PLATE III 



Fishes of Colorado 



Fig. 12. — Chrosomus erythroj^aster dakotensis. Western Red-bellied Dace (p. ii 



Fig. 13. — Campostoma anomalum. Stone-roller (p. 37). Young. 



Fig. 14. — Campostoma a}wmaliim. Stone-roller (p. 37). Breeding male. 



Fig. 15. — Pimephales promdas. Black-headed 



Minnow (p. 41). Top of head 



of breeding male. 



Fig. 16. — Campostoma anomalum. Stone- 

 roller (p. 37). Head, ventral 

 view, showing the sucker- 

 like mouth. 



Fig. 17. — Pimephales promclas. Black-headed 



Minnow (p. 41). Side view of head 



of breeding male showing 



tubercles. 



Fig. 18. — Pimephales promelas. Black-headed Minnow (p. 41). Breeding male. 



