106 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



EXPLANATION OF PLATE 5 

 All figures natural size 



Fig. l._ Trophon gabbianus Anderson. T3'pe locality, North of Coalinga, 

 California. 



Fig. 2a. Turris carlsoni, new species. Type. Miocene of the Oregon 

 coast, six miles north of Yaquina Bay. 



Fig. 2b. Turris carlsoni, new species. Same locality as fig. 2a. 



Fig. 3a. Bulla cantuaensis, new species. Type. Lower Miocene north 

 of Coalinga, California. 



Fig. 3b. Bulla cantuaensis, new species. Same locality as fig. 3a. 



Fig. 4a. Agasoma acuminatum, new species. Type. 01igocene(?) of 

 northwestern Oregon. 



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



Fig. 5. Trophon oregonensis, new species. Type. Miocene of the 

 Oregon coast, four miles north of Yaquina Bay. 



Fig. 6a. Agasoma columbianum, new species. Type. 01igocene(?) of 

 Pittsburg Bluff, Columbia County, Oregon. 



Fig. 6b. The same. Same locality as fig. 6a. 



Fig. 7. Fusinus empireensis, new species. Type. Empire Formation of 

 Coos Bay, Oregon. 



