IN entering upon the Tertiaries, we reach that geological age which, next to his own, has the deepest interest for man. The more striking scenes of animal life, hitherto confined chiefly to the ocean, ...
THE work consists of translations from the German originals of two memoirs, published respectively in 1883 and 1886, with explanatory notes on the geology by the Survey officers. Ettingshausen's ...
WITH regard to the succession of races which have undergone a complete specific change through successive geological periods, we have not in plants, in as far as I am aware, any such cases of “true ...