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, MogoUon 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, MogoUon 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 (In^ersoll). 



New Mexico: Station 45, Willow Creek, MogoUon Mountains. 



SUCOINEID^. 



Succinea avara Say. 



Arizona: Cienega near Solomonsville, Graham Co. 



New Mexico : Station 46, Willow Creek, Mogollon Mountains. 



PHYSID^. 



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. 



UNIONID^. 



Anodonta 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 Tucson. 



Collecting Stations op J. H. Ferriss in Graham, Greenlee and Apache 



Counties, Arizona, in 1913. 



47. Near Mud Springs, trail on summit of Big Graham Mountains. 



48. Tank 10 miles south of SoIomonsviUe {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. 

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