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“Structure of Antipatharians. 1. A group of polyps--M. mouth; t., tentacles. 2. Axis without polyps and coenenchyma, covered with spines (Sp.). 3. Vertical section of polyp--A., axis; t., tentacle; g., gullet; m., mesentery; o., ovary; m.f., mesenteric filaments. 4. Cross section of a polyp--EC., ectoderm; M., mesogloea; EN., endoderm; G., gullet; MS., mesenteries.” -Thomson, 1916


J. Arthur Thomson, M.A., LL.D. Outlines of Zoology (New York, NY: D. Appleton & Company, 1916)


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