PLATE LVT. 



Page 

 ACTINOCRINUS DAPHXE (Hall) 574 



Fig. 1. Posterior view of a large specimen. (Coll. W. and Sp.) 



CaCTOCRINUS THALIA (Hall) 604 



2. Specimen with arms, described by Hall as Actinocrinus infrequens. (Mus. 



Comp. Zool.) 



Cactockinus THETIS (Hall) 614 



3. Posterior view of the calyx and anal tube. (Coll. W. and Sp.) 



4. A large specimen with arms. (Same collection.) 



Cactoceinus opusculus (Hall) 607 



5a. Specimen with arms. (Mus. Comp. Zool.) 



56. Calyx, showing the left posterior ray and the anal iuterradius. (Coll. 

 W. and Sp.) 



Cactocrinus multibrachiatus (Hall) 617 



6. Antero-lateral view of the calyx. (Coll. W. and Sp.) 



7. Posterior view of another specimen. (Same collection.) 



Cactocrinus lucina (Hall) 603 



8. Anterior view of a specimen with arms. (Mus. Comp. Zool.) 



9. Posterior side of the calyx ; from near Louisiana, Mo., described by Eowley 



and Hare as Actinocrinus jmteatus. (Coll. E. K. Rowley.) 



Cactocrinus ectypus (Meek and Worthen; 611 



10. Side view of a large specimen. (Coll. W. and Sp.) 



Actinocrinus gracilis W. and Sp 572 



11. A specimen with arms (j^). (Mus. Comp. Zool.) 



