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. I of Epizoaiithus danielsscni (from Spitsb. Exp. St. 42) V-, '• 



— 2 - — norvegicus, capitular region (Trondhjeni Fjord, Ostergren) 4/^. 



— 3 - - - ( - _ _ ),/3. 



— 4 of Epizoanthus crdmanni (Lyngen, Nordgaard) 4/,. 



— 5 " — — var. aurivilli (Finmarken, Goes & Malmgren) 4/,. 



— 6 - — foseus 4/j. 



— 7 - — abyssorum 4/^. 



■ Cf. PI. III. 



