CHAPTEE VI 



REPORT 



UPON 



THE COLLECTIONS OF FISHES 



MADE IN PORTIONS OF 



NEVADA, UTAH, CALIFORNIA, COLORADO, NEW MEXICO, AND ARIZONA, 



DURING 



THE YEARS 1871, 1872, 1873, and 1874. 



BY 



Prop. E. D. COPE and De. H. 0. YARROW. 



635 



