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 Olneyz 
(see 1532). 
Kingston, Idaho.—Spokane, Wash. 
1794 Variety Mullani: Idaho; Wash. 
1795 Variety Harfordiana: Salmon river, Idaho. 
NS} 
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 
Coeur d’Alene Mts., Idaho. 
