76 



POLYQYRA. 



did not include either of the forms Tryon uses the name for ! Aplo- 

 don, Raf., has also been used in this connection ; it is positively uni- 

 dentifiable. 



Species. 



v. obsoleta Pils. 

 HP. hopetonensis Shutt. iii, 144. 



ephabus Say, ms. 

 P. vaunostrandi Bid., iii, 145. 

 P. vultuosa Gld., iii, 144. 

 143. v. henriettse Maz., iii, 144. 

 V^copei Weth., iii, 144. 

 v. cragini Call, iii, 144. 



P. edentata Samp., viii, 154. 

 edentula W. G. B. 



. tridentata Say, iii, 143. 

 lunula Raf. 

 v. juxtidens Pils. 

 ^v. edentilabris Pils. 

 P. fraudulenta Pils. 



fallax auct., not Say, iii, 

 -'P. fallax Say. 



^introferens Bid. iii, 145. 



"P. rugeli Shuttlw.,iii, 147. 

 i/P. inflecta Say, iii, 146. 



P. mullani Bid., iii, 145. P. columbiana Lea, iii, 154. t- 



t^v. hemphilli W. G. B., iii, 146. v. labiosa Gld. 



binominata Tryon, iii, 146. v. armigera Anc., viii, 155. 

 olneyce Pils. P. roperi Pils., viii, 154. 



v. blandi Hemph. ^P. loricata Gld., iii, 145. 



v. harfordiana .W. G. B., iii, lecontii Lea. 



commutanda Anc. [146. P. levettei Bid., iii, 143. 

 salmonensis Tryon, iii, 146. thomsoniana Anc. 

 v. oregonensis Hemph. orobcena Anc. 



P. devia Gld., iii, 154. 

 baskervillei Pfr. 



P. profunda Say, iii, 155. 



richardi Fer. 



/ bulbina Dh. 

 P. sayii Binn., iii, 155. 



diodonta Say, not Miihlf. 



v. chilhoweensis Lewis, iii, 

 [155. 

 * 

 P. albolabris Say, iii, 150. 



rufa DeK. 



v. maritima Pils. 



P. kiowaensis Simp., viii, 155. 



v. arkansaensis Pils., viii, 156. 

 P. townsendiana Lea, iv, 72. 



pedestris and ruida, Gld. 



v. ptychophora A. D. Br., iii, 

 [154. 



f. castanea Hemph. 

 * * 



v. traversensis Leach. 

 t^^T. major Binn., iii, 150. 



