PLATE 16. 



Fig. 24 (c) — Amiurus natalis lividus {Raf.) Jor. 

 Kinston, N. C. Reduced. 



Fig. 25 — Araiurus uatalia coenosus {Rich.) Jor. 

 L. Michigan. Reduced one-balf. 



Fig oe—Amiurus natalis coenosus (Ilich-) Jor. 

 ' "Lake Michi-au. Keduced one-halt. 



