752 INDEX. 
Silliman, B., Jr., analysis of coral rock from 
Matea, 153. 
analyses of corals, 151, 152. 
analysis of coral sand from the straits 
of Balabac, 153. 
analyses of capillary glass and lava 
from Kilauea, 200. 
analysis of sal ammoniac from Kilauea, 
202. 
analysis of blue sulphate of copper, 
202. 
examination of ferruginous stalactites 
from Kilauea, 201. 
analyses of aluminous stalactites of 
Mount Loa, 207. 
analysis of Mauilite, 230. 
analyses of aluminous stalactites of 
Upolu, 324, 
analyses of Australian coal, 476. 
analysis of limestone concretions of 
Oregon, 657. 
analysis of a feldspathic mineral from 
Upolu, 7382. 
Siphonotreta curta, 685. 
Slope of Andes, 612. 
of Chimborazo, 170. 
of Etna, 170. 
of Kahoolawe, Lanai,and Molokai, 232. 
of Maui, 227. 
of Mount Loa, 169. 
of Teneriffe, 170. 
of Rocky Mountains, 612. 
of flowing lava, 356, 357. 
of volcanic cones, 354, 355, 356. 
Society Islands, 285, 
Eimeo, 285, 302. 
Tahiti, 286. 
Tahaa, 285, 304. 
Raiatea, 285, 304. 
Huahine, 285, 303. 
Borabora, 285, 304. 
Maurua, 285, 304. 
general character of, 304. 
reefs and harbours of Tahiti, 41, 
116, 117, 138. 
evidence of change of level at, 
397, 404. 
Soil, red, from basaltic decomposition, 266, 
274, 299, 
Solemya ventricosa, 723. 
Solecurtus ellipticus, 686. 
Solecurtus planulatus, 686. 
Solen ellipticus, 686, 
Solfatara, Kilauea not, 205. 
Sooloo Islands, notice of, 589, 544. 
reefs of, 142. 
curved range of, 419. 
Soundings near coral islands, 55, 56, 
Specific gravities of rocks in the Pacific, 
732. 
Spirifer antarcticus, 685. 
avicula, 685. 
Darwinii, 634. 
duodecicostatus, 684. 
glaber, 683. 
Hawkinsii, 684. 
oblatus, 684. 
paucicostatus, 684. 
phalena, 685. 
subradiatus, 684. 
vespertilio, 685, 
Sphenopteris lobifolia, 751. 
Spout-holes, see Bl.w-holes. 
Spring, chalybeate, in the Shasty Moun- 
tains, 643. 
hot, of Feejees, 343, 
of Luzon, 543. 
of New Zealand, 445, 447. 
Stalactites, aluminous, of the summit of 
Mount Loa, 207. 
in cavern on Upolu, 328. 
ferruginous, volcanic, 201. 
calcareous, coral islands, 67. 
Steatite in Northern California, 633. 
Steel, J., section of coal strata, Newcastle, 
A474, 
faults in the coal beds of Newcastle, 
N.S. W., 477. 
fossil fish, discovered by, 482. 
Stevenson, T., force of waves, in transport- 
ing rocks, 106, 112. 
Stewart, C.S., columns of lava at Kilauea, 
178. 
on Kilauea in 1825, 185. 
