141 



■"Anodouta gmndis Say. 



Fonrteen Mile Creek. Charleston ; Lake Hamilton ; Five Mile Pond, ^'ig^> 

 County ; Raccoon Creek. 

 Anodonta imhecillis Say. 



Bennett's Creek, Vigo County. 

 Anodonta pa von i a Lea. 



Pond, near Terre Haute; Bennett's and Ccal creeks, Vigo County. 

 Anodonta salmonia Lea. 



Yellow River ; Cedar Creek ; St. Joseph River. 

 * Aiuidonta suborbiculata Say. 



Wabash River. 

 * Anodonta subcylindracea Lea. 



Wabash River; Cedar Creek. 

 Anodonta undidata Say. 



Lake Maxinkuckee. 

 Anodonta uardiaiia Lea. 



Fourteen Mile Creek, Charleston. 

 ^Margariiana ealceola Lea. 



Wabash River, White River, Turkey Lake. 

 '^Margaritana complanata Barnes. 



Wabash River. White River, Ohio River, Bruiett's Creek. 

 '■^Manjaritana confragosa Say. 



Wabash River. 

 '^Margaritana dehiscens Say. 



Wabash River, Ohio River. 

 * Maraaritana deltoidea Lea. 



Lake Maxinkuckee, St. Joseph River. 



This form is a synonym of Margarituna caiceoia Lea. 

 ^Margaritana hildrethiana Lea. 



AVabash River. 

 ■'^Margarituna margmata Say. 



Wabash River, White River, Ohio River, St. Mary's River. 

 '' Margaritana monodonta Say. 



Ohio River, Wabash River. 



This shell was described, in 1830, from the Falls of the Ohio, by Mr. Say, but 

 was by him regarded as a Unio. Mr. Lea described it the same year as TJnio 

 solenitoi'Tnis. Mr. Lea's shell is given the indefinite locality "Ohio," and the shell 

 probably came from the Ohio River, near Cincinnati. Mr. Say's name has 



