454 BULLETIN 17 0, UNITED STATES NATIONAL MUSEUM 



Hartshorn, Harold Ira. 



1918. Sparrow hawk and starling. Bird-Lore, vol. 20, p. 225-226. 

 Hasbrouck, Edwin Marble. 



1889. Summer birds of Eastland County, Texas. Auk, vol. 6, pp. 236-241. 



1893. Evolution and dichromatism in the genus Megascops. Amer. Nat., 



vol. 27, pp. 521-533, 638-649. 

 Hawes, C. A. 



1881. Bubo virginianus. Ornithologist and Oologist, vol. 6, pp. 26-27. 

 Helms, Otto. 



1926. The birds of Angmagsalik. Meddel. om Gr0nland, vol. 58, no. 4. 

 Henderson, Archibald Douglas. 



1915. Nesting of the great gray owl in central Alberta. Oologist, vol. 32, 

 pp. 2-6. 



1919. Nesting of the American hawk owl. Oologist, vol. 36, pp. 59-63. 

 1923. Further notes on the nesting of the great gray owl. Oologist, vol. 40, 



pp. 126-127. 



1925. With the early breeders. Oologist, vol. 42, pp. 50-57. 

 Henderson, Junius. 



1927. The practical value of birds. 

 Hendricks, George Bartlett. 



1935. A duck hawk attacks four people. Auk, vol. 52, p. 446. 

 Henninger, Walter Friedrich, and Jones, Lynds. 



1909. The falcons of North America. Wilson Bull., vol. 16, pp. 205-218. 

 Henshaw, Henry Wetherbee. 



1875. Report upon the ornithological collections made in portions of Nevada, 

 Utah, California, Colorado, New Mexico, and Arizona, during the 

 years 1871, 1872, 1873, and 1874. Wheeler's Rept. Expl. Surv. 

 West 100th Merid., vol. 5, pp. 131-507. 

 Hine, James Stewart. 



1919. Birds of the Katmai region. Ohio Journ. Sci., vol. 19, pp. 475-486. 

 Hix, George Edward. 



[n. d.] The birds of prey. Privately published. 

 Holland, Harold May. 



1923. Young sparrow hawks. Bird Lore, vol. 25, pp. 185-186. 



1926. Who would have thought it of Bubo? Bird-Lore, vol. 38, pp. 1-4. 

 Hollister, Ned. 



1908. Breeding of the Acadian owl in Newton County, Indiana. Auk, vol. 

 25, p. 221. 

 Holman, F. C. 



1926. Nesting of the California pigmy owl in Yosemite. Condor, vol. 28, 

 pp. 92-93. 

 Horsbrugh, Charles B. 



1915. Ornithological notes from the Alix and Buffalo Lake districts, Province 

 of Alberta, Canada. Ibis, 1915, pp. 670-689. 

 Houseman, J. E. 



1894. Nesting habits of Richardson's merlin. Oologist, vol. 11, pp. 236-237. 

 Howard, Ozra William. 



1895. [Nest of California pygmy owl.] Nidiologist, vol. 2, p. 153. 

 1902. Nesting of the prairie falcon. Condor, vol. 4, pp. 57-59. 



Howe, Reginald Heber, Jr. 



1902. Notes on various Florida birds. Contr. North American Orn., vol. 1, 

 pp. 25-32. 



