PLATE 39. 
a 
Za spine, 2 diam. 
Fic. 60—Noturus miurus Jordan. 
White R., Ind. Nat. size. 
Fic. 61—Noturus miurus Jordan. 
Whito R., Ind. Nat. size from type. 
Fic. 61 (b)—Noturus miurus Jordan. 
Ohio R.. W. Va. Nat. size. 
