136 



THE NAUTILUS. 



Odostomia astricta D. & B. 

 " avellana Cpr. 

 *' delmontensisBartsch. 

 " gouldi Cpr. 

 " helga D. & B. 

 " nuciformis Cpr. 



" straminea Cpr. 

 Odostomia straminea grippi D. 

 & B. on Haliotis assimilis Dall. 



Odostomia straminea insculpta 

 Cpr. 



Odostomia valdezi D. & B. 

 Odostomia virginalis D. &. B. 

 Pyramidella conica Cpr. 

 Lacuna unifasciata Cpr. 

 Fossarus fenestratus Cpr. 

 Fossarus obtusus Cpr. 

 Alabina californica Dall. 

 Bittium asperum Cpr. 

 " armillatum Cpr. 

 " esuriens Cpr. 

 " interfossa Cpr. 

 " quadrifilatum Cpr. 

 Seila assimilis C. B. Ad. 

 Cerithiopsis metaxae Cliiaje. 

 Cerithiopsis tuberculata Mont. 

 Triforis adversa Mont. 

 Rissoina bakeri D. & B. 

 Rissoina kelseyi Dall. 

 Barleeia subtennis Cpr. 

 Rissoa grippiana Dall. 

 Rissoa reticulata Cpr. 

 Liotia acuticostata Cpr. 

 Liotia fenestrata Cpr. 

 Phasianella compta Gld. 

 Phasianella puUoides Cpr. 



Eulithidium cyclostoma Cpr. 



Eulitbidium substriatum Cpr. 



Pachypoma inaequale Mart. 



Pomaulax undosus Wood. 



Chlorostoma aureotinctum Fbs. 



Chlorostoma pulligo Mart. 



Gibbula parcipicta Cpr. 



Gibbula optabilis Cpr. 



Leptotbyra carpenteri Pils. 



Leptothyra bacula Cpr. 



Turcica cafFea Gabb. 



Halistyluspupoides Dall. 



Halistylus subpupoides Tryon. 



Vitrinella complanata Cpr. 



Vitrinella subplana Cpr. 



Norrisia norrisii Sby. 



Calliostoma gemmulatum Cpr. 



Calliostoma gloriosum Dall. 



Calliostoma canaliculatum par- 

 vum Williamson. 



Calliostoma supragranosum Cpr. 



Calliostoma tricolor Gabb. 



Calliostoma turbinum Dall. 



Haliotis assimilis Dall.® 



Haliotis rufescens Swains. 



Fissuridea aspera Esch. 



Puncturella cooperi Cpr. 



Puncturella cucullata Gld. 



Emarginula bella Gabb. 



Lepidopleurus (Oldroydia) per- 

 crassus Dall. 



Chaetopleura gemmea Cpr. 



CallistochitoncrassicostatusPils. 



Ischnocbiton clathratus Rve. 



Ischnocbiton cooperi acutior 

 Cpr. 



® Four live specimens found on rocks hauled up in the dredge. Of H. rufes- 

 cens I got one specimen attached to lobster trap. 



