124 



U. 8. P. R. R. EXP. AND SURVEYS — ZOOLOGY — GENERAL REPORT. 



CHARACTERS OF SPECIES. 



NUMBER AND LOCALITY OF SPECIMENS. 



' The slighest possible trace of black on the cheeks. 

 List of specimens. 



Catal. 

 No. 



Sex and 

 age. 



Locality. 



Yellow predominating on shafts. 



Fifty miles west of Fort Pierre, Nebraska 



do do 



, do do 



Fort Pierre 



Near Fort Pierre 



Squaw Butte creelc, Nebraska 



do do 



. do do 



Powdtr river, Nebraska 



Fort Union 



Yellowstone river 



do 



do , 



do 



White Earth river 



Milk river, Nebraska , 



Little Blue, Nebraska 



Loup fork, Nebraska 



Fifty miles above mouth of Platte 



Orange predominating on shafts. 



Fort Laramie 



Kepublican fork 



Fit'iy miles west of Fort Pierre 



Fort Union, Nebraska 



Yellowstone 



do 



When col- 

 leeted. 



April 10, 



do. 



April 18, 

 May 30, 



do. 



July 4, 

 • .... do, 



do. 



Aug. 1, 

 July 23, 

 Aug. 19, 

 Aug. 22, 

 Aug. 23, 

 Aug. 19, 

 Sept. 6, 

 Aug. 31, 

 July 7, 

 July 27, 

 July 2, 



1855 

 1856 



1856 



1856 

 1856 

 1856 

 1856 

 1856 

 1856 

 1856 

 1853 

 1856 

 1857 

 1857 



Sept. 1,1857 

 Oct. 1, 1856 

 April 10, 1855 

 J.ly 19, 1R06 

 July 28, 1856 

 July 25, 1856 



Whence obtained. 



Dr. Hayden 



Col. A. Vaughan . 



, do 



Lieut. Warren . . . 



do 



do 



do 



do 



do 



do 



do 



do 



do 



do 



do 



Gov. Stevens 



Lieut. Bryan .... 

 Lieut. Warren ... 

 do 



W. M. Magraw.. 

 Lieut, llryau .... 

 Col. A. Vaughan. 

 Lieut. Warren... 



do 



do 



Orig. 

 No. 



366 



Collected by- 



Dr. Hayden.. 



do 



, do 



, do 



, do 



do 



do 



do 



do 



do 



do 



do 



do 



do 



Dr. Suckley . . 

 W. S. Wood., 

 Dr. l.ayden... 

 do 



Dr. Cooper .. 

 W. S. Wood. 

 Dr. Hayden.. 



, do ... . 



do 



do 



Length. 



Stretch 

 of wings. 



13.12 

 12.50 



13.00 



12.25 

 12.00 



12.00 

 11.10 



la.so 



19.37 

 IJ.OO 



19.50 

 19.50 



20.50 



20.12 

 20.50 



20.50 

 17.75 



20.00 

 20.12 

 2.08 



Wing. 



6.50 

 6.25 



6.00 



6.25 

 7.00 



6.50 

 5.50 



6.37 

 6.37 

 6.37 



