. Bulletin - United States National Museum. Science. Fio. 31.—Cheiloporina, new genus. A-H. Cheiloporina {Chdlopora)haddoni'BaTmeT, 1902. A. Two zooecia, one ovicelled, showing an avicularium (a) and the two kinds of opercula. B. Basal view of zooecium with trifoliate operculum. (After Harmer, 1902), op. operculum; t, tentacles; o, ovary; ov, ovisac. C. Zoarium with ovicelled zooecia, X 25. (After Jullien, 1903.) D. Ovicelled zooecia, X 12. E. Operculum of ordinary zooe- cium, X 85. F. Operculum of ovicelled zooecia, X 85. G. Lateral wall showing septulae. H. Distal wall with septulae. (D-H, a
. Bulletin - United States National Museum. Science. Fio. 31.—Cheiloporina, new genus. A-H. Cheiloporina {Chdlopora)haddoni'BaTmeT, 1902. A. Two zooecia, one ovicelled, showing an avicularium (a) and the two kinds of opercula. B. Basal view of zooecium with trifoliate operculum. (After Harmer, 1902), op. operculum; t, tentacles; o, ovary; ov, ovisac. C. Zoarium with ovicelled zooecia, X 25. (After Jullien, 1903.) D. Ovicelled zooecia, X 12. E. Operculum of ordinary zooe- cium, X 85. F. Operculum of ovicelled zooecia, X 85. G. Lateral wall showing septulae. H. Distal wall with septulae. (D-H, after Waters, 1918.) All the species of Cheilopora described in the Monograph of North American Early Tertiary Bryozoa belong in reality to Cheiloporina. These are as follows: CTieilopora labiosa Ulrich, 1901; Cheilopora orbifera; C. prelucidioides; C. stricto- cella; C. grandis; C. transversa; C. transveroiies; C. specula; and C. sulcifera Canu and Bassler. ' On some Mediterranean Bryozoa, Annals and Magazine Natural History, ser. 9, vol. 11, p. 97, pi. 12, flgs. 6-10. 12184—23—BuU. 125 12. 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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