1894.] NATITRAL SCIENCES OK I'll ll-ADEI^PHIA. 2o 



Family PUPID^. 

 Genus LEUCOCHILA Martens. 

 L. fallax Say. 



Cave Town, Washini^ton Co., Md., 64,786; Martiu's Mouutaiu, 

 Allegheny Co., IMd., 64,785. 



Genus PUPA Drap. 

 Subgenus Bifidaria Sterki. 

 P. armifera Say. 



Gettysburg, Pa., 64,783. Cave Town, Md., 64,784. 



Section Vertigopsis Sterki. 

 P. pentodon Say. 



Green and Polish Mts., Allegheny Co. , JMd. , 64,787. 



Genus VERTIGO Muller. 

 V. ovata Say. 



Green and Polish Mts., Allegheny Co., Md., 64,840. 



V. edentula simplex (rid. 



Was collected by Witnier Stone at York Furnace, York Co., Pa. 



Family SUCCINEIDtE. 



Genus SUCCINEA Draparnaud. 



S. obliqua Say. 



Morgan Co., West Virginia, opposite Hancock, 64,734. 



S. avara Say. 



Monterey, Franklin Co., Pa., 64,733. 



S. ovalis GUI. 



Was collected by Witmer Stone at York Furnace, York Co., Pa. 

 We did not find it in Maryland. 



Family LIMNJEIN^. 

 Subfamily Limnseinse. 

 Genus LIMN.a;A Lam. 

 L. desidiosa Say. 



Conecocheague River, Md., 64,802. Patterson's Creek, Mineral 



