On Cyathoclisia , a New Genus of Carboniferous Coral

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Abstract
In this paper are described certain Tournaisian coral-forms of limited range, which are fairly abundant in some localities in the South-West of England and South Wales. These resemble Clisiophyllum in their general features, but differ so markedly from the Visean species of that genus in structural details, that it seemed desirable to apply to them a new generic name: Cyathoclisia, proposed by Dr. W. D. Lang, is here adopted. On the suggestion of Prof. A. H. Cox, I began to investigate the coral fauna found in the Carboniferous Limestone of Little Island, Barry (Glamorgan). Later, however, Principal T. F. Sibly pointed out that the ‘Clisiophyllids’ might prove worthy of detailed study, and this paper embodies the greater part of the results obtained in following out his suggestion. In addition to the material from Barry, specimens and sections from Bristol, the Mendips, and Ireland have been examined. For the loan of specimens I cordially thank the following:— The Keeper of the Geological Department, National Museum of Wales, Cardiff, for material collected by Principal Sibly and presented by him to that Museum; the Keeper of the Geological Department, British Museum (Natural History); the Keeper of the Geological Department, Royal Scottish Museum, for Clisiophyllids; Mr. G. E. Bush; Prof. E. J. Garwood and Miss E. M. Goodyear, for specimens of Clisiophyllum from the North-West of England; Mr. T. N. George, for Clisiophyllids collected in Caermarthenshire; Mr. T. A. Ryder and Dr. Stanley Smith, for sections prepared by them; and Dr. L. B. Smyth,

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