1906.] 



NATURAL SCIENCES OF PHILADELPHIA. 



549 



The locality ' ' Hardy, Sharp Co. ' ' given in the original description, 

 may possibly be due to an error of some sort, as that place seems out 

 of the general range of the species ; yet until a further search is made 

 there, we are not justified in omitting the locahty. 



Measurements of Polygyra hinneyana. 



P. binneyana chastatensis n. subsp. PI. XXI, fig. 16. 



In the Chastat Mountains, four miles south of Mena, Polk Co., Ark., 

 Mr. Ferriss found a small race in which the lip is comparatively much 

 wider than in typical P. hinneyana, but yet differs from P. kiowaensis by 

 being strongly reflexed. Types 78,655 A. N, S. P. 



Alt. 11, diam. 20 mm., whorls fully 5. 



Alt. 10.5, diam. 17.7 mm., whorls 5. 



Alt. 9.5, diam. 17.7 mm., whorls 4|. 



This is the smaller variety mentioned by Ferriss, Nautilus, XIV, p. 29. 



