BIRDS OF COLORADO. 



39 



CouES, E. Key to North American Birds, Etc. Fourth 

 Edition, 1890. 



Gives specific Colorado references for 35 species. 



Davie, Oliver. Nests and Eggs of North American Birds. 

 By Oliver Davie. The Fourth Edition. Introduction by 

 J. Parker Norris. Illustrations by Theodore Jasper, A. M., 

 M. D., and W. Otto Emerson, pp. XII. 451. Columbus, 

 Hann & Adair, 1889. 

 Contains specific references to 77 species of birds as breeding in Colorado. 



Deane, Ruthven. Capture of a Third Specimen of the Flam- 

 mulated Owl (Scops flammeola) in the United States and 

 First Discovery of its Nest. B. N. O. C. IV. 1879, p. 188. 



Taken by Mr. C. E. Aiken at Poncha Pass, Fremont County, June 15, 

 187s; also the nest with one egg. This is the first record of its breeding in 

 Colorado. 



Deane, Ruthven. The Old Squaw {Cfangula hyemalis) in 

 Colorado. Auk., XII. 1S95, p. 2()2. 



A male and female, shot by Mr. John B. Sibley near Denver, November 

 13, 1892. This is the first record for Colorado. 



DiLLE, F. M. Nesting of Archibuteo ferrugineus. Young 

 Oologist, 1885, pp. 44, 45. 



Nesting April 13, 1885, in Weld County. 



DiLLE, F. M. A Week's Trip after Hawk's Eggs in Colorado. 

 O. & O. XII 1887,/. gj. 



Eggs or young of B. b. kriderii, B. b. calurus, B. swainsoni, A. ferru- 

 gineus^ and F. mexicanus, taken May 20-25, 1886, in Weld County. 



DiLLE, F. M. Nesting of the Black-billed Magpie. O. & O. 

 XIII. 1888,/. 23. 



Eggs on the plains usually about the first of May; in the mountains by 

 May 25. 



DiLLE, F. M. Home Life of the Mountain Bluebird. Nidolo- 

 gist, II. 1894-5, p. 36. 



Notes on the nesting of the Rocky Mountain Bluebird and the House 

 Finch. 



DiLLE, F. M. Colorado Birds. The Black-billed Magpie. The 

 Sunny South Oblogist, I. No. i. 



DiLLE, F. M. Egg Collecting in Colorado. The Sunny South 

 Oblogist, I. No. 2. 



DiLLE, F. M. Colorado Birds. Lark Bunting and Mountain 

 Plover. The Sunny South Oblogist, I. No. 3. 



