INDEX. 
Stewart, C. S., on Kilauea in 1829, 186. 
Stilbite, at Nassau Bay, 605. 
Stratified structure of Madeira, 296. 
of the walls of Kilauea, 174. 
Structure of earth’s crust, 426. 
columnar, see Columnar. 
concentric, see Concentric, 
lamellar, see Laminated. 
Strzelecki, P. E. de, Kilauea in 18388, 187, 
188, 
height of Kilauea, 166. 
heights of the mountains of New South 
Wales, 450. 
Stutchbury, S., depth of growing corals, 
98, 
observations on the rate of growth of 
zoophytes, 102, 
height of Rurutu, 405. 
Subsidence, coral reefs, evidence of, 125, 
393. 
bay indentations, evidence of, 393, 
397, 675. 
along Hawaiian and other Pacific 
ranges, 396, 397, 398. 
at island of Banabe, 400. 
in Pacific, axis of area of, 398, 432, 
extent of, 399. 
effects of, 399. 
loss of land in consequence of, 
129. 
about Kilauea, from eruptions, 197. 
action of, in causing the forms of reefs 
and coral islands, 125, 138. 
Sulphur and minerals of Kilauea, 180, 
198. 
in New Zealand, 446, 447. 
seleniferous, 203. 
Swain’s Island, 52, 69, 407. 
Swalalahos, an extinct volcano, in Oregon, 
643, 
Sydney Island, 72, 407. 
Sydney sandstone, 456. 
oblique layers of deposition in, 462, 
Syenite of Chili, 562. 
of Tahiti, 295, 364, 733. 
of Oregon, 631. 
of volcanic centres, origin of, 377. 
189 
793 
Tafoa, active volcano, 25. 
Tahaa, 285, 304. 
Tahiti, general features of, 286. 
coral.reefs of, 41, 47, 293. 
rocks of, 294, 
-syenite of, 294, 733. 
twin character of, 302. 
compact non-stratified centre, 296. 
no coral on summits of, 299. 
ideal sketch of valley of, 388. 
evidence of subsidence at, 397. 
Taiara or King’s Island, 52, 71. 
Talcose rocks of Oregon and Northern Ca- 
lifornia, 682. 
of the Philippines, 540. 
Tapuaemanuy, island of, 285, 
Taputeouea, 51, 54, 64, 409. 
population of, 76. 
Tarawan Islands, map and descriptions of, 
50. 
water in, 76. 
Tari-tari, 52, 76, 113. 
Tchihatcheff, fossil plants of Siberia and 
age of rocks, 495, 715, 733. 
Teku, or Four Crowns, 70. 
Tellina albaria, 725. 
arctata, 725. 
bitruncata, 725. 
emacerata, 725. 
nasuta, 725. 
Temperature of geysers, 208. 
of ocean in coral regions, 95, 134. 
Teneriffe, von Buch on, 371. 
trachytic centre of, 373. 
Terebratula amygdala, 682. 
elongata, 682. 
mnitens, 726. 
Terraces in Oregon and California, 659, 
670. 
Terraces, origin of, 671. 
Tertiary or recent deposits of Rio Negro, 
608. 
of Callao, 587. 
Tertiary of Oregon, 651, 669. 
Tertiary fossils of Oregon, 722. 
Tetuaroa, 285. 
Thracia trapezoides, 723. 
