378 CALIFOENIA ACADEMY OF SCIENCES. 



EXPLANATION OF PLATE VIIL 



Fig. I. Mangilia painei, sp. nov. Lower San Pedro series, Deadman Island. Type 



specimen. Longitude 12.5 mm ; X3.4. 214 



Fig. 2. Paludestrijia curta, sp. nov. Lower San Pedro series, San Pedro. Type specimen. 



Longitude 3.8 mm.; X7. 305 



fig- 3- Paliidestrina stokesi, sp. nov. Lower San Pedro series, San Pedro. Type speci- 

 men. Longitude 4.6 mm.; X 5 4. 305 



Fig. 4. Dentalium indianoruni CARPENTER. Lower San Pedro series, Deadman Island. 



Longitude 38 mm.; natural size. 186 



Fig. 5. Drillia renaiidi, sp. nov. Lower San Pedro series, Deadman Island. Type speci- 

 men. Longitude 16 mm.; X3. 208 



Fig. 6. CcBciim californicum Dall. Lower San Pedro series, Deadman Island. Longitude 



2.9 mm.; X5.8. 297 



Fig. 7. Drillia vierriami, sp. nov. Lower San Pedro series, Deadman Island. Type 



specimen. Longitude 14 mm.; X3-2. 207 



Fig. 8. Bulla quoyi Gray. Upper San Pedro series, San Pedro. A young specimen. 



Longitude 8 mm.; X3- '93 



Fig. 9. Eupleura muriciforniis var. curta, var. nov. Upper San Pedro series, San Pedro. 



Type specimen. Longitude 15 mm.; X3.2. 249 



Fig. 10. Ccecum crebridnctuni Carpenter. Lower San Pedro series, San Pedro Bluff. 



Longitude 5.5 mm.; X6. 298 



Fig. II. Lacuna solidula (Loven) Carpenter. Upper San Pedro series, San Pedro. A 



somewhat decorticated specimen. Longitude 10 mm.; X2.5. 303 



Fig. 12. Dentalium pseudohexa^onum Dall. Lower San Pedro series, Deadman Island. 



Longitude 15.5 mm. ; X3- 186 



Fig. \2a. Sectional view of same; X3- 186 



Fig. 13. Drillia pudica Hinds. Upper San Pedro series, San Pedro. Longitude 11 mm.; 



X3-5- 208 



Fig. 14. Beta saticta-monicce, sp. nov. Lower San Pedro series (Pleistocene), Port Los 



Angeles. Type specimen. Longitude 12 mm.; X3. 210 



Fig. 15. Cadulus niteutior Carpenter. Lower San Pedro series, Deadman Island. Lon- 

 gitude 10 mm.; X3.3- '87 



Fig. 16. Ccecum magnum Stearns. Lower -San Pedro series, Deadman Island. Longitude 



4.7 mm.; X5-3- 298 



Fig. 17. Drillia johisoni, sp. nov. Upper San Pedro series, San Pedro. Type specimen, 



ape.\ broken off. Longitude 29 mm. ; X2. 206 



Fig. 18. Haminca virescens SovvERBY. Upper San Pedro series, San Pedro. Longitude 



7 mm.; X3.25. 194 



