. Bulletin - United States National Museum. Science. 468 BULLETIN 100, UNITED STATES NATIONAL MUSEUM II. ;. \-A ' *"' L Fig. 199.—Genus Eulhyris Hincks, 1882 A-M. Eulhyris oblecta Hincks 1882. A. On the marginal zooecia the peculiar processes are seen, by which the covering membrane (ectocyst) is kept out- stretched, X40. B. Four zooecia, from the basal surface. Besides the septulac a number of filiform calcified elongations are seen; X40. C. A sagittal section through two marginal zooecia. The internal lateral processes are visible and also the connections between the cryptocys
. Bulletin - United States National Museum. Science. 468 BULLETIN 100, UNITED STATES NATIONAL MUSEUM II. ;. \-A ' *"' L Fig. 199.—Genus Eulhyris Hincks, 1882 A-M. Eulhyris oblecta Hincks 1882. A. On the marginal zooecia the peculiar processes are seen, by which the covering membrane (ectocyst) is kept out- stretched, X40. B. Four zooecia, from the basal surface. Besides the septulac a number of filiform calcified elongations are seen; X40. C. A sagittal section through two marginal zooecia. The internal lateral processes are visible and also the connections between the cryptocyst and the covering membrane (ectocyst): X40. D. Sagittal section through ordinary zooecia; X40. E. The processes of the lateral wall, from the outer surface, X40. F. Operculum, X100. (A-F. After Levinsen, 1909.) G. Part of the frontal surface of a branch, showing two of the large zooecia (B) m. c, marginal cavity of frond; calc. p., calcareous papil- lae supporting the frontal epitheca; p. pores. H. Basal view of a B-zooecium from which most of the basal calcareous wall (b. to.) has been removed. 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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