14 



Physa heterostropha, Say. 

 Physa ancillaria, Sai/. 

 Bulinus hypnorum, Lin. 

 Pianorbis trivolvis, Say. 

 Piano rbis lentus, Say. 

 Pianorbis bicarinatus, Say. 

 Pianorbis campanulatus, Say. 

 Pianorbis hirsutus, Gld. 

 Pianorbis deflectus, Say, 

 Pianorbis exacutus, Say. 

 Pianorbis parvus, Say. 

 Pianorbis dilatatus, Gld. 

 Segmentina armigera, Say. 

 Ancylus fuscus, Ad. 

 Ancylus parallelus, Hald. 



* Ancylus borealis, Morse. 



* Acroloxus ovalis, Morse. 



PTEROPODA. 



Cavoliiiidae. 



* Diacria trispinosa, Leu. 



Cyiu1>uliidae. 



* Psyche globulosa, Rang. 



Liiiiaciiiidae. 



* Heterofusus balea, Moll. 



* Heterofusus retroversus, Fleming. 



Clioiiidae. 



* Clione limacina, Phipps. 



CEPHALOPODA. 



Loligopsidae. 



Loligopsis pavo, Les. 



Ouyclioteiithidae. 



Ommastrephes sagittatus, D'Orh. 



I^oligiiiidae. 

 Loligo punctata, DeKay. 

 Loligo Pealei, Les. 



Spii'ulidae. 

 Spirula fragilis, Lam. 



