EXPLANATION OF PLATE 68 

 All figures approximately natural size 

 Pig. 1. Chrysodomus cierboensis, n. sp. Altitude, 48 mm. 

 Fig. 2. Chrysodomus imperialis Dall. Altitude, 37 mm. 

 Fig. 3. Chrysodomus didbloensis, u. sp. Altitude, 25 mm. 

 Fig. 4. Chrysodomus buwaldi, n. sp. Altitude, 26 mm. 

 Fig. 5. Troplion dickersoni, n. sp. Altitude, 20 mm. 



Fig. 6. Troplion dickersoni, n. sp. Spire of specimen somewhat crushed. 

 Altitude, 21 mm. 



Fig. 7. Natica (Euspira) didbloensis, n. sp. Altitude, 43 mm. 



Fig. 8. Thais lima Martyn. Altitude, 27 mm. 



Fig. 9. Cancellaria pdbloensis, n. sp. Cotype. Altitude, 24 mm. 



Fig. 10. Hemifusus dalli, n. sp. Enlarged twice natural size. 



Fig. 11. Cancellaria pdbloensis, n. sp. Type. Altitude, 33 mm. A common 

 species in the Upper San Pablo. 



Fig. 12. Natica (Neverita) pdbloensis, n. sp. Altitude, 39 mm. 



Fig. 13. Natica (Neverita) amoldi, n. sp. Altitude, 39 mm. 



Fig. 14. Natica (Neverita) pabloensis, n. sp. Altitude, 27 mm. 



Fig. 15. Natica (Neverita) amoldi, n. sp. Front view of same specimen as 

 figure 13. 



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