as the traveller stays but a short time in each place, his descriptions must generally consist of mere sketches instead of detailed observations. Hence arises, as I have found to my cost, a constant tendency to fill up the wide gaps of knowledge by inaccurate and superficial hypotheses.
But I have too deeply enjoyed the voyage not to recommend any naturalist, although he must not expect to be so fortunate in his companions as have been, to take all chances, and to start, on travels by land if possible, if otherwise on a long voyage. He may feel assured he will meet with no difficulties or dangers, excepting in rare cases, nearly so bad as he beforehand anticipates. In a moral point of view, the effect ought to be, to teach him good-humoured patience, freedom from selfishness, the habit of acting for himself, and of making the best of every occurrence. In short, he ought to partake of the characteristic qualities of most sailors. Travelling ought also to teach him distrust; but, at the same time, he will discover how many truly kind-hearted people there are with whom he never before had, or ever again will have, any further communication, who yet are ready to offer him the most disinterested assist
NOTE. The snake, described at page 123, vol. i., with the curious habit of vibrating its tail, is a new species of Trigonocephalus, which M. Bibron proposes to call T. crepitans.
Abbott, Mr., on spiders, i., 45.
Aborigines banished from Van Die-
men's Land, ii., 235.
of Australia, ii., 218-239.
Abrolhos, i., 18.
Absence of trees in Pampas, i., 58.
Aconcagua, volcano of, i., 325, ii., 32.
Actinia, stinging species, ii., 258.
Africa, Southern part desert, yet
supports large animals, i., 108.
Agouti, habits of, i., 89.
Ague, common in Peru, ii., 129.
Albemarle Island, ii., 143.
Allan, Dr., on Diodon, i., 18.
on Holuthuriæ, ii., 258,
259.
Alluvium, saliferous, in Peru, ii.,
127.
-, stratified, in Andes, ii.,63.
Amblyrhynchus, ii., 155, 168.
Anas, species of, i., 257.
Animalculæ, see Infusoria.
Antarctic Islands, i., 319.
Antipodes, ii., 196.
Ants at Keeling Island, ii., 247.
in Brazil, i., 44.
Apires, or miners, ii., 96.
Aplysia, i., 8.
Apple-trees, ii., 39.
Aptenodytes demersa, i., 256.
Areas of alternate movements in the
Pacific and Indian Oceans, ii., 279.
Armadilloes, habits of, i., 122.
-, fossil animals allied to,
i., 165, 198.
Arrow-heads, ancient, i., 134, ii. 117.
Ascension, ii., 292.
Aspalax, blindness of, i., 66.
Athene, i., 89, 159.
Atolls, ii., 260.
Attagis, i., 121.
Atwater, Mr., on the prairies, i., 152.
Audubon, M., on smelling-power of
carrion-hawks, i., 236, 237.
Australia, ii., 214.
Australian barrier, ii., 270.
Azara on spiders, i., 45, 48.
on rain in La Plata, i., 59.
on range of carrion-hawks, i.,
Azara on habits of carrion-hawks, i.,
on a thunder-storm, i., 79.
on ostrich-eggs, i., 117.
on bows and arrows, i., 135.
on new plants springing up,
i., 152.
on great droughts, i., 170.
on hydrophobia, ii., 113.
Bachman, Mr., on carrion-hawks,
i., 237.
Bahia Blanca, i., 97-135.
Bahia, Brazil, i., 14.
, scenery of, ii., 297.
Balbi on coral reefs, ii., 266.
Bald Head, Australia, ii., 239
Ballenar, Chile, ii., 107.
Banda Oriental, i., 49, 181.
Banks's Hill, i., 270.
Barking-bird, 11., 28.
Basaltic platform of Santa Cruz, 1
231.
Bathurst, Australia, ii., 229.
Bat, vampire, i., 27.
Bay of Islands, New Zealand, ii.,
196.
Beads, hill of, i., 190.
Beagle Channel, Tierra del Fuego,
i., 280.
Beech-trees, i., 303, ii., 18.
Beetles alive in sea, i., 203.
-, dung-feeders, ii., 290, 291.
at St. Julian, i., 218.
in brackish water, i., 27.
on a fungus, i., 41.
