PLATE LIV. 



Page 



ACTINOCKINUS JUGOSUS Hall 



Fig. 1. Posterior side of a large calyx. (Coll. L. A. Cox.) 



AcTixocEisus LowEi Hall 



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



ACTIXOCRINUS LOBATUS Hall 



3. Anterior view of a specimen with arms. (JIus. Comp. Zool.) 



AcTixocRiNUs TRijuGis (S. A. Miller) ' ^ 



4a. Posterior view of the calyx. (One of the type specimens; in the Coll. of 



F. A. Sampson.) 

 4/;. Ventral aspect of the same specimen. 



Cactocrinus glans (Hall) 



5. Posterior view of the calyx. (Coll. W. and Sp.) 



6a.. Lateral view of a less nodose specimen. (Same collection.) 



Qb. Another view of the same specimen. 



7. Hall's type of Actinocrinus enjx. (Mus. Comp. Zool.) 



Amphoracrinus vimixalis (Hall) 



8. Specimen with arms. (Coll. W. and Sp.) 



