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style=margin-left:2em; text-indent:-2em * Blackwall, Mr., on spiders, 161
 * Blindness of tucutuco, 52
 * Body, frozen, 89, 249
 * Bolabola, 469, 473
 * Bolas, manner of using, 44, 111
 * Bombs, volcanic, 493
 * Bones of the guanaco collected in certain spots, 167
 * , fire made of, 194
 * , recent in Pampas, 134
 * , fossil, 81, 127, 130, 155, 173
 * Bory St. Vincent on frogs, 38 1
 * Boulders, 187, 247
 * Bramador, El, 361
 * Brazil, great area of granite, 12
 * Breaches in coral reefs, 478
 * Breakwater of sea-weed, 240
 * Brewster, Sir D., on a calcareous deposit, 10
 * Bridge of hide, 262
 * of Incas, 334, 356
 * Buckland, Dr., on fossils, 132
 * Buenos Ayres, 121
 * Buffon on American animals, 173
 * Bug of Pampas, 330
 * Buildings, Indian, 356 to 359, 368
 * Bulimus on desert places, 347
 * Burchell, Mr., on food of quadrupeds, 87
 * on ostrich-eggs, 91
 * on perforated stones, 267
 * Butterflies, flocks of, 158
 * Butterfly producing clicking sound, 33
 * Button, Jemmy, 207
 * Byron's account of fox of Falklands, 194
 * on an Indian killing his child, 216


 * Cacti, 165, 261, 374
 * Cactornis, 379, 394
 * Calasoma on wing out at sea, 158
 * Calcareous casts of branches and roots of trees at King George's Sound, 450
 * Calcareous incrustations on rocks of Ascension, 9
 * Callao, 365
 * Calodera, 1-25
 * Calomys bizcacha, 124
 * Camarhynchus, 379, 394
 * Camelidæ, fossil animal allied to, 172
 * Cauis antarcticus, 193
 * Canis fulvipes, 280
 * Capybara, or carpincho, 49, 287
 * , fossil allied to, 82
 * Cape Horn, 211
 * Cape of Good Hope, 85
 * Caracara, or Carrancha, 55
 * Cardoou, beds of, 119, 148
 * Carmichael, Capt., 392
 * Carrion -hawks, 55, 120, 184
 * Casarita, 95
 * Castro, Chiloe, 278, 294
 * Casts of trees, 450
 * Casuchas, 335
 * Cathartes, 58, 184,284
 * Cats run wild, 120, 493
 * good to eat, 117
 * scratch trees, 136
 * , cruelty to mice, 199
 * Cattle, effects of their grazing on the vegetation, 118
 * killed by great droughts, 134, 146
 * know each other, 145
 * curious breed of, 145
 * , waste of, 149
 * wild at the Falkland Islands, 190, 192
 * Cauquenes, hot springs of, 263
 * Causes of extinction of species among mammalia, 173
 * of discoloured sea, 14
 * Cavia Patagonica, 69
 * Cervus campestris, 48
 * Ceryle Americana, 138
 * Chacao, Chiloe, 274
 * Chagos atolls, 478
 * Chalk-like mud, 465
 * Chamisso on drifted seeds and trees, 454, 461
 * on coral reefs, 467
 * Changes in vegetation of Pampas, 120
 * in vegetation of St. Helena, 489
 * Charles Island, Galapagos Archipelago, 375
 * Cheese, salt required for, 66
 * Cheucau, 278, 288
 * Chile, 252, 337
 * , features of country, 254
 * Chiloe, 273
 * , forests of, and climate, 243