Behring's Straits, fossils of, i., 168.
Bell of Quillota, i., 329.
Benchuca, ii., 82.
Berkeley Sound, i., 241.
Rev. J., on Confervæ, i., 18
, on Cyttaria, i., 303
Bibron, M., ii., 150, 155.
Bien-te-veo, i., 69.
Birds of the Gallapagos Archipelago,
ii., 146, 168.
Birds, tameness of, ii., 172.
Birgos latro, ii., 256.
Bizcacha, habits of, i., 89, 158.
Blackwall, Mr., on spiders, i., 207.
Blindness of tucutuco, i., 65.
Body, frozen, i., 113, 320.
Bolabola, ii., 264, 270.
Bolas, manner of using, i., 56, 142.
Bombs, volcanic, ii., 295.
Bones of the guanaco collected in
certain spots, i., 215.
fire made of, i., 250.
-, recent in Pampas, i., 171.
fossil, i., 104, 162, 165, 198,
222.
Bory St. Vincent on frogs, ii., 150.
Boulders, i., 240, 318.
Bramador, El, ii., 123.
Brazil, great area of granite, i., 15.
Breaches in coral reefs, ii., 274.
Breakwater of sea-weed, i., 308.
Brewster, Sir D., on a calcareous
deposit, i., 12.
Bridge of hide, i., 338.
of Incas, ii., 88, 89, 117.
Buckland, Dr., on fossils, i., 168.
Buenos Ayres, i., 154.
Buffon on American animals, i., 222,
223.
Bug of Pampas, ii., 82.
Buildings, Indian, ii., 116-120, 133.
Bulimus on desert places, ii., 105.
Burchell, Mr., on food of quadrupeds,
i., 111.
-, on ostrich eggs, i,
116.
i., 345.
Butterflies, flocks of, i., 202, 203.
Butterfly producing clicking sound,
i., 42.
on perforated stones,
Button, Jemmy, i., 266.
Byron's account of fox of Falklands,
i., 249.
-on an Indian killing his child,
Capybara, or carpincho, i., 63, ii., 26.
fossil allied to, i., 105.
Cape Horn, i., 272.
Cape of Good Hope, i., 109.
Caracara, or Carrancha, i., 70, 71.
Cardoon, beds of, i., 153, 189.
Carmichael, Capt., ii., 175, 247.
Carrion-hawks, i., 70, 153, 236.
Casarita, i., 122.
Castro, Chiloe, ii., 13, 34.
Casts of trees, ii., 240.
Casuchas, ii., 89.
Cathartes, i., 75, 237, ii., 22.
Cats run wild, i., 153, ii., 294
good to eat, i., 149.
scratch trees, i., 173.
-, cruelty to mice, i., 256.
Cattle, effects of their grazing on the
vegetation, i., 152.
killed by great droughts, i.,
know each other, i., 185.
curious breed of, i., 185, 186.
waste of, i., 190.
wild at the Falkland Islands,
i., 243-247.
Cauquenes, hot springs of, i., 339.
Causes of extinction of species among
mammalia, i., 223.
of discoloured sea, i., 18.
Cavia Patagonica, i., 89.
Cervus campestris, i., 61.
Ceryle Americana, i., 176.
Chacao, Chiloe, ii., 9.
Chagos atolls, ii., 277.
Chalk-like mud, ii., 259.
Chamisso on drifted seeds and trees,
ii., 246, 254.
on coral reefs, ii., 261.
Changes in vegetation of Pampas, i.,
in vegetation of St. Helena,
ii., 289.
Charles Island, Galapagos Archipel-
ago, ii., 141.
Cheese, salt required for, i., 84.
Cheucau, ii., 14, 27.
Chile, i., 325, ii., 91.
features of country, i., 328
Chiloe, ii., 7.
forests of, and climate, i.,313.
roads of, ii., 9, 33.
inhabitants of, ii., 8, 11.
Chionis, i., 121.
Chonos Archipelago, ii., 18.
Chupat, Rio, i., 136.
Cladonia, ii., 126.
