. The Quarterly journal of the Geological Society of London. No, 136. G. B. Photomicro. Bemrose, Collo. Quart. Journ. Geol. Soc. Vol. LX, Pl. XXXVII. Fig. 1. x *1 . ^ i^^:^ ***

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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845