EXPLANATION OF PLATE XXV. 
FASCIOLARIA, sf. (Mus. No. P 5941.) 
Fig. 1. Cast of a small specimen. 
Fig. 3. Cast of a larger specimen. 
Fusus, sf. (Mus. No. P 5942.) 
Fig. 2. Cast of small specimen. 
Fig. 5. Cast of type specimen. 
Figs. 4 and 6. Views of an indeterminable Gastropod. 
OSTREA BELOITI, 2. sf. (Mus. No. P 5944.) 
Fig. 7. Interior view of left valve. 
Fig. 8. Interior view of right valve. 
