, 165, 187. 
recent fields of, producing potatoes, 166. 
stalactites of, Kilauea, 177, 201. 
Lavas of Kilauea, 175, 176, 179, 198. 
of the eruption of Kilauea in 1840, 190, 
192, 
fluidity of, at Kilauea, 178, 195. 
ebullition of, 200. 
cooling of, 187, 191, 204. 
angle of descent of flowing, 210, 356. 
forming steep ridges or slopes around 
a vent, 178, 179. 
influence of fluidity of, on the charac- 
ter of cones, 358. 
pressure of, in the centre of the volcano 
of Mount Loa, 217. 
columns of, Kilauea, 177, 178. 
capillary, Kilauea, 179, 199. 
of the summit of Mount Loa, 207. 
of Hale-a-kala, 228. 
of Upolu, 319, 322, 
Lavas, see further, Rocks. 
Lava cones, characters of, 355. 
Level, causes of changes in, 431. 
evidences of change of, in the Pacific, 
392, 402, 412. 
changes of, in Feejees, 351, 407, 414. 
evidences of change of, in Upolu, 382. 
change of, in Oregon, 670. 
changes of, in New South Wales, 533. 
change of, in Hawaiian Islands, 408. 
see farther, Subsidence. 
Lignite in the Jaguel Valley, Chili, 584. 
in Oregon, 658. 
Lime, carbonate of, incrusting pebbles, 44. 
deposited in vesicular rocks, 45, 
Limestone of Madeira, 554, 
187 
Limestone, prismatic, in limestone concre- 
tions of Oregon, analysis of, 657. 
coral, see Coral. 
Lingula ovata, 685. 
| Lisiansky, N., formation of a precipice on 
Kodiak, 259. 
soundings by, 56. 
Lisiansky, island of, 56. 
Low Archipelago, see Paumotu. 
Loyalty Group, reefs of, 141. 
Lua Pele, see Azlauea. 
Lucina acutilineata, 725. 
Luzon, observations on, 540. 
coal of, 544. 
hot springs at Banos, 543. 
Lyell, C., force of waves, 106. 
Mackenzie Island, 410. 
M’Coy, age of coal of Australia, 495, 
fossils of Australia, 683 et seq. 
Madagascar, reefs of, 145. 
Madeira, observations on, 549. 
limestone of Canigal, 554, 
of St. Vincent, 555. 
Meonia, 694, 
Meonia axinia, 696. 
carinata, 696. 
elliptica, 697. 
elongata, 695, 
fragilis, 696. 
gigas, 697. 
gracilis, 698. 
myiformis, 697. 
grandis, 697. 
recta, 698, 
valida, 695. 
Magnetic iron sand, on Upolu, 315. 
Maiana, island of, 52. 
Maitea (misspelt, Metia), 285. 
Makin, island of, 52, 113, 410. 
Malden, Lieutenant, map of Kilauea, as seen 
in 1825, 185. 
Malden, island of, 406. 
Maldive, origin of the word, 33. 
title of the Sultan of, 32. 
Maldives, soundings about, 56. 
remarks on, 66, 133. 
