CHAPTEE VII 



RE POET 



upon 



THE COLLECTIONS OF HYMENOPTERA 



MADE IX PORTIONS OF 



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



DURING 



THE YEARS 1872, 1873, and 1874. 



BY 



E. T. CRESSON. 



WITH 



LIST OF FOKMICIDAE. 



BY 



EDWARD NORTON 

 45 7. 



70S 



