PLATE I 



Fishes of Colorado 



Fig. I. — Ameiurus melas. Black Bullhead (p. i6). Adult. 



Fig. 2. — Catostomus commersonii siicklii. Sucklej''s Sucker (p. 22). 

 Adult if^ feeding position. 



Fig. 4. — A meiurus nebulosus. Com- 

 FiG. 3. — Catostomus commersonii siicklii. Suckley's Sucker (p. 22). men Bullhead (p. 17). Young 



Young showing the three lateral spots. dorsal view. 



^ 



vV^ 



Fig. 5. — Catostomus comnursonii sutklii. Suckley's Sucker (p. 22). Adult in resting position. 



Fig. 6. — Catostomus griseiis. Gray Sucker (p. 25). .\dult. 



Fig. 7. — Xyrauchen texanus. Humpbacked Sucker (p. 30J. .\dult. 



