Of land-shells I collected sixteen kinds (and two markedvarieties) of which, with the exception of one Helix found atTahiti, all are peculiar to this archipelago: a single fresh- watershell (Paludina) is common to Tahiti and Van Diemen's Land. Bad as the country was, ostriches, deers,agoutis, and armadilloes, were abundant. Tradition says thatthey were used as halting-places for the Incas, when they crossedthe mountains. )This volume contains, in the form of a Journal, a history of ourvoyage, and a sketch of those observations in Natural History andGeology, which I think will possess some interest for the generalreader. I have heard it remarked in Shropshirethat the water, when the Severn is flooded from long- continuedrain, is much more turbid than when it proceeds from the snowmelting on the Welsh mountains. salt and shells. I will here add a few observations on some of the animals and birdsof Chile. Sierra Ventana. Some ofthe residents think that all this extensive open country originallywas covered with forests, and that it has been cleared by fire. effects of, on a river-bed. I was interested by finding here the hollow conical pitfallof the lion-ant, or some other insect: first a fly fell down thetreacherous slope and immediately disappeared; then came a largebut unwary ant; its struggles to escape being very violent, thosecurious little jets of sand, described by Kirby and Spence"Entomology" volume 1 page 425, as being flirted by the insect'stail, were promptly directed against the expected victim. Great black
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- Fall '16
- Tierra del Fuego