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"Tentaculocyst and marginal lappets of Aurelia aurita. In the lefthand figure-ML, marginal lappets; T, tentaculocyst; A, superior or aboral surface, magnified about 50 diameters. In the right-hand figure-A, superior or aboral olfactory pit; B, inferior or adoral olfactory pit; H, bridge between the two marginal lappets forming the hood; T, tentaculocyst; End, endoderm; Ent, canal of the enteric system continued into the tentaculocyst; Concendodermal concretion; oc, ectodermal pigment (ocellus). The drawing represents a section, taken in a radial vertical plane so as to pass through the long axis of the tentaculocyst." — Encyclopedia Britannica, 1893

Aurelia Aurita

"Tentaculocyst and marginal lappets of Aurelia aurita. In the lefthand figure-ML, marginal lappets;…