It here, however, exclusively frequents salt water; which same circumstance has been mentioned as sometimes occurring with the great rodent, the Capybara.

A small sea-otter is very numerous; this animal does not feed exclusively on fish, but, like the seals, draws a large supply from a small red crab, which swims in shoals near the surface of the water.

Mr.Bynoe saw one in Tierra del Fuego eating a cuttle-fish; and at Low's Harbour, another was killed in the act of carrying to its hole a large volute shell.

At one place I caught in a trap a singular little mouse (M.brachiotis); it appeared common on several of the islets, but the Chilotans at Low's Harbour said that it was not found in all.

What a succession of chances, or what changes of level must have been brought into play, thus to spread these small animals throughout this broken archipelago! (13/3.