516 
INDEX. 
Quoy and Gaimard on stinging 
corals, 464 
ns on coral-reefs, 
476 
Rabbit, wild, at the Falkland Islands, 
193 
Rain at Coquimbo, 338, 347, 348 
—— at Rio, 29 
— and earthquakes, 351 
-—— in Peru, 364, 365 
—— in Chile, formerly more abun- 
dant, 357 7 
, 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 polishtd rocks, 
251 
————, on frozen soil, 88, 
248 
——_———, on eating fat, 117 
Richardson, Dr., on geographical 
distribution, 131 
Rimsky atoll, 466 
Rio de Janeiro, 19 
—— Plata, 39 
—— Negro, 63, 149 
— Colorado, 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 
Jera, 356, 368 
8. 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 
