212 CALIFORNIA ACADEMY OF SCIENCES TPkoc. jd Ser. 



EXPLANATION OF PLATE XV. 



Page 

 Cancellaria dalliana n. sp. 199 



Figs. 39-42. 

 Cancellaria pacifica n. sp. 199 



Figs. 43-45- 

 Cancellaria joaqiiinensis n. sp. 199 



Figs. 46-48. 

 Cancellaria condoni n. sp. 200 



Figs. 49-50- 

 Cancellaria simplex n. sp. 200 



Figs. 51-52. 

 Oliva fiUheyana n. sp. 201 



Fig. 53- 

 Oliva calif ornica n. sp. 201 



Figs. 54-55- 

 Scaphander jttgularis Conrad 201 



Figs. 56-57. 

 Conns oweniana n. sp. 201 



Figs. 58-59- 

 Pleurotoma {Clalhurella) dumbleiw. sp. 204 



Figs. 60-61. 

 Purpura lima Martyn. 202 



Figs. 62-63. 



