396 



ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOL. 19 



Mollusca on photographic records 

 from the leeward side of Santa Catalina Island, 

 showing order of occurrence in 22.5 to 268 f ms . 



Compsomyax subdiaphana 

 Conus californicus 

 Pecten sp. 



Amygdalum pellucidum 

 Cadulus tolmiei 

 gastropods 

 Nemocardium sp. 

 pelecypods 

 Balcis sp. 

 chiton 



Cyclopecten sp. 

 Nassarius sp. 

 seaslug 

 Tellina sp. 

 Axinopsida serricata 

 Crystal lophrisson sp. 

 Dacrydium pacif ica 

 turret -top 

 Cadulus sp. 

 Protochaetoderma sp. 

 scaphopod 



