PLATE IX. 



Fishes from Greeu River City, Wyoming, natural size. 



j.-j,,. 5,—Asineops squamifrona. Page 85. 



?igs. 6, 7.—Eri8matopteru8 Icvatus. Types. Page 80. 



Fig. S.—Diplomijstus humilU {pusillua). Page 77. 



Figs. O-n.—Diplomystus altus. Page 79. 



1 if. 12.— Young Diplomi/stus. 



