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 the railway train for Manchester, which I reached a little after mid-day.

In passing through Northumberland, I had quitted the hilly district when I quitted the Mountain Limestone and Millstone Grit; and now, in travelling on to Manchester, I had, I found, again got into a mountainous, semi-pastoral country. There were deep green valleys, traversed by lively tumbling streams, that opened on either hand among the hills; and the course of the railway train was, for a time, one of great vicissitude,—now elevated high on an embankment, now burrowing deep in a tunnel. It is, the traveller finds, the same Millstone Grit and Mountain Limestone which form the hilly regions of Northumberland, that give here their hills and valleys to Lancashire and the West Riding of Yorkshire; and that, passing on to Derby, in the general south-western range of the English formations, compose the Peak, so famous for its many caves and chasms, with all the picturesque groups of eminences that surround it. There are few things which so strike the Scotch geologist who visits England for the first time, as the simplicity with which he finds he can resolve the varying landscape into its geologic elements. The case is different in Scotland, where he has to deal, in almost every locality, with both the denuding and the Plutonic agents, and where, as in the neighborhood of Edinburgh, many independent centres of internal action, grouped closely together, connect the composition of single prospects with numerous and very varied catastrophes. But in most English landscapes one has to deal with the denuding agents alone. In passing along an open sea-coast, on which strata of the Secondary or Palæozoic formations have been laid bare, one finds that the degree of prominence exhibited by the bars and ridges of rock exposed to the waves corresponds always with their degree of tenacity and hardness. A bed of