. Bulletin - United States National Museum. Science. Fig. 146.—Oebipoea distincta. a, tangential section, X2D, illustrating the usual structures noted; b, vertical section, X8, through a portion of a zoarium; c, small portion of the same section, X20, showing structure of walls and acanthopores. Jewe limestone (D1), Baron Toll's estate, Esthonia. acanthopores and of the zooecial walls is essentially the same as in other Batostomellidse, although the uniform diameter of the zocecia and absence of macu- lae are conspicuous points of difference. The same characters, in addition to the ab- sence o
. Bulletin - United States National Museum. Science. Fig. 146.—Oebipoea distincta. a, tangential section, X2D, illustrating the usual structures noted; b, vertical section, X8, through a portion of a zoarium; c, small portion of the same section, X20, showing structure of walls and acanthopores. Jewe limestone (D1), Baron Toll's estate, Esthonia. acanthopores and of the zooecial walls is essentially the same as in other Batostomellidse, although the uniform diameter of the zocecia and absence of macu- lae are conspicuous points of difference. The same characters, in addition to the ab- sence of diapliragms, are also well shown in vertical sections. The discoid zoarium, exceptionally large zooecia, numerous large acanthopores, and the absence of maculae and dia- phragms, are charac- ters which will cause the present species to be recognized without Fig. 147.—Oebipora distincta. a, tangentul section, X20, m WHICH THE STRUCTURE IS WELL PRESERVED; 6, A PORTION OF A ZOCECIAL WALL, X35, EXHIBITING THE DETAILED STRUCTURE OF THE ACANTHOPORES. ThE LARGE CENTRAL LUMEN AND THE GRANULES OR TUBULES OF THE ACANTHOPOEE WALL ARE CLEARLY SHOWN. CHASMOPS LIMESTONE, NEAR BODAHAMN, ISLAND OF 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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