PLATE 43. 



Fig. 69— Notums sialis Jordan. 

 White Kiver, Indiana. (Type, nat. size.) 



FlO. G9 (6)— Noturus gyrinus (Mitch.) Rat 

 Hudson River. (Nat. size.) 



FIO 69(c)— Noturua gyrinaa {Milch.) But. 

 Hudson River. (Nat. size.) 



