Descriptions of New Species of Pupadw. 211 



Station. — In wet moss. 



Distribution. — Little Valley, Washoe Co., Nevada; on E. 

 slope of Sierra Nevada, 6,500 feet above the sea. Collected by 

 R. H. Stretch. 



Remarks. — This species bears a slight resemblance to Isthmia 

 decora, but differs in being much wider, slightly longer, though 

 having one whorl less, and the aperture very much larger and 

 different in contour. 



I am indebted to Mr. Thomas Bland for the privilege of 

 describing this species. 



Ptipilla Blandii, nov. sp. 



Pupa Blandi, W. G. Binney ; U. S. Explorations in Nebraska. Ex. 

 Doc. 85th Congress 2d Sess., Vol. II. part II., 725, 1859. (Without 

 description.) 



Fig. 8. 



Pupilla Blandii Morse. 



Shell rimate, ovate cylindrical, delicately striated, opake, 

 light brown ; apex obtuse, nucleus with microscopic granula- 

 tions; suture well defined; whorls six, sub-convex, the last 



NOVEMBER, 1865. 16 Awh. Lyo. Nat. Hist., Vol. VIII. 



