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…

"Corallium rubrum, a corner of a colony. A., Anthocodia or retractile portion of a polyp; r.p., completely retracted polyp, with the verruca or calyx portion left protruding; C., coenenchyma; T., pinnate tentacles." -Thomson, 1916

C. Ruburm

"Corallium rubrum, a corner of a colony. A., Anthocodia or retractile portion of a polyp; r.p., completely…

"Hydroids. IV A. Campanularian. IV B. A fragment enlarged, showing stalked hydrothecae (H.), a gonotheca (G.); C., the coenenchyma; P., the perisarc; S., a stalk." -Thomson, 1916

Campanularian Hydroid

"Hydroids. IV A. Campanularian. IV B. A fragment enlarged, showing stalked hydrothecae (H.), a gonotheca…