. Bulletin - United States National Museum. Science. A-E. Fig. 51.—Genus Syringotrema Harmer, 1926 Syringotrema auriculatum Harmer, 1926. A. Operculum with its 6clerite on the proximal side of which is another sclerite belonging to the margin of the opesia. B. Zooecia and avicularium. C. Young zooecia. D. Mandible. E. Ovicells and parts of zooecia. (All magnified and after Harmer, 1926.) rounded proximally and laterally by a cryptocyst-ridge within which is a complete, nearly vertical, calcareous tube terminating in the orifice. Avicularia vicarious. Ovicells with a distal hood, on the proxima


. Bulletin - United States National Museum. Science. A-E. Fig. 51.—Genus Syringotrema Harmer, 1926 Syringotrema auriculatum Harmer, 1926. A. Operculum with its 6clerite on the proximal side of which is another sclerite belonging to the margin of the opesia. B. Zooecia and avicularium. C. Young zooecia. D. Mandible. E. Ovicells and parts of zooecia. (All magnified and after Harmer, 1926.) rounded proximally and laterally by a cryptocyst-ridge within which is a complete, nearly vertical, calcareous tube terminating in the orifice. Avicularia vicarious. Ovicells with a distal hood, on the proximal side of which are two lateral flaps or auricles. Genotype.—S. auriculatum Harmer, 1926. Recent. Genus ATELESTOZOUM Harmer, 1926 Zoarium free, the zooecia opening principally on two opposite faces. Zooecia with a depressed horizontal cryptocyst, of consider- able extent, its distal lobes prolonged round the border of the orifice without completely uniting on its distal side. Vertical walls much raised, their edges marking off large, angular areas which occupy the. 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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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience