518 



INDEX. 



Sulphate of soda with common 



salt, 66, 369 

 Swainson, Mr., on cuckoos, 53 

 Sydney, 431 



Tabanus, 170 



Tahiti (Otaheite), 403 



, three zones of fertility, 406 



Talcahuano, 302 

 Tambillos, Ruinas de, 356 

 Tameness of birds, 398 

 Tapacolo and Turco, 270 

 Tapalguen, Sierra, flat hills of quartz, 



116 

 Tarn, Mount, 234 

 Tasmania, 446 

 Tattooing, 404, 426 

 Temperance of the Tahitians, 41 1 

 Temperature of Tierra del Fuego and 



Falkland Islands, 242 



of Galapagos, 373, 377 



Tercero, Rio, fossils in banks of, 127 

 Terraces in valleys of Cordillera, 315 



of Coquimbo, 343 



• of Patagonia, 172, 181 



Tertiary formations of the Pampas, 



81, 129, 155 

 of Patagonia, 170, 



in Chile, epochs 



of, 344 

 Teru-tero, habits of, 114 

 Testudo, habits of, 382, 394 

 Theory of lagoon-islands, 472 

 Theristicus, 165 

 Thistle beds, 119, 124, 148 

 Thunder-storms, 62 

 Tierra del Fuego, 204 to 251 

 , climate and vege- 

 tation of, 242 



, zoology of, 236 



-, entomology of, 238 



Tinamus rufescens, 1 1 3 

 Tinochorus Eschscholtzii, 94 

 Toad, habits of, 97 



not found in oceanic islands, 



381 

 Torrents in Cordillera, 316, 321 

 Tortoise, habits of, 382, 394 

 Toxodon, 82, 127, 130, 155 

 Transparency of air in Andes, 325 



' in St. Jago, 4 



Transport of seeds, 392, 454 

 of boulders, 187, 24 7 



Transport of stones in roots of treeS; 



461 

 of fragments of rock on 



banks of the St. Cruz river, 180 

 Travertin with leaves of trees, Van 



Diemen's Land, 448 

 Tree-ferns, southern limits of, 244 



, 448 



Trees, absence of, in Pampas, 46 



, floating, transport stones, 461 



silicified, vertical, 332 



, size of, 353 



-, time required to rot, 301 



Tres Montes, 282 

 Trichodesmium, 14 

 Trigonocephalus, 96 

 Tristan d'Acunha, 399, 456 

 Trochilus, 271 

 Tropical scenery, 495 

 Tschudi, M., on subsidence, 369 

 Tubes, siliceous, formed by lightning, 



59 

 Tucutuco, habits of, 50 



, fossil species of, 82 



Tuff; craters of, 373 



, Infusoria in, 494 



Tupungato, volcano of, 324 

 Turco, El, 270 



Turkey buzzard, 58, 184, 284 

 Turtle, manner of catching, 459 

 Type of organization in Galapagos 



islands, American, 393 

 Types of organization in different 



countries, constant, 173 

 Tyrannus, 138 



Ulloa on hydrophobia, 353 



on Indian buildings, 357 



Unaniie, Dr., on hydrophobia, 353 

 Uruguay, Rio, 139, 147 



, not crossed by the 



Bizcacha, 124 

 Uspallata range and pass, 331 



Vacas, Rio, 333 

 Valdivia, 297 



, forests of, 298, 301 



Valley of St. Cruz, how excavated, 



181 



, dry, at Copiapo, 355 



Valleys, excavation of, in Chile, 315, 



355 



of Tahiti. 408, 412 



in Cordillera, 315 