Clearness of atmosphere within
Andes, in Chile, i., 330.
Climate of Tierra del Fuego and
Falkland Islands, i., 312.
Antarctic Islands, i., 319.
Galapagos, ii., 139, 145.
change of, in Chile, ii.,
Clouds of vapour after rain, i., 30.
on Corcovado, i., 36.
hanging low, ii., 131.
Couthouy, Mr., on coral-reefs, ii.,
Crabs, hermit species of, ii., 248.
at Keeling Island, ii., 256.
at St. Paul's, i., 13.
Craters, number of at the Galapagos
Archipelago, ii., 139.
of Elevation, ii., 284.
Crisia, i., 260.
Cruelty to animals, i., 195.
Crustacea, pelagic, i., 207.
Ctenomys Braziliensis, i., 64.
fossil species of, i., 105.
at sea, ii., 176. Cucao, Chiloe, ii., 35.
Coleoptera in Tropics, i., 43.
out at sea, i., 203.
of St. Julian, i., 218.
Colias edusa, flocks of, i., 203.
Collnett, Capt., on spawn in sea, i.,22.
-, on a marine lizard,
-, on transport of seeds,
ii., 165.
Colonia del Sacramiento, i., 183.
Colorado Rio, i., 89.
Compound animals, i., 258, 259.
Concepcion, Chile, ii., 46.
Condor, habits of, i., 234, 238, 348.
Confervæ, pelagic, i., 18.
Conglomerate on the Ventana, i.,139.
-- in Cordillera, ii., 69.
Conurus, i., 176.
Convicts of Mauritius, ii., 283.
condition of, in New South
Cook, Capt., on kelp, i., 308.
Cuckoo-like habits of Molothrus, i.,
67.
Cuentas, Sierra de, i., 190.
Cumbre of Cordillera, ii., 89.
Cuming, Mr., on shells, ii., 162, 290.
Cuttle-fish, habits of, i., 8, ii., 27.
Cuvier on Diodon, i., 17.
Cynara, i., 152.
Cyttaria Darwinii, i., 303.
Dacelo Iagoensis, i., 2.
Dasypus, three species of, i., 122.
Deer, i., 61, 62, 169.
Degradation of tertiary formations,
ii., 101.
Deinornis, ii., 210.
Deserts, ii., 107, 126.
Desmodus i., 27.
Despoblado, valley of, ii., 115.
Dieffenbach on Auckland Island, i.,
314, ii., 220.
Diodon, habits of, i., 16.
Copiapó, river and valley of, ii., 108. Discoloured sea, i., 18.
Coquimbo, ii., 98.
Coral formations, ü., 177, 242-281.
-, stinging species of, ii., 257.
dead, ii., 253, 277.
Corallines, i., 259.
Corcovado, clouds on, i., 36.
----- volcano, ii., 31.
Cordillera, appearance of, i., 332, ii.,
10, 66, 67.
different productions on
east and west side, ii., 78.
-, passage of, ii., 61.
structure of valleys, ii.,63.
geology of, ii., 68-71, 86.
rivers of, ii., 64.
of Copiapó, ii., 122.
Cormorant catching fish, i., 256.
Corral, where animals are slaugh-
tered at Buenos Ayres, i., 155.
Coseguina, eruption of, ii., 32.
Countries, unhealthy, ii., 129.
Diseases from miasma, ii., 129, 219.
Distribution of mammalia in Ameri-
ca, i., 167.
of animals on opposite
sides of Cordillera, ii., 78.
of frogs, ii., 150.
of Fauna of Galapagos
ii., 165.
Dobrizhoffer on ostriches, i., 120.
-- on a hail-storm, i., 148.
Docks, imported, ii., 211.
Dogs, shepherd, i., 191.
D'Orbigny, Travels in South Ameri-
ca, i., 100, 119, 153, 165, 191, 215.
Doris, eggs of, i., 258.
Doubleday, Mr., on a noise made by
a butterfly, i., 42.
Drigg, lightning tubes at, i., 76.
Droughts, great, in Pampas, i., 169
Dryness of St. Jago, i., 5.
of winds in Tierra del Fu-
ego, i., 298.
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