. Elementary text-book of zoology. Zoology. SCYPHISTOMA, 8TROBILA, EPHYRA. 125 anterior part of the body, giving rise to a series of segment-like divisions. The anterior part of the body bearing the tentacles is first marked off; and following this a greater or less number of sections, the new segments appearing continuously in the direction from before backward. The hindermost or basal swollen club-shaped end of the polyp's body remains undivided. The Scyphistorna has. FIG. 113.—e, Stage of Scyphistorna with sixteen arms (slightly magnified); Giv. gastric ridges. /, Commencing strobilization.


. Elementary text-book of zoology. Zoology. SCYPHISTOMA, 8TROBILA, EPHYRA. 125 anterior part of the body, giving rise to a series of segment-like divisions. The anterior part of the body bearing the tentacles is first marked off; and following this a greater or less number of sections, the new segments appearing continuously in the direction from before backward. The hindermost or basal swollen club-shaped end of the polyp's body remains undivided. The Scyphistorna has. FIG. 113.—e, Stage of Scyphistorna with sixteen arms (slightly magnified); Giv. gastric ridges. /, Commencing strobilization. now become the Strobila, which itself passes through various developmental phases. The tentacles abort; the successive segments, separated from each other by constrictions and provided with lobe- like continuations and marginal bodies, become transformed into small flat discs, which become separate, and, as Ej)kt/rce, represent the larvae of the Scyphomedusse (fig. 113 b-li).. 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 Claus, Carl, 1835-1899; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. New York : Macmillan


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884