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, 411 
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, 
329 
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, 113 : 
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, 247 
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 
Unanie, 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 Copiapd, 355 
Valleys, excavation of, in Chile, 515, 
355 
of Tahiti, 408, 412 
——— in Cordillera, 315 
