PLATE 43. 



Fig. 69 — Notrtnis sialis Jordan. 

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



Pig. 69 (J)— Noturua gyrinus (Mitch.) Ra£ 

 Hudson River. (Nat. Bize.) 



Fig. 69 (c)— Noturus gyrinua (Mitch.) Raf. 

 Hudson River. (Nat. size.) 



