171 
lowish, Isbi^l tGntaclss brown (1 spGcimGn). Column brown-grayish, 
outer marginal tentacløs pale brown shading off into carminø, inner 
Ml 
Figs. 1, 2. Cerianthus riliformis. Diagrams of the arrangement of the mesenteries. 
larginal tentacles paler, oral disc and labial tentacles brown, ac- 
inopharynx pale brown (1 specimen). Column gray, in the prox- 
^^al part grayish-brown, the tentacles, oral disc, and actinopharynx 
