PLATE LYI. 



Page 

 ACTINOCRIXCS DAPHNE (Hall) 574 



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



CaCTOCRINUS THALIA (Hall) G04 



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



Comp. Zool.) 



Cactoceinus THETIS (Hall) 614 



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



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



Cactockinus opusculus (Hall) 607 



Off. Specimen with arms. (Mus. Comp. Zool.) 



bh. Calyx, showing the left posterior ray and the anal interradius. (Coll. 

 W. and Sp.) 



Cactocrinus jiultibrachiatus (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 2>uteatus. (Coll. R. R. Eowley.) 



Cactocrixus 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.) 



