546 



INDEX 



Tertiary formations in Chile, epochs 



of, 365. 



Teru-tero, habits of, 127. 

 Testudo, habits of, 405, 417. 

 Theory of lagoon-islands, 497. 

 Theristicus, 179. 

 Thistle beds, 131, 136, 161. 

 Thunder-storms, 72. 

 Tierra del Fuego, 219-268. 



, climate and vegetation of, 258 



, zoology of, 252. 



, entomology of, 254. 



Tinamus rufescens, 125. 

 Tinochorus Eschscholtzii, 106. 

 Toad, habits of, 109. 



not found in oceanic islands, 



404. 



Torrents in Cordillera, 335, 340. 

 Tortoise, habits of, 405, 417. 

 Toxodon, 94, 139, 142, 168. 

 Transparency of air in Andes, 345. 



of air in St. Jago, 14. 



Transport of seeds, 415, 479. 



of boulders, 201, 264. 



of stones in, roots of trees, 487. 



of fragments of rock on banks 



of the St. Cruz river, 194. 



Travertin with leaves of trees, Van 

 Diemen's Land, 473. 



Tree-ferns, southern limits of, 261. 



> 473- 



Trees, absence of, in Pampas, 56. 



, floating, transport stones, 487. 



, silicified, vertical, 351. 



, silicified, size of, 373. 



, time required to rot, 320. 



Tres Montes, 299. 



Trichodesmium, 25. 



Trigonocephalus, 108. 



Tristan d'Acunha, 424, 481. 



Trochilus, 289. 



Tropical scenery, 521. 



Tschudi, M., on subsidence, 390. 



Tubes, silicious, formed by light- 

 ning, 70. 



Tucutuco, habits of, 61. 



, fossil species of, 94. 



Tuff, craters of, 395. 



, Infusoria in, 521. 



Tupungato, volcano of, 344. 



Turco, El, 287. 



Turkey buzzard, 69, 199, 302. 



Turtle, manner of catching, 484. 



Type of organization in Galapagos 

 Islands, American, 416. 



Types of organization in different 

 countries, constant, 188. 



Tyrannus, 151. 



Ulloa on hydrophobia, 374. 



on Indian buildings, 378. 



Unanue, Dr., on hydrophobia, 374. 

 Uruguay, Rio, 152, 160. 



, not crossed by the Bizcacha, 



136. 



Uspallata range and pass, 351. 

 Vacas, Rio, 353. 



Valdivia, 315. 



, forests of, 316, 320. 



Valley of St. Cruz, how excavated, 



i9S- 



, dry, at Copiapo, 376. 



Valleys, excavation of, in Chile, 



334, 376. 



of Tahiti, 431, 435. 



in Cordillera, 334. 



of New South Wales, 462. 



Valparaiso, 269, 332. 

 Vampire bat, 32. 



Vapour from forests, 34. 

 Van Diemen's Land, 470. 

 Vanellus Cayanus, 127. 

 Vanessa, flocks of, 172. 

 Vanikoro, 495, 496, 501. 

 Vegetation of St. Helena, changes 



of, SIS- 

 Vegetation on opposite sides of Con 



dillera, 346. 

 , luxuriant, not necessary to 



support large animals, 97. 

 Ventana, Sierra, 122. 

 Verbena melindres, 51. 

 Villa Vicencio, 351. 

 Virgularia Patagonica, in, 217. 

 Volcanic bombs, 520. 



Islands, 18. 



phenomena, 329. 



Volcanoes near Chiloe, 290, 292, 



309, 329. 

 , their presence determined by 



elevation or subsidence, 506. 

 Vultur aura, 69, 199, 301. 



Waders, first colonists of distant 



islands, 402. 



Waimate, New Zealand, 445. 

 Walckenaer, on spiders, 48. 

 Walleechu tree, 79. 

 Wasps preying on spiders and killed 



by, 46-48. 

 Water, sold at Iquique, 383. 



, fresh, floating on salt, 49, 483. 



Water-hog, 60. 



Waterhouse, Mr., on Rodents, 60, 



400. 



, on the Niata ox, 159. 



, on the insects of Tierra del 



Fuego, 254. 

 , on the insects of Galapagos, 



404, 415. 

 Waves, caused by fall of ice, 240, 



262. 



from earthquakes, 324, 327. 



Weather, connection with earth- 

 quakes, 372. 



Weather-board, N. S. Wales, 461. 

 Weeds in New Zealand, imported, 



4JS, 452- 



Weight of large quadrupeds, 99. 

 Wellington, Mount, 473. 

 Wells, ebbing and flowing, 483. 



at Iquique, 384. 



West Indies, banks of, 463. 

 , coral reefs of, 498, 506. 



