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Published online by Cambridge University Press: 01 May 2009
The general direction of glaciation in the north-east of Anglesey is from about N.N.E. to S.S.W., with local variations of a few degrees on either side. These are but of minor importance, the general trend being remarkably steady, so much so as even to indicate before-hand the existence and approximate position of unknown occurrences of certain rocks by thin trains of boulders.
As the end of my work in Anglesey is now within sight I may perhaps say that this and other short papers already published are portions of continuous glacial work in the island. Since coming there some twelve years ago I have put the drift lines and allied information upon the six-inch maps as well as the ‘solid’ geology, and from these a connected account of the glaciation of the island can be given.
2 There seems to be an older set of striæ at one place running W.S.W., but this is under high land, and is evidently a local deflection.
3 As large tracts of that country are above the 200 feet contour, we have here another ease of those uplifts of boulders of which I have now on record a good number of examples in the island.