On the Evidence for the Ice-sheet in North Lancashire and adjacent parts of Yorkshire and Westmoreland

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Abstract
The materials on which the remarks are founded which I now have the honour of submitting to the Society, have been collected by my for several years past whilst carrying on the work of the Geological Survey. The process has been necessarily slow; for the direct evidences do not generally obtrude themselves upon one's notice, and they are so sparingly scattered over the ground, and so affected by the form of the ground and other local causes, that any generalization from a mere partial examination of the district would be worthless. It has been my privilege to go over the greater part of the area acre by acre; and although objects of more practical utility have been the chief aim of this examination, I have always been on the look-out for any records of the Glacial period which are graven on the rocks themselves. I believe that very few such which are exposed have escaped my notice; and those found I have endeavoured to register impartially, leaning as little as may be towards one theory or another. I intend, first, very briefly to describe the physical features of the district. The region lies between latitude 53° 38′ and 54° 18′, and extends from the great watershed of England on the east to Morecambe Bay and the Irish Sea on the west. To the N.N.W. are the Lake mountains, and to the south the plains of Cheshire and South Lancashire. The accompanying map (Pl. XXX.) will explain better than words the

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