EASTERN PROVINCE INTERIOR REGION SPECIES. 



327 



iug 6 teeth in the aperture ; but as one of them is nearly always, and 

 another generally, wanting, the description here given is correct. The 



Fig. 353. 



Fig. 353§. 



margin of the peristome is sometimes continuous entirely around the 

 aj)erture. 



The lingual membrane has 68 rows of 14-1-14: teeth, with 7 laterals 

 on either side. (M. de St. Simon.) 



Pupa coiitracta, Say. 



Shell subconical; epidermis whitish horn-color; whorls between 5 

 and 6, very convex, diminishing regularly- from the last whorl, which is 

 somewhat ventricose, to the apex ; suture 

 well impressed ; peristome white, thickened, 

 somewhat reflected, its extremities con- 

 nected by a raised, testaceous fold, making 

 the margin of the aperture entire; aperture 

 lateral, rather triangular or trilobate, more 

 than half as wide as the body-whorl, ex- 

 panded above and diminishing regularly into a very narrow throat, 

 with 4 teeth, one upon the columella, large, coarse, and irregular, pro- 

 jecting into and very much filling up the aperture, and having a con- 

 cavity' on the side towards the peristome; another tuberculous, not 

 large, more or less near the margin of the peristome ; and two others, 

 massive and prominent, deep seated in the throat, one being in the 

 base behind the columellar tooth and the other on the side of the um- 

 bi^^'jus and apparently produced by the umbilical fold; umbilicus with 



Pupa contracta. 



