130 



of the shell; base full and rounded, the umbilicus completely 

 covered by a reflection of the pillar lip; aperture rounded, the 

 peristome narrow, whitish, slightly thickened and reflected. Ma- 

 jor diam. 15, minor diam. 12, alt. 11 mm.; other specimens are 

 slightly larger. Habitat: San Clemente Island, Cal., U. S. Fish 

 Com." — Dall Phila ac pr 1900, 103-104. 



1779-1778 Color forms castanea, nitidia, multilineata, frater, 

 californica, forbesi, bicolor, tricolor, albida, have been named 

 by Hemphill. 



1779 E. Tyroni: Santa Barbara and San Nicolas Islands, Cal. 

 1780-1784 Color varieties varius, nebulosa, fasciata, califor- 

 nica, and albida have been named by Hemphill. 



1785 Variety subcarinata Hemphill. 

 Santa Barbara Island, Cal. (fossil). 



1786 Vallonia costata montana: Rocky Mts. 



1787 Praticolella Berlandieriana 



Anderson and Bosque counties, Texas, south into Mexico. 



1788 Praticolella griseola 



Type locality: Vera Cruz, Mexico. 



I have collected thousands in the type locality and as far 

 north as Tampico. The Texan shells I consider distinct. 



1789 Polygyra Ashmuni Dall. 

 Bland, N. M. 



1790 Polygyra pseudodonta Dall. 

 White Oaks, N. M. 



1791 Polygyra Mearnsii Dall. 



Huachuca Mts., Arizona. — Grant Co., N. M. 



1792 Polygyra devia 



Vancouver Island, Puget Sound, south. 



1793 Variety Hemphilli W. G. Binney. 



Synonymy: — Helix binominata Tyron. — H: Mullani Olneyae 

 (see 1532). 



Kingston, Idaho. — Spokane, Wash. 



1794 Variety Mullani: Idaho; Wash. 



1795 Variety Harfordiana: Salmon river, Idaho. 

 Synonymy: — H: commutanda Ancey. — H: salmonensis Tryon. 



1796 Variety Clappi: Salmon river, Idaho. 



1797 Variety Blandi: Idaho. 



1798 Variety Oregonensis: eastern Oregon. 



1799 Polygyra Sanburni 

 Kingston and Old Mission, Idaho. 



1800 Polygyra Columbiana 

 Sitka, to Santa Cruz, Cal. 



1801 Variety labiosa 



Coeur d'Alene Mts., Idaho. — Deer Lodge valley, Montana. 



1802 Polygyra armigera 



Vernon, B. C. — San Francisco, Cal. 



1803 Polygyra loricata 



Eldorado to Fresno and Sonoma counties, Cal. 



1804 Polygyra Townsendiana 



Del Norte Co., Cal. — Seattle, Wash. 



1805 Variety ptychophora 



Deer Lodge, Mont. — Seattle, Wash. — Dallas, Oregon. Hemp- 

 hill has named a color form castanea. 



1806 Polygyra germana 



Astoria, Oregon. — Vancouver Island. 



1807 Polygyrella polygyrella 

 Cceur d'Alene Mts., Idaho. 



