144 



* Unio grani/erus Lea. 



Wabash River, Ohio River. 



* Unio irui Lea. 



Wabash River, Delaware River, Lake Maxinkuckee. 

 *Unio irrorratus Lea. 



Wabash River, Ohio River. Very abundant, perfect and beautilul in the 

 Wabash. 

 *Unio lens Lea. 



See Unio circuJn^, of which it is a synonym. 

 *Unio liyamentinus Lamarck. 



Wabash River, Ohio River, Yellow River, Turkey Creek. Delaware River, 

 St. Joseph River. Widely distributed over the State. The most com- 

 mon Unio of our waters, with the possible exception of Unio luteolns. 



* Unio luteolns Lamarck. 



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

 River, Turkey Creek, Cedar Creek, Fourteen Mile Creek. Charleston ; 

 Lake Maxinkuckee. 



* Unio metxinevrus Rafinesque. 



Wabash River, Ohio River. 



* Unio multiplicatus Lea. 



Wabash River, Ohio River; a mud-loving form which reaches gigantic size 

 in both these streams. Very large and fine specimens are in the State 

 collection. 



* Unio multiradiatus Lea. 



Wabash River, White River, St. Joseph River. 

 *Unio mytiloides Rafinesque. 



Wabash River, Ohio River. 



* Unio nigeiTimus Lea. 



Wabash River; a single specimen is in the State collection, labelled correctly 

 as above — though the locality can not be vouched for. Mr. Lea described 

 the form from Alexandria, Louisiana. The collection contains many 

 southern shells and I ■im inclined to regard this locality reference as an 

 error and to think the shell should not he reckoned as an Indiana form. 



* Unic obliqum Lamarck. 



Wabash River, Ohio River; probably the same form Rafinesque called 

 mytiloide.''. 



