. Bulletin - United States National Museum. Science. Fig. 19.—Genus Sarsiflustra Jullien, 1903 A-F. Sarsiflustra abyssicola Sars, 1872. A. Portion of colony, frontal face, X25. B. Superior part of a zooeciurn bearing the velum replacing the ovicell. C. Superior part of a zooecium showing the arrangement of the vaginular system, evacuator of the larva. (A-C, after Jullien, 1903); oe, exterior orifice of vagi- nulum; oi, internal orifice of vaginulum; op, operculum; oz, zooecial orifice and tentacular sheath; v, velum; va, vaginulum. D. Zooecia viewed by trans- parency and showing many anatomica


. Bulletin - United States National Museum. Science. Fig. 19.—Genus Sarsiflustra Jullien, 1903 A-F. Sarsiflustra abyssicola Sars, 1872. A. Portion of colony, frontal face, X25. B. Superior part of a zooeciurn bearing the velum replacing the ovicell. C. Superior part of a zooecium showing the arrangement of the vaginular system, evacuator of the larva. (A-C, after Jullien, 1903); oe, exterior orifice of vagi- nulum; oi, internal orifice of vaginulum; op, operculum; oz, zooecial orifice and tentacular sheath; v, velum; va, vaginulum. D. Zooecia viewed by trans- parency and showing many anatomical details. The left hand avicularium is shown open, the right closed, X25 (after Waters, 1889). E. An avicularian mandible to show the internal cavity, X 13. F. A transverse section through the same mandible in its middle part, X23. (After Levinsen, 1909.). 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