562 



Animals in Massachusetts. 



4 



Physa Drapar. 



one or more species. 

 Lymnea Lam. 



3 or more species. 

 Paludina Lam. 



decisa, Say. 

 Natica Brug. 



duplicata, Say. 



heros, Say. 



triseriata, Say. 

 Scalaria Lam. 



one or more species. 

 Turbo Lin. 



palliatus, Say. 



obligatus, Say. 



vestita, Say. 



inoratus, Say. 



rudis, Say. 



one or more other species. 

 Lacuna Turton. 



pertusa, Conrad. 



2 or more other species. 

 Melampus. 



3 or more species. 

 Velutina Blain. 



rupicolor, Conrad. 

 Turritella Lam. 



bisuturalis, Say. 



one or more other species ? 

 Fusus Brug. 



cinereus, Say. 



decem-costatus, Say. 



corneus, Lin. 



one or more other species. 

 Fulgur Mont. 



canaliculata, Lam. 



carica, Lam. 

 Ranella Lam. 



caudata, Say. 

 Purpura Lam. 



lapillus, Lin. 

 Buccinum Lin. 



undatum? Lin. 

 Nassa Lam. 



vibex, Say. 



trivittata, Say. 

 obsoleta, Say. 



lunata, Say. 

 Columbella Lam. 



avara, Say. 



and three or four shells not arranged to their genera. 

 Total, 61 genera, and at least 125 species. 



