INDEX. 



491 



Entrc Rios, geology of, 122 



Epeira, habits of, 34, 30 



Erratic blocks, how transported, 236 



absent in intertropi- 



cal countries, 236 



on plains of Santa 



Cruz, 177 



of Tierra del Fuego, 



236 



Estancia, value of, 138 

 Extermination of species and races, 



165, 166, 417, 423, 430 

 Extinction of shells at St. Helena, 



468 

 of species, causes of, 165, 



166 

 of man in New South 



Wales, 417, 430 

 Eyes of tucutuco and inole, 40 



Falconer, Dr., on the Sivatherium, 

 139 



, Jesuit, on the Indians, 



98 



, on rivers in Pam- 

 pas, 100 



, on natural enclo- 



sures, 1 10 

 Falkland Islands, 179 



. , birds tame at, 382 



, absence of trees 

 at, 45 



, carrion-hawks of, 



54 



, wild cattle and 



horses of, 180 



, climate of, 231 



, peat of, 274 



Fat, quantity eaten, 111 

 Fear, an acquired instinct, 383 

 Februa, 32 



Fennel, run wild, 112 

 Ferguson, Dr., on miasma, 350 

 Fern-trees, 233, 431 

 Fernando Norouha, 10, 359 

 Fields of dead coral, 442 

 Fire, art of making, 185, 393 

 Fish, eating coral, 446 



of Galapagos, 375 



emitting harsh sound, 129 



Flamingoes, 62 



Fleas, 331 



Floods after droughts, 127 



clear after snow, 305 



Flora of the Galapagos, 359, 376, 



379 



of Keeling Island, 436 



of St. Helena, 467 



Flustracese, 191 



Forests, absence of, in La Plata, 45 



of Tierra del Fuego, 199, 



231, 273 



of Chiloe, 232, 268, 273, 



281 



of Valdivia, 286, 289 



of New Zealand, 410 



of Australia, 416 



Fossil Mammalia, 76, 120, 123, 147, 



164 



earthenware, 355 



Fox of the Falkland Islands, 184 



of Chiloe, 268 



Friendly Archipelago, 461 

 Frogs, noises of, 28 



, bladders of, 368 



and toads, not found on 



oceanic islands, 366 

 Frozen soil, 83, 236 

 Fruit-trees, southern limit of, 232 

 Fucus giganteus, 228 

 Fuegians, 194 to 223 

 Fulgurites, 56 

 Fungus, edible, 225 

 Furnarius, 89 



Galapagos Archipelago, 357 ; 

 natural history of, 362 



belongs to American 



Zoology, 362, 377 



Gale of wind, 206, 269 



Gallegos River, fossil bones at, 164 



Gallinazo, 52 



Gauchos, 40, 145 



, character of, 148 



live on meat, 111 



Gay, M., on floating islands. 253 



, on shells in brackish 



water, 20 



Geese at the Falkland Islands, 189 



Geographical distribution of Ameri- 

 can animals, 124, 313 



of frogs, 



366 



of fauna 



of Galapagos, 377 

 Geology of Cordillera, 306, 318 



of Patagonia, 162, 172 



of St. Jago, 6 



