as the level of the crust of this earth. "Magazine of Zoology and Botany" volume 1 page217. The third day afterwards werode the horse, without any ill effects. Wemay believe that the jagged and battered forms of the hard quartzyet show the effects of the waves of an open ocean. They appear to vary their tints according to the nature of theground over which they pass: when in deep water, their generalshade was brownish purple, but when placed on the land, or inshallow water, this dark tint changed into one of a yellowishgreen. from earthquakes. The meeting was less interesting than that between ahorse, turned out into a field, when he joins an old companion. on rivers inPampas. ship Essex" volume 1 page 215. The beak of Cactornis is somewhatlike that of a starling, and that of the fourth sub- group,Camarhynchus, is slightly parrot-shaped. BASALTIC GLEN, SANTA CRUZ (RIO NEGRO). Degradation of tertiary formations. The only other appearance which I haveto notice, is a thin oily coat on the water which displaysiridescent colours. Now as the island sinksdown, either a few feet at a time or quite insensibly, we maysafely infer, from what is known of the conditions favourable tothe growth of coral, that the living masses, bathed by the surf onthe margin of the reef, will soon regain the surface. Cudico, mission at. At other times they dartedtail first, with the rapidity of an arrow, from one side of thepool to the other, at the same instant discolouring the water witha dark chestnut-brown ink. On the leaves, also,various patelliform shells, Trochi, uncovered molluscs, and somebivalves are attached. For these feats of horsemanship two things are necessary: a mostsevere bit, like the Mameluke, the power of which, though seldomused, the horse knows full well; and large
blunt spurs, that can beapplied either as a mere touch, or as an instrument of extremepain. Before seeing them, I had no idea that any trees could cast soblack a shade on the ground. We thushave an immense range in latitude; and as Cook, who must have beenwell acquainted with the species, found it at Kerguelen Land, noless than 140 degrees in longitude. (2/9. , on mice of North America. Winds, dry, in Tierra del Fuego. APRIL 18, 1832.
- Spring '19
- Tierra del Fuego