Society, to take these minor points into serious consideration. The Trias he had always regarded as a great inland salt-lake deposit, which of course involved such terrestrial conditions as those which had been pointed out. He could not agree that some intercalations of marine beds destroyed the generally continental character of the Miocene beds of the northern half of Europe. He repudiated the idea of an immediate connexion between the elevation of the Alps and the flow of the Severn, though such a general tilting of the strata as that of which the last elevation of the Alps was one of the principal results, produced its effects upon a wide area in Western Europe. The volume of the rivers in former times had nothing to do with his subject ; but the cutting back through escarpments was, he thought, best explained in the manner he had suggested.
