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,

killed by great droughts, 134,

- 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,

Eimeo, view of, 406

Elater, springing powers of, 31
Electricity of atmosphere within
Andes, 326

Elephant, weight of, 87

Elevated shells, 85, 130, 171, 254,

297, 310, 344, 362, 369

Elevation of coasts of Chile, 254, 297,
307, 310, 338, 344, 357
B. Blanca, 83

Patagonia, 171, 371

Pampas, 130

mountain-chains, 312
Cordillera, 316, 321, 332
fringing-reefs, 476
Peru, 369

within human period, 371

Entomology of the Galapagos Archi-
pelago, 381, 392, 394

Brazil, 34

Patagonia, 170, 327
Tierra del Fuego, 233
Keeling Island, 456
St. Helena, 490

Entre Rios, geology of, 129
Epeira, habits of, 36, 28

Erratic blocks, how transported, 247
absent in intertropical

countries, 248

pas, 106

Jesuit, on the Indians. 104

on rivers in Pam-

511

Galapagos Archipelago, 372; natural
history of, 377

belongs to American Zoo-

logy, 377, 393

Gale of wind, 217, 281

Gallegos River, fossil bones at, 171
Gallinazo, 55

Gauchos, 42, 155

character of, 156

live on meat, 117

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

Gould, Mr., on the Calodera, 125
-, on birds of Galapagos,

379

Granite mountains, Tres Montes, 283
of Cordillera, 320

Graspus, 10