"Carmarina (Geryonia) hastata, one of the Trachomedusae. a, nerve-ring; a', radial nerve; b, tentaculocyst; c, circular canal; e, radiating canal; g'', ovary; h, perenia or cartilaginous process ascending from the cartilaginous margin of the disc centripetally in the outer surface of the jelly-like disc; six of these are perradial, six interradial, coresponding to the twelve solid larval tentacles, resembling those of Cunina; k, dilatation (stomach) of the manubrium; l, jelly of the disc; p, manubrium; t, tentacle (hollow and tertiary, i.e., preceded by six perradial and six interradial solid larval tentacles); u, cartilaginous margin of the disc covered by thread-cells; v, velum." — Encyclopedia Britannica, 1893

Carmarina

"Carmarina (Geryonia) hastata, one of the Trachomedusae. a, nerve-ring; a', radial nerve; b, tentaculocyst;…

"Diagram of a vertical section of Carmarina hastata, passing on the right through the whole length of a radiating canal, and on the left through the outspread lobe of an ovary. l, gelatinous substance of the disc and gastric ovaries; k, stomach (dilation of the manubrium); Z, tongue-like process of the gelatinous substance; h, cartilaginous process ascending from the marginal ring at the site of a tentaculocyst; c, circular canal; b, tentaculocyst; v, velum; uk, cartilaginous marginal ring." — Encyclopedia Britannica, 1893

Carmarina

"Diagram of a vertical section of Carmarina hastata, passing on the right through the whole length of…