110 



CALIFORNIA ACADEMY OF SCIENCES 



[Proc. 4th Ser. 



EXPLANATION OF PLATE 7 



Fig. la. Drillia ocoyana, new species. Type. Natural size. Lower 

 Miocene of Kern River, California. 



Fig. lb. The same. The same locality as fig. la. 



Fig. 2a. Drillia antiselli, new species. Type. Natural size. Lower 

 Miocene of Kern River, California. 



Fig. 2b. The same. Same locality as fig. 2a. 

 . Fig. 3a. Drillia buwaldana, new species. Type. Natural size. Lower 

 Miocene of Kern River, California. 



Figs. 3b and 3c. The same. Same locality as fig. 3a. 



Fig. 4a. Drillia columbiana, new species 

 of northwestern Oregon. 



Fig. 4b. The samie. Same locality as fig. 4a. 



Drillia temblorensis, new species. Type. 



The same. Same locality as fig. 5a. 



Mangilia kernensis, new species. Type 



Type. X2. 01igocene(?) 



Fig. 5a. 

 Fig. 5b. 

 Fig. 6a. 

 as fig. la. 

 Fig. 6b 

 Fig. 7. 



X2. 



X3. Same locality 



Type. X2. Lower Miocene of 



The same. X3. Same locality as fig. la. 



Mangilia howei, new species. Type. X3. Lower Miocene 

 of Kern River, California. 



Fig. 8. Bathytoma condoniana, new species. Type. Natural size. Mio- 

 cene of the Oregon coast, four miles north of Yaquina Bay. 



Fig. 9a. Epitonium williamsoni, new species. Type. Natural size. 



Fig. 9b. The same. Natural size. Same locality as fig. 9a. 



Fiig. 10. Epitonium posoensis, new species. Type. Natural size. Lower 

 Miocene of Kern River. 



Fig. 11a. Amphissa posunculensis, new species. Type. Natural size. 



Fig. lib. The same. Natural size. Same locality as fig. 11a. 



Fig. 12. Cerithium arnoldi, new species. Tj^ipe. Natural size. Lower 

 Miocene of Kern River, California. 



Fig. 13a. Fossarus dalli, new species. Type. X3. Lower Miocene 

 of Kern River, California. 



Fig. 13b. The same. X3. The same locality as fig. 13a. 



Fig. 14a. Nassa linjcolnensis, new species. X2. Type 01igocene(?) 

 of northwestern Oregon. 



Fig. 14b. Nassa lincolnensis, new species. X2. Same locality as 

 fig. 14a. 



Fig. 15a. Niassa blakei, new species. 

 Kern River, California. 



Fig. 15b. The same. X2. Same locality as fig. ISa. 



Fig. 16. Nassa antiselli, new species. Type. X2. Eastern San Luis 

 Obispo County, California. 



Fig. 17. Nassa ocoyana, new species. Type. X2. Lower Miocene of 

 Kern River, California. 



Fig. 18a. Pyramidella cooperi, new species. X2. Type. Lower Mio- 

 cene of Kern River, California. 



Fig. 18b. The same. X2. The same locality as fig. 18a. 



Fig. 19a. Eulimella californica, new species. Type. X3. Lower Mio- 

 cene of Kern River, California. 



Figs. 19b and 19c. The same. X3. 



Fig. 20. Eulimella gabbiana, new species. Type, 

 cene of Kern River, California. 



Fig. 21. Lacuna carpenteri, new species. Type, 

 cene of Kern River, California. 



Fig. 22. Niso antiselli, new species. Type. X3. 

 Kern River, California. 



Fig. 23a. Eulimella ochsneri, new species. Type, 

 cene of Kern River, California. 



Fig. 23b. The same. X3. The same locality as fig. 23ia. 



Fig. 24. Eulimella dilleri, new species. Type. X3. 01igocene(?) 

 of northwestern Oregon. 



X3. Lower Mio- 



X2. Lower Mio- 



Lower Miocene of 



X3. Lower Mio- 



