22 



Animals in Massachusetts. 



Fusus. 



decemcostatus, Say. Murex carinatus, Pennant, 

 Ranella. 



caudata. At Nantucket. 



Pyrula. 



canaliculata. Murex canaliculata. 

 carica. 



Nassa. 



obsoleta, Say. Buccinum noveboracense, Wood's Supplement- 

 trivittata, Say. 

 lunata, Say. 



Purpura. 



lapillus. Buccinum lapillus, L« 

 imbricata, Lam. 



Buccinum. 



undatum, L. 



Columbeila. 



terpsichore. Buccinum terpsichore, Wood's Supplement. 



ORDER VI.— CEPHALOPODA. 



Spirula. 



Peronii. Nautilus spirula, L. Found on the ocean shore of Nantucket- 



List of Land and Fresh Water Shells in Massachusetts, so far 

 they have been ascertained. 



BY MR. JOHN MILTON EARLE, OF WORCESTER. 



I. — BIVALVES. 



Unio. 



complanatus, Lam. purpureus, Say, 

 nasutus, Say. Ponds in Essex and Plymouth Counties, 

 ochraceus, Say. Ponds in Plymouth County, 

 radiatus, Say. Do. and Essex Counties. 



Alasmodonta. 



margaritifera, L. arcuata, Barnes. 



marginata, Say. Blackstone River. 



undulata, Say. Do. and streams in Plym. County, 



Anadonta. 



cataracta, Say. Common Green Muscle, 

 marginata, Say. Blackstone and French Rivers, 

 lugubris, Say. Ponds in Essex County. 



Cyclas. 



similis, Say. 



