Social England : a record of the progress of the people in religion, laws, learning, arts, industry, commerce, science, literature and manners, from the earliest times to the present day . Adam Sedgwick, Professor of Geology atCambridge. As his first contribution to this subject, he deter-mined in general outline the nature and succession of the rocksin the Lake District and Western Yorkshire, of which indeed hewas a native, for he was born at Dent, near Sedbergh, in next attacked a still more difficult problem, thegeology of Xorth Wales. Beginning the task in 1831 from thenorthe
Social England : a record of the progress of the people in religion, laws, learning, arts, industry, commerce, science, literature and manners, from the earliest times to the present day . Adam Sedgwick, Professor of Geology atCambridge. As his first contribution to this subject, he deter-mined in general outline the nature and succession of the rocksin the Lake District and Western Yorkshire, of which indeed hewas a native, for he was born at Dent, near Sedbergh, in next attacked a still more difficult problem, thegeology of Xorth Wales. Beginning the task in 1831 from thenorthern border of the Principality, he laboured assiduously tobring this region into oixler, notwithstanding its frequent paucityof fossils, and its ancient flows of lava and beds of tuff, the wantof good maps, and sometimes of adequate accommodation. It GEOLOGY. lf<l 1^- 81 was a task of immense difficulty, but in the course ot aboutthree years hard labour it was accomplished so eftectually thathardly anv changes of real importance have been made m theupward succession which Sedgwick established, from Anglesey as a base. i i r But the problem was almost sinniltaneously attacked trom. ADA51 SEDGWICK, BY TIIOllAS PUILLUS, (By itemiission of J. U. Gurney, Esq., Norwich.) another side, and in the opposite direction, by one who hadalready co-operated with Sedgwick in the unportant mvestiga-tion into the Old Red Sandstone of Scotland, durmg the summerof 1827 Roderick Impey Murchison began on the easternborder of the more central parts of Wales and worked down-wards from the Old Red Sandstone, investigating the outcropsof the older rocks as well as some of the deposits ot later age mthe neighbouring counties of England and extendmg Insresearches westward into the Principality so as to traverse the258 Cambrian and Silurian. 82 PEACE, RETRENCHMEST, AND REFORM. resjion soutli of that in which Sedsrwick was at work : in otherwords, to the south, speaking generally, of a Une drawn fromO
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