ClipArt ETC
"Sections of types Coelenterates (diagrammatic): 1 (longitudinal) and 2 (transverse) of a tubular hydroid; 3, Sea Anemone (longitudinal); 4, same (transverse, at the level of the upper dotted line); 5, same (transverse section of same at the level of the dotted line. The continuous line is ectoderm, the broken line, entoderm, and the stippled portion, mesenchyma. c.c., circular canal; g, gullet; g.v., gastro-vascular cavity; m, mouth; ma., manubrium; mes., mesentery; mes.1, directive mesentery; o, ostium; r.c., radial canal; t, tentacle; v, velum." -Galloway, 1915

Cnidaria

"Sections of types Coelenterates (diagrammatic): 1 (longitudinal) and 2 (transverse) of a tubular hydroid;…

"Diagram of a vertical section through a young Cunina rhododactyla, passing on the right side through a radiating pouch. b, tentaculocyst; c, circular canal; g, ovary; h, marginal cartilage and connecting process springing from a tentaculocyst (otoporpa); k, stomach; t, jelly of the disc; r, radiating canal or pouch; tt, tentacle (solid, cartilaginous); tw, tentacle root; v, velum." — Encyclopedia Britannica, 1893

Cunina Rhododactyla

"Diagram of a vertical section through a young Cunina rhododactyla, passing on the right side through…

"Structure of a Medusoid. ST., Stomach; M., manubrium; V., velum; T., tentacle; C.C., circumference canal; G., gonad; R.C., radial canal; EN., endoderm; EC., ectoderm; MG, mesogloea." -Thomson, 1916

Medusoid Structure

"Structure of a Medusoid. ST., Stomach; M., manubrium; V., velum; T., tentacle; C.C., circumference…

"Velum, a curtain. Curtains were used in private houses as coverings over doors, or they served in the interior of the house as substitutes for doors." &mdash Smith; 1873

Velum

"Velum, a curtain. Curtains were used in private houses as coverings over doors, or they served in the…

"The <em>B. velum</em> is very elegant, and of a light-brown color; the apex and base are both white, bordered with dark brown bands." &mdash; Goodrich, 1859

Bulla velum

"The B. velum is very elegant, and of a light-brown color; the apex and base are both white,…