PUPA. 323 



4. PUPA BADIA, Adams. 



Plate LXX. Figuee 3. 



P. testa cylindracea, rufa, apice obtusa ; anfractibus sex 

 vel septem ; apertura parva, rotundata, dente unico coki- 

 melte adnato; labro sub-refle.\o ; umbilico perforalo. 



SYNONYMS AND EEFEEENCES. 



Fupa iadia, Adams, Boston Journ. III. 331, p. 13, f. 18 ; Vermont Mollusca, 7. 

 GoL'LD, Boston Journal, III, 404. 



DESCRIPTION. 



Animal not observed. 



Shell cylindrical, sub-fusiform, obtuse at both extre- 

 mities ; epidermis dark cliestnut-color, or bay ; whorls 

 six to seven, rounded, the anterior four of about equal 

 diameter ; suture deep ; aperture lateral, nearly circu- 

 lar, small, its diameter equal to two-thirds of the diame- 

 ter of the last whorl, a thin, testaceous deposit forming 

 a thickened margin internally, with an obtuse tubercle 

 upon the columella ; transverse margin sub-reflected ; lip 

 perforate. 



Length one-eighth, transverse diameter, one-sixteenth, 

 of an inch. 



Geographical Distribution. Noticed only on the 

 western shores of Lake Champlain, about the ruins of 

 the fort at Crown Point. 



Remarks. This is a very pretty species, and is 



