EXPLANATION OF PLATE 65 



Fig. 1. Cerithiopsis turneri, n. sp. Altitude, 15 mm. Enlarged nearly twice 

 natural size. 



Fig. 2. Cerithiopsis turneri, n. sp. Altitude, 10 mm. Enlarged nearly twice 

 natural size. 



Fig. 3. Bittium trampasensis, n. sp. Altitude, 7 mm. Enlarged twice nat- 

 ural size. 



Fig. 4. Bittium, sp. A. Altitude, 2 mm. Enlarged about twice natural size. 



Fig. 5. Bittium trampasensis, n. sp. Enlarged twice natural size. 



Fig. 6. Tegula (Chlorostoma) nashi, n. sp. View of base. The color mark- 

 ings show plainly on this specimen. Natural size. 



Fig. 7. Tegula (Chlorostoma) nashi, n. sp. Same specimen as figure 6. 

 Altitude, 12 mm. Natural size. 



Fig. 8. Nasa pabloensis, n. sp. Altitude, 15 mm. Enlarged twice natural 

 size. 



Fig. 9. Nassa pabloensis, n. sp. Altitude, 16 mm. Enlarged twice natural 

 size. 



Fig. 10. Bittium? pabloensis, n. sp. Altitude, 16 mm. Enlarged nearly twice 

 natural size. 



Fig. 11. Leptothyra danvillensis, n. sp. Altitude, 9 mm. Enlarged nearly 

 twice natural size. 



Fig. 12. Leptothyra danvillensis, n. sp. Altitude, 11 mm. Enlarged nearly 

 twice natural size. 



Fig. 13. Littorina remondii Gabbi. Altitude, 11 mm. Enlarged nearly twice 

 natural size. 



Fig. 14. Calliostoma bicarinatum, n. sp. Cotype. Altitude, 5 mm. Enlarged 

 a little over twice natural size. 



Fig. 15. Astralium raymondi, n. sp. Cotype. Altitude, 14 mm. Natural size. 



Fig. 16. Astralium raymondi, n. sp. Type. Altitude, 38 mm. Natural size. 



Fig. 17. Tegula (Chlorostoma) danvillensis, n. sp. Altitude, 7 mm. Nat- 

 ural size. 



Fig. 18. Tegula (Chlorostoma) danvillensis, n. sp. Base of same specimen 

 as figure 17. Natural size. 



Fig. 19. Calliostoma bicarinatum, n. sp. Type. Altitude, 15 mm. 



Fig. 20. Gadina reticulata Sowerby. Altitude, 22 mm. Natural size. 



Fig. 21. Calliostoma splendens, var. diabloensis, n. var. Enlarged twice nat- 

 ural size. 



Fig. 22. Littorina pittsburgensis, n. sp. Altitude, 12 mm. Enlarged twice 

 natural size. 



Fig. 23. Calytraea filosa Gabb. Altitude, 14 mm. Natural size. 

 Fig. 24. Calytraea flosa Gabb. Tcp view of same specimen as figure 23. 

 Natural size. 



Fig. 25. Cerithiopsis bolingerensis, n. sp. Altitude, about 7 mm. Enlarged 

 twice natural size. 



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