Quart. Journ. Geol. Soc. Vol. LX, Pl. XLI. 



Fig. 1. x 17. 



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Fig. 2. * 17. 



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THE IGNEOUS ROCKS OF PONTESFORD HILL (SHROPSHIRE). 



Photomicro> W. S. Boulton. Bemrose, Collo. 



