THE BIRDS OF BOULDER COUNTY 223 



— , " Picicorvus columbianus (Wils.), Clarke's nutcracker. Its nest, eggs, etc." The 



Auh, Vol. VI, 226-236, 1889. [Contains Boulder County notes by Gale.] 

 — , "Description of the nest and eggs of Megascops asio maxwellicB, the Rocky 



Mountain screech owl." The Auh, Vol. VI, pp. 298-302, 1889. [Contains Boulder 



County notes by Gale.] 

 — , "Megascops asio maxwellia." The Auh, Vol. VII, p. 91, 1890. [Describes 



pellets collected by Gale.] 

 -, Life Histories of North American Birds. U. S. Natl. Museum. Part I, Spl. 



Bull. No. 1, 1892. Part II, Id., No. 3, 1895. 

 Burnett, W. L., "Another canyon wren record for Colorado." The Auh, Vol. XXV, 



p. 87, 1908. 

 Cooke, W. W., The birds of Colorado. Bull. No. 37, State Agricultural College, 



1897. 



, Further notes on the birds of Colorado. Id., No. 44, 1898. 



, The birds of Colorado. Id., No. 56, 1900. 



Dartt, Mary, On the plains and among the peaks; or how Mrs. Maxwell made her natural 



history collection. Philadelphia, 1879. Interesting account and contains list of 



Mrs. Maxwell's Centennial Exposition collection of Colorado birds, the list prepared 



by Ridgway and afterwards published in Field and Forest.} 

 Dille, F. M., "Notes of occurrence and nesting of certain species additional to the 'Birds 



of Colorado,'" The Auh, Vol. XXVI, pp. 86-88, 1909. 

 Felger, A. H., "Colorado notes," The Auh, Vol. XXVI, pp. 85-86, 1909. 

 Henderson, Junius, "Boulder, Colorado, birds increasing." The Wilson Bulletin, 



Vol. XIV, No. 39, p. 74, 1902. 

 , "Preliminary list of birds of Boulder County, Colorado." University of Colorado 



Studies, Vol. I, pp. 233-237, 1903. 

 , "Additional list of Boulder County birds, with comments thereon." University 



of Colorado Studies, Vol. II, pp. 1 07-1 12, 1904. 

 , "Bobolinks increasing at Boulder, Colorado." The Wilson Bulletin, Vol. XVI, 



No. 48, p. 92, 1904. 



, "The bobolink in Colorado." The Auh, Vol. XXI, p. 486, 1904. 



, "Colorado notes." The Auh, Vol. XXII, pp. 421, 422, 1905. 



, "With the birds in northeastern Colorado." The Wilson Bulletin, Vol. XVIII, 



No. 57, pp. 105-110, 1906. 

 , "Destruction of herons by a hailstorm." The Condor, Vol. IX, p. 162, 1907. 



[Refers to the St. Vrain heronry. Lyons Recorder first reported the occurrence in 



issue of July 18, 1907, but designated them as cranes, this writer correcting the error 



by a letter in the next issue, July 25, 1907.] 

 , "Nesting of crossbills in Colorado." The Auh, Vol. XXIV, pp. 440-442, 1907. 



[Based on Gale's notes.] 



, "Colorado notes." The Condor, Vol. IX, p. 198, 1907. 



, "An early Colorado naturalist — Denis Gale." University of Colorado Studies, 



Vol. V, pp. 25-34, 1907. [Includes some bird notes.] 

 , "The American dipper in Colorado." Bird-Lore, Vol. X, pp. 1-7, 1908. [Based 



on Boulder County observations of Gale and this writer.] 



