324 HELICID^E. 



quite distinct from any other found in this country. It 

 is thought by some to resemble, and even to be identical 

 with P. muscarum of Europe ; but Draparnaud's figure 

 of that species is quite unlike ours in outline and in the 

 shape of the aperture, while his P. doliolum is, in shape 

 and general aspect, much more nearly akin to it. 



5. PUPA CONTRACTA, SAY. 

 PLATE LXX. FIGURE 2. 



P. testa albido-cornea, ventricosa, sub-conica ; anfractibus 

 quinque, convexis ; apertura sub-triangulari, expansa, den- 

 tibus quatuor armata, quorum unus crassus in columellam, 

 alter parvus in labrum, et alter! duo faucibus profunde po- 

 siti ; labro albo, reflexo ; umbilico perforato. 



SYNONYMS AND REFERENCES. 



Pupa contract^ SAY, Jotirn. Acad. II. 374. 



GOULD, Boston Journ. III. 399, pi. 3, f. 22; 



Iiwertebrata, ISO, f. 117. 

 DE KAY, Nat. Hist. N. Y. 49. pi. 4, f. 47. 

 ADAMS, Vermont Mollusea, 8. 



PFEIFFER, Symbolce, II. 54 ; Monog. Helic. Viv. II. 356. 

 KiisxER, in Chemnitz, 2d ed. 96, tab. 13, f. 16 - 18. 



DESCRIPTION. 



ANIMAL blackish above, foot light gray. Superior 



