ClipArt ETC
"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

Antipatharians

"Structure of Antipatharians. 1. A group of polyps--M. mouth; t., tentacles. 2. Axis without polyps…