NORTH AMERICAN CONCHOLOGY. 



137 



Page. 



No. 



Ifame. 



12 



346 



Unio Sayii Tappan. 



12 



347 



Schoolcraftensis Lea, 



12 



348 



securis Lea. 



12 



349 



Shepardianus Lea. 



12 



850 



silliquoides Barnes. 



12 



351 



simus Lea. 



12 



352 



Sowerbianus Lea. 



12 



353 



solidus Lea. 



12 



354 



Sloatianus Lea. 



12 



355 



spinosus Lea. 



12 



356 



splendidus Lea. 



12 



357 



sparsus Lea 



12 



358 



stapes Lea. 



12 



359 



Stonensis Lea. 



12 



360 



strigosus Lea. 



12 



361 



striatus Lea. 



12 



362 



stramineus Conrad. 



12 



363 



subrotundus Lea. 



12 



364 



Bubplanus Conrad. 



12 



365 



subangulatus Lea. 



13 



366 



subovatus Lea. 



13 



367 



subtentus Say. 



13 



368 



sulcatus Lea. 



13 



369 



trapezoides Lea. 



13 



370 



Taitianus Lea. 



13 



371 



Tappanianus L^ea. 



13 



372 



tetralasmus Say. 



13 



373 



tenuissimus Lea. 



13 



374 



tenerus Rtf. 



13 



375 



Tennesseensis T^ea. 



13 



376 



tener Lea. 



13 



377 



tortivus Lea. 



13 



378 



toeniatus Conrad. 



13 



379 



Troostensis Lea. 



13 



380 



trigonus Lea. 



13 



381 



triangularis Barnes. 



13 



382 



trosculus Lea. 



13 



383 



turgidus L<a. 



13 



384 



tuberculatus Barnes. 



13 



385 



undulatus Barnes. 



13 



386 



varicosus Lea. 



13 



387 



vanuxemensla T^ea. 



13 



388 



Vaughanianus T^ea. 



13 



389 



ventricosua Barnes. 



13 



390 



verrucosus Barnes. 



Locality. 

 Wisconsin. 

 Fox river, Green bay. 

 Ohio. 

 Georgia. 

 Oliio. 



Cumberland river. 

 Tenn. & Alabama. 

 Ohio. 

 Georgia. 



Alabama & Georgia. 

 Altamaha river, 

 Tennessee. 

 Ohio & Alabama. 

 Tennessee. 

 Georgia. 

 Georgia. 

 Alabama. 

 Oliio. 

 Virginia. 

 Georgia. 

 Ohio river. 

 Southern rivers. 

 Western rivers. 

 Lake St. Joseph, La. 

 Tennessee. 

 Troy, :;. Y. 

 Louisiana. 

 Western rivers. 

 Virginia. 

 Tennessee. 

 Tennessee. 

 Georgia. 

 Flint river, Ga. 

 Tennessee. 

 Ohio. 



Western rivers. 

 Lake Monroe, Fla. 

 Bayou Teche, La. 

 Western rivers. 

 Western rivers. 

 Ohio. 



Cumberland river. 

 South Carolina. 

 Lake Champlain. 

 Ohio. 



