BIRDS OF COLORADO. 
23 
Baird, S. F. , Brewer, T. M. and Ridgway, R. A History 
of North American Birds. Land Birds, Vol. I. -[III.]. 
Boston, Little, Brown and Company, 1874. 3 vols. 
Contains specific Colorado references on 54 species, nothing of which is 
new material. 
Batchelder, C. F. Description of the First Plumage of 
Clarke’s Crow. Auk^ Vol. /. 1884,/. 16. 
Specimens obtained in Chaffee County, Colorado. 
Batchelder, C. F. An Undescribed Subspecies of Dry abates 
pubescens. Auk^ VI. 1889,/. 2^j. 
Describes D. p. orececus {—homorus) with type from Loveland, Colorado. 
Batty, J. H. The U. S. Geological Survey. Forest and 
Stream^ /. August 28., 1873, p. J5. 
Brief notes of a trip from Denver to Buffalo Peaks. Mentions seven spe 
cies of common birds and in addition says : “I have also taken the nest, eggs 
and young of the Regulus calendula (ruby-crowned wren), which have never 
been taken before.” 
Batty, J. H. The White-tailed Ptarmigan — Lagopus leucu- 
rus. Forest a7td Stream.^ I. January 1874, p. jgo. 
Seen in winter in the foothills of South Park, Colorado. 
Beckham, C. W. The Black-headed Grosbeak {Zamelodm 
melanocephala). O. and O. VIII. 1883, p. 6j. 
Notes on the nest and eggs. A male seen incubating near Pueblo, Colo- 
rado. 
Beckham, C. W. Notes on Some of the Birds of Pueblo, 
Colorado. Auk., II. 1885, p. ijg. 
Brief records of the movements of 91 species of birds. Contains the first 
record for Colorado of Thryoihorus bewickii leucogaster and, with one excep- 
tion, the only record to date. 
Beckham, C. W. Additional Notes on the Birds of Pueblo 
County, Colorado. Auk., IV. 1887, p. 120. 
Addition of 22 species to the 91 previously noted and further notes on 
28 species in the original list. First records for Colorado of Zonotrichia que- 
rula and Z. albicollis. There has been a second specimen of the latter taken; 
the former remains the only record for the state. 
Bendire, C. E. Notes on the Habits, Nests and Eggs of the 
(A^nws Sphyrapicus ^2i\xA. Auk., V. 1888,/. 226. 
Contains extended notes by Mr. Dennis Gale on the habits of .S. v. nuchalis 
in Colorado. 
Bendire, C. E. Notes on the Habits, Nests and Eggs of the 
Genus Glaucidium Boie. Auk, V. 1888, p. j66. 
States that the form found in Colorado is G. gnoma. 
Bendire, C. E. A Peculiar Nest of Cinclus mexicanus. Auk, 
VI. 1889, p. 75. 
Describes one taken by Mr. Dennis Gale at Gold Hill. 
