EXPLANATION OF PLATE CX. 



CYTHEREIS BASSLERI Ulrich, P- "43 



1-3. Left lateral, anterior and ventral views of a complete cara- 

 pace from the Eocene of Maryland. (After Ulrich.) 



BYTHOCYPRIS PARIUS Ulrich,. P- "44 



4-5. Right lateral, and ventral views of a complete carapace from 

 the Eocene of Maryland. (After Ulrich.) 



6. Inside view of right valve. (After Ulrich.) 



7. Inside view of left valve. (After Ulrich.) 



CYTHERELLA SUBMAKGINATA Ulrich, P- ^45 



8. A left valve showing slight mesial depression and marginal 



rim, from the Eocene of Maryland. (After Ulrich.) 



9. Ventral view of same. (After Ulrich.) 



SCALPELLUM coNRADi Gabb, P- 845 



10. View of a scutal plate. 



Vincentown limesand; near Hurffville, (170)- 

 UNDETERMINED CRUSTACEAN, 



11. Lateral view of one of the leg joints. 



Merchaniville clay-marl; Lenola, (^63). 



HOPLOPARIA GABBI Pilsbry, p. 846 



12. Left propodite, outer face ; the dactylopodite supplied from 



another specimen. 



13. Left propodite, profile view. 



14. Portions of four abdominal segments. 



15. Section of anterior end of same. (All after Pilsbry.) 



Merchantville clay-marl; Lenola, (163). 



HOPLOPARIA GLADIATOR Pilsbry, p. 848 



16. Propodite .with dactylopodite. 



17. Outline of the broken fingers of the same. (Ater Pilsbry.) 



Merchantville clay-marl; Lenola, (163). 



CALLIANASSA CONRADI Pilsbry, p. 851 



18. View of a left propodite. 



Tinton beds; near Freehold, (132). 



19. View of a right propodite. 



Tinton beds; Beers Hill Cut, (i2cf}. 



20. Profile view of left propodite. (After Pilsbry.) 



21. Inner face of same. (After Pilsbry.) 



22. Posterior view of same. (After Pilsbry.) 



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