540 Birds of Colorado 
00 Dnuz, F. M. Nesting of the Pine-Siskin at Denver, Colorado. 
Condor, m., 1900, p. 73. 
00 Diz, F.M. Nesting of the Eastern Bluebird at Denver, Colorado. 
Condor, m., 1900, p. 88. 
02 Ditz, F. M. Western Blue Grosbeak in Northern Colorado. 
Condor tv., 1902, p. 94. 
03 Dintz, F. M. Nesting Dates for Birds in the Denver District, 
Colorado. Condor, v., 1903, pp. 73-74. 
04 Diniz, F. M. Eggs of Flammulated Screech Owl and Western 
Evening Grosbeak, taken in Estes Park, Colorado. Condor, 
vi., 1904, p. 50. 
04 Diniz, F. M. A Sage-Sparrow in Boulder co., Colorado. Condor, 
vi., 1904, p. 79. 
09 Dittz, F. M. Notes of Occurrences and Nesting of certain 
Species additional to the ‘‘ Birds of Colorado.” Auk, xxv1, 
1909, pp. 86-88. 
81 Drew, F.M. Field Notes on the Birds of San Juan co., Colorado. 
Bull. Nutt. Om. Club, vi, 1881, pp. 85-91, 138-143. An 
important paper ; 104 species mentioned, five for the first time 
within the limits of the State ; other notes on the same subject 
on pp. 115, 244, 249. 
81 Drew, F. M. Lobipes hyperboreus at 9,500 feet. Bull. Nutt. 
Orn. Club, vi., 1881, p. 249. Northern Phalarope at Howards- 
ville, San Juan co. 
82 Drew, F. M. Notes on the Plumage of Nephecetes niger borealis. 
Bull. Nutt. Orn. Club, vit., 1882, p. 182. Black Swift observed 
near Howardsville. 
84 Drew, F.M. Notes on Lagopus leucurus. Auk, .1., 1884, pp. 392-3. 
85 Drew, F. M. On the Vertical Range of Birds in Colorado. Auk, 
11., 1885, p. 11. A very important article on the birds of 
Colorado, containing a complete list up to date, and the vertical 
range of each bird as far as it was known. 
90 Dwieut, J., Jr. The Horned Larks of North America. Auk, 
vi., 1890, pp. 138-158, and one map. 
01 Fetcer, A. H. The Mexican Cormorant in Colorado. Auk, 
xvi., 1901, p. 189. 
02 Freterr, A. H. Colorado Bird Notes. Auk, xix., 1902, p. 294. 
03 Feteer, A. H. The Wood-Ibis again in Colorado. Auk, xx., 
1903, p. 65. 
05 Fererr, A. H. Two Records for Colorado. Auk, xxt., 1905, 
p. 421. Yellow Flicker in Mountains; Canvas-back breeding. 
07 FetcEerR, A. H. Ross’s Snow-Goose in Colorado. Auk, xxIv., 
1907, pp. 211-212. 
