GEOLOGY OF ENGLAND.

land, and Craven in Yorkshire , rise from 3000to 3400 feet above the leve'l of the sea. Snow remains on their summits to the middle ofJune, and in some seasons masses of snow havecontinued the whole year. Snow was gatheredlast summer (1812) on the northern side ofHelvellyn in the month of August. The highesthills in Derbyshire are Kinder Scout near Hay-field, Axe Edge near Buxton , and Whin Hilland Mam Tor near Castleton : they are muchlower than the mountains of Cumberland. Theheight of the northern mountains has been veryinaccurately stated in different publications.I was favoured by Mr Dalton, author of the“ New System of Chemical Philosophy,” withthe following barometrical measurements ta-

ken bv himself, which I have reason to believe

7

are correct. feet.

Sea Fell, Cumberland 3240

Helvellyn ditto 3225

Skiddaw ditto 3175

Grasmire near Cromack Lake, ditto 2865

Hill Bell near Winandermere 2436

Coniston Oldman 2571

Rydal Head 3076

Bow Fell, Yorkshire 3084

Whernside, do. (above the village of Dent) 2475