. Bulletin - United States National Museum. Science. nnnTiv ^. 4 Pigs. 1-5.—Molgula viteea Sluiter. 1, Left and right sides of body, x 2. 2. Net- work OF MUSCLE BANDS ON MANTLE. X 2. 3, TENTACLE. X 15. 4, PART OF BRANCHIAL SAC. X 20. 5, LEFT GONAD AND OUTLINE OF INTESTINAL LOOP. SEEN FROM SIDE NEXT TO BRANCHIAL SAC. X 10. (FOR LETTERING SEE PAGE 68.) in the space between adjacent transverse vessels. It would perhaps better describe the condition to say that the folds each consist of a row of such infundibula. Stigmata long and narrow, arranged on these infundibula in quite regular spirals. Som
. Bulletin - United States National Museum. Science. nnnTiv ^. 4 Pigs. 1-5.—Molgula viteea Sluiter. 1, Left and right sides of body, x 2. 2. Net- work OF MUSCLE BANDS ON MANTLE. X 2. 3, TENTACLE. X 15. 4, PART OF BRANCHIAL SAC. X 20. 5, LEFT GONAD AND OUTLINE OF INTESTINAL LOOP. SEEN FROM SIDE NEXT TO BRANCHIAL SAC. X 10. (FOR LETTERING SEE PAGE 68.) in the space between adjacent transverse vessels. It would perhaps better describe the condition to say that the folds each consist of a row of such infundibula. Stigmata long and narrow, arranged on these infundibula in quite regular spirals. Sometimes at least they form double spirals approaching the condition found in the genus Eugyra, but less regular, and occasionally interrupted. Some of the infundibula show a tendency to divide into an anterior and a pos- terior apex. On the intervals between folds the stigmata are also long and often form curves, hooks, and occasionally incipient spirals. A few delicate radial vessels cross the stigmata. Internal longitu- dinal vessels rather broad and quite thin. They are confined to the folds; eight or nine on a fold were counted in some cases, but this number is probably exceeded on the higher 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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