PLATE VI 

 Fishes of Color.\do 



Fig. 32. — Agosiii yarro-Lci. Vai 

 Dace (p. 68). Ventral vie 

 of head showing the 

 maxillary barbel. 



Fig. 3j. — Agosia yarrowi. Yarrow's Dace 



(p. 68). Side view of head. The 



barbel may be seen at the 



angle of the mouth. 



Fig. 34. — Gila robusta. Bony Tail (p. 56). 



