. Bulletin of the British Museum (Natural History), Geology. ARENIG IN SOUTH WALES 211 mr: t>;i: •'•»* v".>; M^ :••• .;V\^K&ri a^::; flUI S . iPSSf$$ y*§* He b. .•A <. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)

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