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The Quarterly journal of the Geological Society of London . WTl Jaiirn rie ol Soo Ynl XL Pi XXI uftoleletKtVi Hanliart imp ZAPHRENTOID COR AiS FROM SOUTH RE VOIn Pl XXI Illustration biodiversitylibrary org Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London