PLATE XLV. 



Page 



Aobocbinus badiatus W. and Sp 472 



Fig. 1. A specimen with arms ; anterior side. 



Aoeoceinus helice (Hall) 481 



2. Posterior view of the type specimen. (After Hall.) 



Aoeoceinus paevibasis W. and Sp 473 



3a. Specimen with arms from the anterior side. 

 35. Posterior view of the calyx. 



Aoeoceinus immatueus W. and Sp 471 



4a. Lateral view of specimen with part of the arms, and portions of stem and 



cirri preserved. 

 45. Posterior view of another specimen. 



AoEOCBINUS HELICE (?) 481 



5. Anterior view; from a gutta-percha cast made in the natural mould. 



Aoeoceixus canaliculatus M. and W 475 



6a. Anterior view of the type specimen. (After Meek and Worthen.) 

 65. Posterior view of the same. (After Meek and Worthen.) 



Aoboceinus subaculeatus (Hall) 476 



7a. Anterior view of the calyx. 



lb. Posterior side of the same. (After Hall.) 



Dobycbinus unicoexis (0. and Sh.) 468 



8a. Anterior view of a specimen with arms. 



85. The same view of a smaller specimen with part of the stem. 



8c. Ventral aspect of a large calyx. 



So\ Dorsal aspect of another large calyx. 



8e. Anterior view of a young specimen. 



9. Posterior view of the form described by Hall as Actinocrinus tricornis. 



10. The form described by Hall as Actinocrinus pendens ; anal side. 



Aoeoceinus paevus (Shumard) 477 



11a. Specimen with arms and stem. 



115. Posterior side of calyx of a large specimen. 



