PLATE XXXVIII. 



Page 



Agaeicoceinus convexus (Hall) ............ 508 



Fig. la. Side view of the calyx, and portions of the arms. 

 1 b. Ventral aspect of the calyx. 



Agaeicoceinus beevis (Hall) 511 



2a. A fine specimen with arms. 

 2b. Ventral aspect of the calyx. 

 2c. Posterior side of the calyx. 

 2d. Dorsal aspect of the calyx. 

 2e. Side view of the calyx. 



Agaeicoceinus fiscellus (Hall) 512 



3a. Dorsal view of the calyx. 



3b. Ventral aspect of the same specimen. 



3c. Postero-lateral side of same. 



Agaeicoceinus pyeamidatus (Hall) 512 



ia. Specimen with arms. 



45. Dorsal aspect of the calyx. 



4c. Ventral aspect of the calyx. 



5a. Posterior side of a young specimen. 



5b. Dorsal view of same. 



5c. Ventral aspect of same. 



Agaeicoceinus planoconvexus (Hall) 503 



6a. Dorsal view of the calyx. 



6b. Side view of another specimen. 



6c. Ventral aspect of same. 



Agaeicoceinus stellatus Hall 508 



la. Dorsal view of a specimen with arms. 



lb. A small specimen with arms. 



7c. Dorsal aspect of the calyx. 



Id. Another specimen, showing the anal side. 



le. The same, showing the ventral aspect of the calyx. 



(All figures from specimens in the collection of Wachsmuth and Springer.") 



