^{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.