131 



1808 Variety montanensis Ancey 

 Deer Lodge valley, Montana. 



1809 Polygyrella Harfordiana 

 Fresno Co., Cal. 



1810 Polygyrella Yatesii 



Murphy's and Cave City, Calaveras Co., Cal. 



1811 Thysanophora Hornii 



Ft. Grant, Arizona. — N. M. — Mexico. 



1812 Thysanophora Ingersolli 



Colorado at high altitudes. — Fly Park, Arizona. 

 1813 — Variety convexior Ancey. 



Logan canyon, Utah. — Weston, Oregon. 



1814 Holospira Mearnsii Dall. 



Top of Hachita Grande Mts., Grant Co., Texas. 



1815 Holospira Cockerelli Dall, Nautilus 11:61. 

 Debris of Rio Grande at Mesilla, N. M. (Cockerell). 



1816 Holospira bilamellata. Dall. 

 Hachita Grande Mt, N. M. 



1817 Holospira Roemeri 

 New Braunfels, Texas. 



1818 Holospira Crossei Dall. 

 Hachita Grande Mt., N. M. 



1819 Holospira pilsbryi Dall. 



New Mexico or Arizona. — Puebla, Mexico. 



1820 Leucocheila fallax 



Canada to Florida. Minn. Texas. Arizona. 

 Genus Bifldaria Sterki. 1891. 



1821 Bifldaria armifera: eastern U. S. 



1822 Bifldaria hordeacea: Ariz. — N. M. 



1823 Bifldaria procera 

 Minn, to N. M. 



1824 Bifldaria hordeacella 



Comal and Lee counties, Texas. — N. M. 



1825 Bifldaria hebes (See 1593). 



Type locality: White Pine, Nevada. Occurs also in Utah, 

 Arizona and N. M. 



Synonymy: — Pupa arizonensis W. G. B. (non Gabb). — P. 

 Gabbi Dall. 



1826 Forma saxicola Ckll. Near Silver Cliff, Colo. 



1827 Variety Mexicanorum Ckll. Mesilla, N. M. 



1828 Bifldaria Pilsbryana Sterki. 

 New Mexico. — Arizona. 



1829 Pupa Rowelli 

 Oakland to Monterey, Cal. 



1830 Pupa castanea Sterki. 

 Lake Co., Cal. 



1831 Pupa decora borealis: Bering Island. 



1832 Pupa concinnula Ckll. 

 Colorado at high elevations. 



Synonymy: — Vertigo Ingersolli Ancey and vars. accedens and 

 haydeni. — Perhaps P. montanella Ckll. ined. 



1833 Pupa coloradoensis Ckl.. 

 Colorado, mid-alpine. 



1834 Pupa Hoppii Maell. 



Greenland. — ?Anticosti Island. — Laggan, near summit of 

 Rocky Mts. 



1835 Pupa eolumbiana Sterki. 



Wash.; and var. Utahensis Sterki, ined. 



1836 Pupa calamitosa 



San Diego, Cal. — Baja Cal. 



