192 PROCEEDINGS OF THE ACADEMY OF [1899. 



bearers, which has lost the dart apparatus, and developed apertural 

 characters in the shell similar to those of Polygyra ; though it is 

 possible that the genus is a member of the Epiphallogona, with 

 which Ashmunella agrees better technically in the features of the 

 genitalia. 



Species of Ashmunella. 



A. miorhyssa only is known anatomically, but the following species 

 wiU probably be found to belong to the genus. 

 A. Thomsoniana (Ancey). 



Helix Levettei var. Thomsoniana and orobosna Anc, Conchologist's Ex- 

 change, Vol. ii, p. 64 (Nov., 1887). 



Santa Fe canyon, N. M. 

 A. pBeudodonta (Dall). 



Polygyra pseudodonta D^ll, Proc. U. S. Nat'l Mu3., Vol. lix, p. 343 

 (1896). 



White Oaks, N. M. {Ash7nun). 



A. pseudodonta capitanensis, Ashmun and Ckll., NautQua, Vol. xii, p. 131 (March, 



1898). 



Capitan mountains, N. M. (^Ashviun). 

 A. AshmunKBall). 



Polygyra Ashmuni (Dall), Proc. U. S. Nat'l Mus., Vol. six, p. 342 (1896). 



Bland, N. M. {Ashmun). 

 A. altissima (Cockerell). 



Polygyra altissima Ckll., Nautilus, Vol. xii, p. 76 (Nov., 1898). 



Summit of Sierra Blanca, N. M., 11,092 feet (Toimsend). 

 A. cMrioahuaiiA (Dall). 

 Polygyra chiricahuana Dall, Proc. U. S. Nat'l Mus., Vol. xviii, p. 2 



(1895). 



Jemez mountains, near Bland, N. M., 8,000 to 10,000 feet 

 (^Ashmun)', Fly Park, Chiricahua mountains, Ariz., 10,000 feet 

 {Fisher). 

 A. rhyssa (Dall). 



Polygyra rhyssa Dall, Nautilus, Vol. xi, p. 2 (May, 1897). 



Sierra Blanca, N. M., at about 8,500 feet (Ashmun and Town- 

 send). 



A. rhyssa hyporhysia (CklL). 



Polygyra rhyssa hyporhyssa (Ckll.)., Nautilus, Vol. xii, p. 77 (Nov., 

 1898). 



Sierra Blanca, N. M., 9,500 feet {Townsend). 



