BIRDS OF COLORADO. 
29 
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,/. 188. 
Taken by Mr. C. E. Aiken at Poncha Pass, Fremont County, June 15, 
1875; also the nest with one egg. This is the first record of its breeding in 
Colorado. 
Deane, Ruthven. The Old Squaw (Clangula hyemalis') in 
Colorado. Atck^ XII. 1895, A 
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. 4.4, 4S- 
Nesting April 13, 1885, in Weld County. 
Dille, F. M. a Week’s Trip after Hawk’s Eggs in Colorado. 
O. & O. XII. 1887, p. 97. 
Eggs or young of B. b. kriderii, B. b. calurus, B. swainsoni, A. ferru- 
gineus, and F. mexica 7 ius, 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 Oologist.^ I. No. i. 
Dille, F. M. Egg Collecting in Colorado. The Sun?ty South 
Oblogist, I. No. 2. 
Dille, F. M. Colorado Birds. Lark Bunting and Mountain 
Plover. The Sunny South Oologist^ I. No. j. 
