Monograph of the Palaeontographical Society . with its basis spreading very much, viewed from b. A young specimen, magnified to show the structure of the costae. 1 c. Calice, magnified;—1/1,1,1,1/1, Septa of the first cyclum. Paracyathus caryophylltjs (p. 24). Fig. 2. An adult specimen, complete; natural size. 2 a, 2 b, 2 c. Worn specimens ; natural size. 2 d. Two young individuals cemented by their basis. 2 e. A remarkably short specimen. 2 /. A complete specimen, magnified so as to show the structure of the Calice, magnified. Paracyathus brevis (p. 25). Fig. 3. A specimen, t


Monograph of the Palaeontographical Society . with its basis spreading very much, viewed from b. A young specimen, magnified to show the structure of the costae. 1 c. Calice, magnified;—1/1,1,1,1/1, Septa of the first cyclum. Paracyathus caryophylltjs (p. 24). Fig. 2. An adult specimen, complete; natural size. 2 a, 2 b, 2 c. Worn specimens ; natural size. 2 d. Two young individuals cemented by their basis. 2 e. A remarkably short specimen. 2 /. A complete specimen, magnified so as to show the structure of the Calice, magnified. Paracyathus brevis (p. 25). Fig. 3. A specimen, the base of which is somewhat worn down; natural size. 3 a. The same, b. Calice, magnified. 3 c. Interior cast of a corallum, which is taller than the preceding one, but appears to belong to the same species. Dasmia Sowerbyi (p. 25). Fig. 4. Side view of the corallum; natural size. 4 a. The same magnified, so as to show the structure of the costse. 4 b. Calice, magnified; the central part is filled up with extraneous matter. De - Jel TAB. V. CORALS FROM THE LONDON CLAY. Stylocgbnia eriarciata (p. 30). Fig. 1. A small mass of this compound corallum ; natural size. la. A portion of the calicular surface of the same, specimen is somewhat weather-worn. Stylocosnia Monticularia (p. 32). Fig. 2. A small, somewhat gibbose mass of this compound corallum ; natural a. A portion of the calicular surface, magnified so as to show the structure of thecalices and of the marginal processes. 2 b. Transverse section of the compound corallum, slightly magnified, to show the cavity circumscribed by its under surface. AsiROCCENIA pulchella (p. 33). Fig. 3. A small mass of this compound corallum, in which most of the corallites havebeen pressed together so that their calicular edges have become polygonaland completely united; natural size. 3 a. Another group, in which most of the corallites have preserved their original circular form and free calicular margin.


Size: 1375px × 1818px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1840, booksubjectpaleontology, bookyea