1918.] NATURAL SCIENCES OF PHILADELPHIA. 329 
Vertigo ovata Say. 
Arizona: Station 6, foot of Copper King Mountain, 1 mile below 
Harper’s place, Graham Co. 
Vertigo concinnula Ckll. 
New Mexico: Stations 38, 42, 45, 50, 53 (1914), on Silver, Willow 
and Turkey Creeks, Mogollon Mountains, Socorro Co. 
Vertigo coloradensis arizonensis P. & V. 
Arizona: Red Sack, Graham Mountains; Horseshoe bend of 
Black River, Apache Co. 
New Mexico: Station 38, Silver Creek, 53, Willow Creek, 50, 
Turkey Creek, 57, south fork Whitewater Creek, Mogollon Moun- 
tains. 
Vertigo modesta :nsculpta Pils. 
Arizona: Cosper’s pasture and rim of Blue Mountains; Graham 
Co.; Reservation Creek, White Mountains, Apache Co. 
Columella alticola (Ingersoll). 
New Mexico: Station 45, Willow Creek, Mogollon Mountains. 
SUCCINEIDA, 
Succinea avara Say. 
Arizona: Cienega near Solomonsville, Graham Co. : 
New Mexico: Station 46, Willow Creek, Mogollon Mountains. 
PHYSIDA. 
Physa virgata Gld. 
Arizona: Stations 19 and 20, Blue River. 
Physa sp. undet. 
Arizona: Reservation Creek, near the Big Spring, Apache Co. 
With only immature specimens and broken adults an identification 
is difficult. 
UNIONIDA. 
Ancdonta dejecta Lewis. 
Arizona: Black River, southern border of Apache Co. 
“Subfossil” valves of this species are found in the banks of the 
Santa Cruz river at Tueson. 
CoxiEectine Stations or J. H. Ferriss In GRAHAM, GREENLEE AND APACHE 
Countiss, ARIZONA, IN 1913. 
47. Near Mud Springs, trail on summit of Big Graham Mountains. 
48. Tank 10 miles south of Solomonsville (Physa only). 
49.. Swampy place 7 miles south of Solomonsville (Physa only). 
50. Rock slide on the right side of the toll road, 6 miles south of Coronado. 
Peloncillo Range. 
51. Eagle Creek. 
52. Eagle Creek, 3 miles above the fork, east bank. 
