TLATE XXIV. 



Fnpo. 



TAPES CYrRIMERIFORMIS n. sp 106 



Nat. Mus.Cat. Invert. Foss., 22890. 

 Fig. 1. Right valve of a large specimen. 



2. Dorsal view of same. 



3. Loft valve of a more convex example. 



4. Dorsal view of same. 



5. Interior of left valve, from gntta-percha mold of natural east sup- 



plemental by specimens of the shell. 



6. Interior of right valve obtained in same manner as preceding. 

 Callista (Am rodin a?) tenuis H. & M 100 



Figs. 7, 8. Two views of one of the types (alter Meek). 



CAIXISTA (DOSINIOPSltff ) orbiculata H. & M 108 



Figs. 9, 10. Two views of one of the typos (after Meek). 



Legumen? sp 107 



Fig. 11. Cast of left valve. 



Nat. Mus. Cat. Invert. Foss., 22891. 



240 



