OXh 


eport upon ornithological sp~cimens, colle~ted in the y~ars

r:. 1871, 1872, and 1873. GeographICal and geologICal exploratIOnsCli and surveys Wes t 0 f t h e 100th me r i dia n. First lieut. Geo. 

~ 

M. Wh e eIe r, corps of engineers, m charge. (Engineer department, 
U. S. A.) 8. Washington 1874.