PLATE VIII. 



Fig. 44c. — Continuation of series 44. Taken through the region where the edge of the hood passes into the collar 



wall, i Ob. <4 0e. Camera. X 300. 

 Fig. 44(7. — Continuation of series 44. Taken through the middle of the collar segment. J Ob. X -1 Oc. Camera. 



X 300. 

 Fig. 44c — Continuation of series 44. Taken through the bases of the ventral tentacles of the collar, i Ob. X 4 Oe. 



Camera. X 300. 

 Fig. 44/. — Continuation of series 44. Taken immediately posterior to that of tig. 44c. i Ob. x4 Oc. Camera. 



X 300. 

 Fig. 44'/. — Continuation of series 44. Taken in the anterior part of the trunk segment. J Ob. X S Oc. Camera. 



■ 480. 

 Fig. 44/i. — Continuation of series 44. Taken through the rectum, i Ob. X 8 Oc. Camera. X 480. 

 Fig. 44/. — Continuation of series 44. Taken through the anterior part of the perianal ring. }, Ob. X 8 Oc. 



Camera. X 4S0. 

 Fig. 44/. — Continuation of series 44. Taken through the posterior part of the perianal ring. ^ Ob. X 8 Oc. 



Camera. X 4S0. 

 1311 



