NORTH AMERICAN CONCHOLOGY. 



103 



43 iii 40 a, b, c 



Name. Locality. 



Helix diodonta Say. 

 mo no don Racket. 

 II. fratema Say. 

 convexa Lam. 

 hirsuta Say. 

 elevata Say. 



II. Knoxvilliana Say. 

 fuliginosa Griffith. 

 cellaria Miilier. 

 II. glaphyra Say. 



nitida Draparnaud. 

 suppressa Say. 

 intertexta Gould. 

 inornata Say. 

 labyrinthica Say. 

 ligera Say? 

 minuta Say. 



II pulchdla Binney. 

 multilineata Say. 

 Pennsylvanica Green. 

 perspectiva Say. 

 profunda Say. 



II. Ilichardi Ferussac. 

 striatella Anthony. 



H. rudtrata Studer? 

 solitaria Say. 

 rufa De Kay. 

 lineata Say. 



Planorbis parallelus Say. 

 chersina Say. 



major Binney, e. 1. Southern States. 



inflecta Say, e. 1. N. C, W'rn St's. 



irrorata Say, e. 1. Pennsylvania. 



var. lactea Ferussac. 

 corpuloidea Montagu, e. 1. Near Boston, 

 egena Say, e. 1. Pennsylvania. 



Mitchelliana Lea, e. 1. Ohio. 



porcina Say, e. 1. N. W. Territory. 



Vancouverensis Lea, e. 1. Oregon, 

 interna Say, e. 1. Missouri. 



Nuttalliana Lea, e. 1. Oregon. 



Columbiana Lea, e. 1. Columbia river. 



Californiensis Lea, e. 1. California. 



gularis Say, e. 1. Ohio. 



Townsendiana Lea, e. 1. Columbia river. 



