404 Cooke, The Birds of Colorado. [§|£ 



Ferrill, W. C. Biennial Report of the State Historical and Natural 

 History Society of Colorado, December 1, 1904-November 30, 1906. 

 Denver, 1906, 1-19. 



Contains, on page 14, advance notice of new records for Colorado birds, 

 given more in detail by H. G. Smith, Auk. XXV, 1908, 184-191. 



Henderson, J. With the birds in northeastern Colorado. Wilson Bul- 

 letin XIII, 1906, 105-110. 



Short account of the birds seen on a wagon trip in Weld County. 



Warren, E. R. A collecting trip to southeastern Colorado. Condor, 



VIII, 1906, 18-24. 



Extended field notes on 84 species, observed principally in Baca County. 



Warren, E. R. Contopus virens in Colorado. Condor, VIII, 1906, 

 130. 



The first record for the State. 



Felger, A. H. Ross's Snow Goose in Colorado. Auk, XXIV, 1907, 211- 

 212. 



First record for the State. 



Gilman, M. F. Magpies on the La Plata. Condor, IX, 1907, 9-12. 



Extended account of the nesting habits. 



Gilman, M. F. Migration and nesting of the Sage Thrasher. Condor, 



IX, 1907, 42-44. # 



As observed in southwestern Colorado. 



Gilman, M. F. Some birds of southwest Colorado. Condor, IX, 1907, 

 152-158, 194-195. 



Extended field notes on 120 species observed in the vicinity of Fort 

 Lewis, La Plata County. 



Henderson, J. Colorado notes. Condor, IX, 1907, 198. 



New records for several of the rarer species of Colorado birds. 



Hersey, L. J. and Rockwell, R. B. A new breeding bird for Colorado; 

 the Cassin Sparrow (Peuccca cassini) nesting near Denver. Condor, IX, 

 1907, 191-194. 



The first breeding record of the bird for the State. 



Oberholser, H. C. A new Agelaius from Canada. Auk, XXIV, 1907, 

 332-336. 



Describes a new form as Agelaius phceniceus ardolegus, and records 

 a specimen from Colorado. This subspecies has not as yet been accepted 

 by the A. O. U. Committee. 



Rockwell, R. B. The Woodhouse Jay in western Colorado. Condor, 

 IX, 1907, 81-84. 



Rockwell, R. B. Some Colorado notes on the Rocky Mountain Screech 

 Owl. Condor, IX, 1907, 140-145. 



Warren, E. R. Photographing Magpies. Condor, IX, 1907, 5-9. 



Reproductions of several photographs taken at Crested Butte. 



Warren, E. R. An interesting occurrence of the Canyon Wren. Condor, 

 IX, 1907, 111. 



Near Cheyenne Wells — the most eastern record for the State. 



