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 cer-
tain spots, 167

fire made of, 194

--, recent in Pampas, 134

fossil, 81, 127, 130, 155, 173
Bory St. Vincent on frogs, 381
Boulders, 187, 247

Bramador, El, 361

Brazil, great area of granite, 12
Breaches in coral reefs, 476
Breakwater of sea-weed, 240

Brewster, Sir D., on a calcareous de-
posit, 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,

climate of, 242
, peat of, 287

Fat, quantity eaten, 117
Fear, an acquired instinct, 399
Februa, 33

Fennel, run wild, 119
Ferguson, Dr., on miasma, 366
Fern-trees, 244, 448
Fernando Noronha, 11, 374
Fields of dead coral, 460
Fire, art of making, 194, 409
Fish, eating coral, 464

of Galapagos, 390
emitting harsh sound, 136
Flamingoes, 66
Fleas, 346

Floods after droughts, 134

clear after snow, 319

Flora of the Galapagos, 374, 392,

bladders of, 383

Fungus, edible, 236
Furnarius, 95

Gay, M., on floating islands, 265
-, on shells in brackish water,

21
Geese at the Falkland Islands, 199
Geographical distribution of Ameri
can animals, 131, 326

381

of Galapagos, 393

of frogs,

of fauna

Geology of Cordillera, 319, 332
of Patagonia, 170, 181
of St. Jago, 6
of St. Paul, 8
of B. Blanca, 81
of Pampas, 129
of Brazil, 12
Georgia, climate of, 248
Geospiza, 379, 395

Gill, Mr., on an upheaved river-bed,

358

Gillies, Dr., on the Cordillera, 323
Glaciers in Tierra del Fuego, 224,

245

in Cordillera, 324
in lat. 46° 40', 246

Glow-worms, 30

Goats, destructive to vegetation at St.
Helena, 489

bones of, 168

Goître, 314

Gold-washing, 266

Good Success Bay, 204
Gossamer spider, 159

islands, 381

Frozen soil, 88, 248

Fruit-trees, southern limit of, 243
Fucus giganteus, 239

Fuegians, 204 to 234

-, on birds of Galapagos,

379
Granite mountains, Tres Montes. 283
of Cordillera, 320

Graspus, 10