378 CALIFORNIA ACADEMY OF SCIENCES. 



EXPLANATION OF PLATE VIIL 



Fig. I. Mavgilia pamei, sp. nov. Lower San Pedro series, Deadman Island. Type 



specimen. Longitude 12.5 mm ; X3-4. 214 



Fig. 2. Palndestrina curia, sp. nov. Lower San Pedro series, San Pedro. Type specimen. 



Longitude 3.8 mm.; X7. 305 



Fig. 3. Paludestrina stokesi, sp. nov. Lower San Pedro series, San Pedro. Type speci- 

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



Fig. 4. Dentalium indianonim 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. C{zciim californicum Dall. Lower San Pedro series, Deadman Island. Longitude 



2.9 mm.; X5.8. 297 



Fig. 7. Dri/lia merriatni, 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. Eiipleura murici/ormis var. curia, var. nov. Upper San Pedro series, San Pedro. 



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



Fig. 10. Ccscum crebricinctian Carpenter. Lower San Pedro series, San Pedro Bluff. 



Longitude 5.5 mm.; X6. 298 



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



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



Fig. 12. Dentalium pse^idohexagonum Dall. Lower San Pedro series, Deadman Island. 



Longitude 15.5 mm. ; X3' 186 



Fig. 12a. 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. Bela saiicta-mottica, sp. nov. Lower San Pedro series (Pleistocene), Port Los 



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



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

 gitude 10 mm.; X3.3- 187 



Fig. 16. CcBcum inagnum Stearns. Lower San Pedro series, Deadman Island. Longitude 



4.7 mm.; X5-3- 298 



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



apex broken olT. Longitude 29 mm. ; X2. 206 



Fig. 18. Haininca virescens .Sowerby. Upper San Pedro series, San Pedro. Longitude 



7 mm.; X3-25- '94 



