516 



INDEX. 



Quoy and Gaimard on stinging 



corals, 464 

 on coral-reefs, 



476 



Rabbit, wild, at the Falkland Islands, 

 193 



Eain at Coquimbo, 338, 347, 348 



at Rio, 29 



and earthquakes, 351 



. in Peru, 364, 365 



in Chile, formerly more abun- 

 dant, 357 



, effects on vegetation, 



338 



Rana Mascariensis, 382 



Rat, only aboriginal animal of New 

 Zealand, 427 



Rats at Galapagos, 378 



at Ascension, 492 



at Keeling Island, 456 



Rattle-snake, species with allied 

 habit, 97 



Red snow, 322 



Reduvius, 330 



Reef at Pernambuco of sandstone, 

 498 



Reefs of coral, 465 to 482 



, Barrier, 469, 476 



, Fringing, 472 



Reeks, Mr., analysis of salt, 66 



' -bones, 155 



salt and 



shells, 370 



Remains, human elevated, 370 



Remedies of the Gauchos, 128 



Rengger on the horse, 233 



Reptiles absent in Tierra del Fuego, 

 237 



at Galapagos, 381 



Respiration difficult in Andes, 322 



Retrospect, 50 



Revolutions at Buenos Ayres, 140 



Rhinoceroses live in desert coun- 

 tries, 86 



, frozen, 89, 250 



Rhynchops nigra, 137 



Richardson, Dr., on mice of North 

 America, 378 



, on polished rocks, 



251 



248 



-, on frozen soil, 88, 

 -, on eating fat, 1 1 7 



Richardson, Dr., on geographical 

 distribution, 131 



Rimsky atoll, 466 



Rio de Janeiro, 19 



Plata, 39 



Negro, 63, 149 



Coloi'ado, 70 



S. Cruz, 177 



Sauce, 106 



Salado, 118 



Rivers, power of, in wearing chan 

 nels, 180, 320 



River-bed, arched, 358 



River-courses dry in America, 107 



Rocks burnished with ferruginous 

 matter, 12 



Rodents, number of in America, 49, 

 179 



, fossil species of, 82 



Rosas, General, 71, 103, 140 



Ruins of Callao, 369 



of Indian buildings in Cordil- 

 lera, 356, 368 



S. Cruz, 177 



Salado, Rio, 118 



Salinas at the Galapagos Archipe- 

 lago, 377 



in Patagonia, 65, 170 



Saline efflorescences, 78 



Salt with vegetable food, 110 



, superficial crust of, 364 



, with elevated shells, 369 



Salt-lakes, 65. 170, 377 



Sandwich Archipelago, no frogs at, 

 382 



Land, 248 



San Pedro, forests of, 281 



Sand-dunes, 75 



Sand, hot from sun's rays, at Gala- 

 pagos Archipelago, 377 



, noise from friction of, 361 



Sandstone of New South Wales, 437 



, reef of, 498 



Santa Cruz, river of, 177 



Santiago, Chile, 262 



Sarmiento, Mount, 233, 241 



Sauce, Rio, 106 



Saurophagus sulphureus, 54 



Scarus eating corals, 464 



Scelidotherium, 82 



Scenery of Andes, 318 



Scissor-tail, 138 



Scissor-beak, habits of, 137 



