AS he is called by the negroes, is the most idle and listless of all breathing creatures. He can hardly be said to have been endowed, by Providence, with any kind of loco-motion, as his crawling on the earth or climbing the trees, is not only long and slow, but also attended with difficulty and groanings. The faint sound Ai, which he utters when labouring along, has been the cause of his being called by that name.
The Unau is a branch of the same family. The flesh of both kinds is eaten by the inhabitants of South America and of the island of Ceylon, and has not a disagreeable taste.