CHA.PTER 



REPORT 



UPON 



THE COLLECTIONS OF ORTHOPTERA 



MADE IN PORTIONS OF 



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



DUKING 



THE YEARS 1871, 1872, 1873, AND^ 1874. 



II Y 



Prof. CYRUS THOMAS. 



84:; 



