EXPLANATION OF PLATE 67 

 All figures approximately natural size 

 Fig. 1. Chryodomus, sp.? Altitude, 33 mm. 



Fig. 2. Murex (ocinebra) selbyensis, n. sp. A common species in the Lower 

 San Pablo. Altitude, 35 mm. 



Fig. 3. Bursa trampasensis, n. sp. Altitude, 60 mm. 



Fig. 4. Murex (Ocinebra) dalli, n. sp. A common species in the Upper San 

 Pablo. Altitude, 23 mm. 



Fig. 5. Murex (Ocinebra) selbyensis, n. sp. Altitude, 18 mm. 



Fig. 6. Siphonalia pabloensis, n. sp. Altitude, 32 mm. 



Fig. 7. Murex (Ocinebra) selbyensis, n. sp. Altitude, 17 mm. 



Fig. 8. Chrysodomus pabloensis, n. sp. Type. Altitude, 59 mm. 



Fig. 9. Murex (Ocinebra) dalli, n. sp. Altitude, 29 mm. 



Fig. 10. Trophon lawsoni, n. sp. Altitude, 92 mm. 



Fig. 11. Trophon lawsoni, n. sp. Top view of another specimen showing 

 character of varices. 



[564] 



