Hydromedusa
“Diagram showing possible modifications of the persons of a Calyptoblastic Hydromedusa. a, hydrocaulus (stem); b, hydrohiza (root); c, enteric cavity; d, endoderm; e, ectoderm; f, perisarc (horny case); g, hydranth (hydriform person) expanded; h, hypostome, bearing mouth at its extremity; i, the horny cup or hydrotheca of the hydriform persons; l, medusiform person springing from n, a modified hydriform person (blastostyle); n, the norny case or gonandium enclosing the blastostyle and its buds. This and the hydrotheca i give origin to the name Calyptoblastea.” — Encyclopedia Britannica, 1893
Keywords
Ectoderm, Endoderm, Enteric, Hydromedusa, Gymnoblastic, Hydrocaulus, Hydrohiza, Perisarc, Hydranth, HypostomeGalleries
Corals and Sea AnemoneSource
The Encyclopedia Britannica, New Warner Edition (New York, NY: The Werner Company, 1893)
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