NORTH AMERICAN CONCHOLOGY. 



203 



Locality. 

 Tennessee. 

 Tennessee. 



Family Peristomata. 



278 Valvata pupoidea Gould. 

 278 sincera Say. 



278 tricarinata Say. 



var. V. unicarinata De Kay. 

 carinata Sowerby. 

 278 Amnicola attenuata Ilald. 

 278 Cincinnatiensis L,ea. 



Cyclostoma Cincinnatiense. 

 278 elongata. 



278 grana Say. 



Paludina grana Say. 

 278 isogona Say. 



Melania isogona Say. 

 278 lapidaria Say. 



Cyclostoma lapidaria Say. 

 278 limosa Say. 



Paludina limosa Say. 

 278 lustrica Say. 



Paludina lustrica Say. 

 278 pallida Bald. 



278 porata Say. 



Paludina porata Say. 



278 Sayana Anthony. 



279 Paludina altalis liav. 

 279 angulata Lea. 

 279 Coosaensis Lea. 



279 cyclostomatiformis Lea. 



279 decisa Say. 



279 genicula Conrad. 



280 Georgiana f^ea. 



280 heterostropha Anthony. 



280 integra Say. 



280 intertexta Say. 



280 magnifica Conrad. 



var. P. bimonilifera Lea. 



280 Nuttalliana Lea. 



280 ponderosa Say. 



280 subcarinata Say. 



281 subglobosa Say. 

 281 subpurpurea Say. 



Boston. 



Lake Champlain. 



New York. 



Boston. 



Virginia. 

 Ohio. 



Virginia. 

 Ohio. 



Ohio. 



Ohio. 



Ohio. 



Vermont. 



Vermont. 

 Ohio. 



Ohio. 



Santee canal. 



Alabama. 



Alabama. 



Alabama. 



New York, Ohio. 



Georgia. 



Georgia. 



Ohio. 



Ohio. 



Louisiana. 



Georgia. 



Alabama. 



Wahlamat. 



Ohio, Alabama. 



Ohio. 



N. W. Territory. 



Illinois. 



