32 Bulletin 24 70 



PLATE 4 (II) 



Page 



Fig. 1. Pecten {Pecten) smithi, n. sp n 49 



Left valve enlarged about twice, type. 



2. A smaller specimen of the same. 



3. Erycina regifica, n. sp * 17 55 



Exterior of right valve of type, enlarged about 3 

 times. 



4. Exterior view of left valve of same. 



5. Interior view of right valve of type. 



6. Interior view of left valve of type. 



7. Petricola ( Claudtconcha) grinnelli, n. sp 16 54 



Exterior view of left valve of type, enlarged about 



1 y z times. 



8. Interior view of same specimen. 



9. Exterior view of right valve of type. 



10. Interior view of same specimen. 



11. Nassa cdrnelliana, n sp 7 45 



Ventral view of type, enlarged about 5 times. 



12 Modiolus pulchellus, n. sp 12 50 



Exterior view of right valve, enlarged about 3 times. 



13. A smaller left valve. 



14. A right valve of another specimen. 



