Narrative of the surveying voyages of his majesty's ships Adventure and Beagle (vol.3)

614 INDEX. Smitb, Dr. Andrew, on the support of large quadrupeds, 99. , on perforated peb- bles, 173. Snake, venemous, 114. Snow-line, on Cordillera, 275. Snow, eft'ectsof OQ rocks, 388. , red, 394.. Soda, nitrate of, 443. , sulphate of, 91. Southern islands, "171. Sparus, coral-eating fish, 553. Spawn on surface of sea, 18. Spiders, habits of 40. , gossamer, 187. Stalactites o*' sulphate of lime. 9. Steam issuing from fissures iu ground at the .Azores, 596. Stino-ing; coral, 552. Strt^ams of stones at Falkland Islands, 254. Struthio Rhea, 105. Darwinii, 108. Subsidence in Pacific Ocean, 557. at Keeling Island, 560. Sulphate of soda incrusting the ground, 91. Sidney, 515. Tabanus, 200. Tahiti (Otabeite), 480. , three zones of fertilitj, 484. Tail, fossil, gigantic size of, 181. Talcabuano, 370. 'lameness of birds, 475. Tapocolo and Turco, 329. Tapalgaen, Sierra, flat hills of quartz, 135. Tasmania, 532. Tattoonig, 482, 501. Temperance of the Tahitians, 490. Teru-tero, habits of, 133. Tercero Rio, fossil remains, in banks of 146. Terraces in valleys of Cordillera, 385. of Coquirabo, 423. of Paagonia, how formed, 202. Testudo Indicus, habits of, 462. Theory of lagoon islands, 553. Thistle beds, 138, 143, 172. Tierra del Fuego, 227, 263. of, 268. climate and vegetation • , geology of, 266. , deep channels in, t67. , zoology of, 300. ; , entomology of, 302. Tinamus rufescens, 51. Titwchorus Eschscholtzii, 110. Toad, habits of, 115. not iound in volcanic islands, 472. Tortoise, habits of, 462. Torrents, effects of, in Cordillera, 385. Toxodon, 180. , teeth of, 146. I'ransport of seeds, 541. of boulders, 280, to 292. of stones in roots of trees, 549. of fragments of rock on banks of the St. Cruz river, 216. Travertin niih leaves of trees, Van Diemen's Land, 535. Tree-ferns, southern limits of, 271. Trees, absence of, in Pampas, 53. , silicifiei': .'ertical, 406. Tres Moutes, 343. Trioonocephalus, or Cophias, 114. Trochilus gigas, 331. Tropical scenery, 590. Tubes, siliceous, formed by lightning, 69. Tucutuoo, habiis of, 58. Turkej' buzzard, 68. I'upungato, volcano of, 397. Turtle, manner of catching, 547. Types of organization in different coun- tries, constant, 209. Uruguay, Rio, 171. Uspallata range, 406. Valdivia, 363. , forests of, 364, 368. Valley of St. Cruz, how excavated, 217. -, dry, at Copiap6, 438. Valleys, excavation of, in Chile, 314, 438. of Tahiti, 486. in Cordillera, 385. Valparaiso, 308. Vampire bat, 25. Van Diemen's Land, 532. Vanellus Caifaneiisis, 133. Vanikoro, encircled island, 555. Vegetation of ^t. Helena, 580, '82. , changes of, at ditto, 579. of New South Wales, 517. on opposite sides of Cor- dillera, 399. luxuriant, not necessary to A support large animals, 99. Ventana, Sierra, 125. Villa Vicencio, 405. Virgularia Patagonica, 117. Volcanic phenomena, 380. Volcanoes near Chiloe, 336. , occur within the areas of elevation, 567. Viiltur aura, 68.