Plate V. 



Transverse sections through the body-wall, figs, i, 3 — 7 in the region of the oesophagus. Entoderm not 



drawn in figs. 3, 5, 6. 



Fig. 1 of Epizoantlms danielsseni (from Spitsb. Exp. St. 42) +/ 3 1 . 



— 2 - norvegicus, capitular region (Trondbjem Fjord, Ostergren) 4/ 3 . 



3 - ( ) Vs- 



— 4 of Epizoantlms crdmanni (Lyngen, Nordgaard) 4/ v 



5 - var. aurivilli (Finmarken, Goes & Malmgren) +/ 3 . 



— 6 - — roseus 4/ 3 . 



— 7 - — abyssorum 4/ 3 . 



> a. pi. in. 



