ENGINEER DEPARTMENT, U. S. ARMY. 



GEOGRAPHICAL AND GEOLOGICAL EXPLORATIONS AND SURVEYS 

 WEST OF THE ONE HUNDREDTH MERIDIAN. 



FIRST LIEUT. GEO. M. WHEELER, CORPS OF ENGINEERS, IN CHARGE. 



.REPORT 



UPON 



ORNITHOLOGICAL SPECIMENS 



COLLECTED IN 



THE YEARS 1871, 1872, AND 1873. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1874. 



LIBRARY 



UNIVERSITY OF CALIFORNIA 



