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Published online by Cambridge University Press: 01 May 2009
In Professor Harkness's very interesting paper “On the Middle Pleistocene Deposits,” he alludes to the beds described by Mr. George Maw, “in the valley of the Severn, between Bridgenorth and Shrewsbury, which seem to accord with the shell-bearing beds of Ireland”
page 106 note 2 Geol. Mag., Dec., 1869, p. 546.
page 106 note 3 Notes on the Geology of North Shropshire, chap. 6.
page 106 note 4 The Geological Surveyors give a thickness of 120 feet to the drift near Petton.
page 106 note 5 See a section given by Mr. G. Maw, south of Workington, Lancashire, where a lower blue clay is exposed, overlaid by reddish, silty clay. Geol. Mag., Vol. VI. Feb., 1869, p. 72.
page 108 note 1 It should be observed that although flints certainly occur sometimes in these beds, north-east of the Wrekin, they are by no means a marked feature. Of the transported rocks, grey granite is perhaps the most abundant.
page 109 note 1 Brit. Assoc. Rep. 1866.
page 109 note 2 Geol. Mag., Dec., 1869, p. 542.
page 110 note 1 Geol. Mag., Oct., 1869, p. 452.
page 110 note 2 Quart. Journ. Geol. Soc., 1864.
page 110 note 3 These shells are all drifted specimens, washed up by the waves, in a dead state, with the sand and shingle of the beach. They are most frequent where the deposit is bedded, and both valves are never found joined.
page 110 note 4 See “Drift-beds of Llandrillo-bay,” Geol. Mag., August, 1868.
page 110 note 5 Geol. Mag., Dec., 1869.
page 111 note 1 Geol. Mag., Dec., 1869, p. 569.
page 111 note 2 See Rev. O. Fisher's “Denudations of Norfolk,” Geol. Mag., Dec., 1868.
page 111 note 3 Marine drifts do occur, I am told, on the banks of this stream, nearer to Bridgenorth.