The “Grey Limestone” of Scarborough, and its associated and alternating beds of sandstone and shale, have lately attracted the attention of geologists from other parts of England, who, aided by their knowledge of the Oolites of their own districts, and of France and Germany, have done much to establish more accurate views of the correlations of the Yorkshire beds. I do not, therefore, hope to add much to the general information which is now possessed as to the true position of the fossil plant-yielding beds at Gristhorpe Bay, Cloughton Wyke, and the neighbourhood of Whitby; my chief intention being to describe and figure some new or imperfectly known species, and to point out certain affinities and differences that have hitherto escaped detection.
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