Meloceinus Eoemeei W. and Sp 301 



Fig. 11a. Lateral view of calyx. (Same collection.) 

 lib. Ventral aspect of same specimen. 



Meloceinus oblongus W. and Sp 300 



12. The type specimen; lateral view. (Coll. W. and Sp.) 



Maceostyloceinus fasciatus Hall 288 



13. Lateral view of calyx <}*). (Coll. W. and Sp.) 



Maceostyloceinus steiatus Hall 287 



14a. Lateral view of calyx (p). (Same collection.) 



lib. Posterior view of andther specimen (}*). (Same collection.) 



14c. The basals. 



Maceostyloceinus granulosus Hall 289 



15a. Lateral view of calyx (j 5 ). (Coll. W. and Sp.) 

 lob. Anal view of same specimen. 



Maceostyloceinus Meeki (Lyon) 290 



16a. The type specimen; lateral view. (Coll. Borden Institute, New Provi- 

 dence, Ind.) 

 16b. Dorsal aspect of calyx. (Coll. Sidney S. Lyon.) 



