THE MOUNT DESERT EEGION 173 



Odostomia Fleming 

 Odostomia modesta (Stimpson) 



Cremula Iredale 

 Cremula eburnea (Stimpson) 



CouTHOUYELLA Bartsch 



COUTHOUYELLA STRIATULA (Couthouv) 



Epitoniidae 

 Epitonium Bolten 

 Epitoneum (Arctoscala) greenlandicum (Perry) 



Naticidae 



Natica Lamarck 



Natica (Cryptonatica) clausa Broderip and Sowerby 



PoLiNiCEs Montfort 

 PoLiNicES (Euspira) heros (Say) 

 PoLiNicES (Euspira) var. triseriata (Say) 

 PoLiNicES (Euspira) groenlandica (Moller) 

 PoLiNicEs (Euspira) immaculata (Totten) 



Amauropsis Morch 

 Amauropsis islandica (Gmelin) 



Lamellariidae 

 Velutina Blainville 

 Velutina laevigata (Linne) 

 Velutina undata Brown 



Calyptraeidae 

 Crucibulum Schumacher 

 Crucibulum striatum (Say) 



Crepidula Lamarck 

 Crepidula fornicata (Linne) 

 Crepidula glauca Say 



