REPORT OF COMMISSIONERS OF INLAND FISHERIES. 



Bittium nigrum, Stimpson. 

 Bittium greenii, Adams. 

 Cerithiopsis terebralis, Adams. 

 Cerithiopsis emersonii, Adams. 

 Littorinidce. 



Lacuna divaricata, Fabricius. 

 Littorina irrorata, Say. 

 Littorina littorea, Linnaeus. 

 Littorina palliata, Say. 

 Littorina tenebrosa, Mont. 

 Vermetidce. 



Vermetus radicula, Stimpson. 

 Coecidce. 



Coecum cooperi, Smith. 

 Coecum pulchellum, Stimpson. 

 Rissoidce. 



Littorinella aculeus, Gould. 

 Littorinella exarata, Stimpson. 

 Littorinella minuta, Totten. 

 Hydrohiidce. 



Amnicola limosa, Say. 

 Skeneidce. 



Skenea planorbis, Fabicius. 

 Carpulidce. 



Crepidula convexa, Say. 

 Crepidula fornicata, Say. 

 Crepidula, plana, Say. 

 Crucibulum striata, Say. 

 Naticidce. 



Lunatia heros, Say. 

 Lunatia triserrata, Say. 

 Natica pusilla, Say. 

 Neverita duplicata, Say. 

 Mamma immaculata, Totten. 



