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Sometimes the limestone appears in a brecciated form, the fragments which are united together not consisting of foreign rocks but seemingly composed of the breaking-up of the Permian limestone itself, about the time of its consolidation. Some of the angular masses in Tynemouth cliff are two feet in diameter. Magnesian Limestone, Humbleton Hill, near Sunderland. Fenestella retiformis, Schlot, sp.
About 228 species of fossils are known in the May-Hill division, more than half of which are Wenlock species. The Brachiopods, of which there are 66 species, are almost all Upper Silurian. Tentaculites annulatus, Schlot. Interior casts in sandstone. Upper Llandovery, Eastnor Park, near Malvern.
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