PLATE LXIII. 



Page 

 Physetoceinus oenatus (Hall) 597 



Fig. 1. Anterolateral view of a specimen with arms. (Coll. W. and Sp.) 



2. Posterior view of the calyx. (Same collection.) 



3. Ventral aspect, showing annular impression made hy a Capula, which covered 



the anal opening. (Same collection.) 



4. Anterior view of a large, slightly crushed specimen. (Same collection.) 



Physetoceinus Copei (Miller) 598 



5. Side view of large specimen. (Same collection.) 



Physetoceinus venteicosus (Hall) 593 



6. Type of the variety intemodius Hall. (Mus. Comp. Zool.) 



Physetoceinus aspee Meek and Worthen 596 



la. Posterior view of the type specimen. (Mus. Comp. Zool.) 

 lb. Ventral aspect of the same. 



Physetoceinus lobatus W. and Sp 599 



8a. Side view of the calyx. (Coll. W. and Sp.) 

 8b. Ventral aspect of the calyx. (Same collection.) 



Teleioceinus althea (Hall) 632 



9. Lateral view of the type specimen. (Mus. Comp. Zool.) 



