548 
INDEX 
Quoy and Gaimard on coral-reefs, 505 
Rabbit, wild, at the Falkland Islands, 
203 
Rain at Coquimbo, 361, 371, 372 
at Rio, 30 
effects on vegetation, 361 
and earthquakes, 375 
in Chile, formerly more abundant, 381 
in Peru, 389, 390 
Rana Mascariensis, 407 
Rat, only aboriginal animal of New 
Zealand, 455 
Rats at Galapagos, 403 
at Keeling Island, 485 
at Ascension, 523 
Rattlesnake, species with allied habit, 
100 
Red snow, 345 
Reduvius, 352 
Reef at Pernambuco of sandstone, 529 
Reefs of coral, 495 to 512 
barrier, 498, 504 
fringing, 501 
Reeks, Mr., analysis of salt, 68 
bones, 164 
salt and shells, 394 
Remains, human, elevated, 394 
Remedies of the Gauchos, 135 
Rengger on the horse, 247 
Reptiles absent in Tierra del Fuego, 
252 
at Galapagos, 407 
Respiration difficult in Andes, 344 
Retrospect, 51 
Revolutions at Buenos Ayres, 149 
Rhea Darwinii (Avestruz Petise), no 
Rhinoceroses live in desei't countries, 92 
frozen, 93, 264 
Rhynchops nigra, 145, 146 
Richardson, Dr., on mice of North 
America, 404 
on frozen soil, 92, 263 
on eating fat, 123 
on geographical distribution, 139 
on polished rocks, 267 
Rimsky atoll, 496 
Rio de Janeiro, 19 to 39 
Botofogo Bay, 19 
Plata, 40 
Negro, 65, 192 
Colorado, 73 
Sauce, 112 
Salado, 124 
S. Cruz, 187 
River-bed, arched, 383 
River-courses dry in America, 113 
Rivers, power of, in wearing channels, 
I 9 I > 339 
Rocks burnished with ferruginous matter, 
12 
Rodents, number of, in America, 51, 189 
fossil species of, 87 
Rolor, General, 149 
Rosas, General, 73, 116, 149 
Rozario, 129, 133, 147, 153 
Ruins of Callao, 391 
of Indian buildings in Cordillera, 380, 
382 
Salado, Rio, 124 
Saladillo river, 134 
Salinas at the Galapagos Archipelago, 402 
in Patagonia, 66, 177 
Saline efflorescences, 81 
Salt with vegetable food, 116 
superficial crust of, 388 
wdth elevated shells, 393 
Salt-lakes, 68, 177, 402 
San Carlos, 313 
Nicolas, 133, 147 
Felipe, 276 
Pedro, 299 
Pedro, forests of, 299 
Lorenzo Island, 393 
Sand-dunes, 78 
Sand, hot from sun’s rays, at Galapagos 
Archipelago, 403 
noise from friction of, 385 
Sandstone of New South Wales, 465 
reef of, 529 
Sandwich Archipelago, no frogs at, 407 
Land, 263 
Santa Cruz, river of, 187 
Santiago, Chile, 282 
Sarmiento, Mount, 247, 256 
Sauce, Rio, 112, 371 
Saurophagus sulphureus, 55 
Scarus eating corals, 494 
Scelidotherium, 86 
Scenery of Andes, 335 to 341 
Scissor-beak, habits of, 145, 146 
Scissor-tail, 147 
Scoresby, Mr., on effects of snow on 
rocks, 340 
Scorpions, cannibals, 165 
Scrope, Mr., on earthquakes, 376 
Scytalopus, 252, 308 
Sea, open, inhabitants of, 172 
phosphorescence of, 172 
explosions in, 327 
Sea-pen, habits of, 104, 212 
Seals, number of, 303 
Seaweed, growth of, 253 
