220 THE RAPTORIAL BIRDS OP IOWA 



Bubo virginianus virginianus (Gmelin). 



*Say, Thomas, in Major S. H. Long's Account of an Expedition from 

 Pittsburgh to the Rocky Mts., 1819-20, p. 370. (Engineers Canton- 

 ment. Pottawattamie County.) 



*Allen, J. A., Notes on the Birds observed in Western Iowa in the 

 months of July, August and September: Memoir of the Boston 

 Society of Natural History, Vol. 1, p. 499, 1868. 



* Allen, J. A;, Catalogue of the Birds of Iowa: Geology of Iowa, Vol. 2, 



App. B, p. 424, 1870. 

 Parker, H. W., Iowa Birds: The American Naturalist, Vol. V, p. 170, 1871. 



(Poweshiek and Jasper Counties.) 

 *Trippe, T. M., Notes on the Birds of Southern Iowa: Proceedings of the 



Boston Society of Natural History, Vol. 15, p. 232, 1872. (Decatur 



and Mahaska Counties.) 



*Beal, F. E. L., Bird Migration in the Mississippi Valley, from Notes 

 Collated by W. W. Cooke: Forest and Stream, Vol. 19, No. 16, p. 306, 

 1882. (Ames.) 



*Jones, Lynds, Ibid., p. 306. (Grinnell.) 



'Williams, Mrs. V. S., Mississippi Valley Migration: Ornithologist and 

 Oologist, Vol. 8, No. 5, p. 33, 1883. (Coralville.') 



*Wild, Doc., An Iowa Bird Hunt: Forest and Stream, Vol. 21, No. 25, p. 

 498, 1883. (Rippey.) 



*Keyes, Charles Rollin, Great Horned Owl in Iowa: Ornithologist and Oolo- 

 gist, Vol. 9, No. 2, p. 17, 1884. (Des Moines.) 



Joy, James C., Under Correspondence: The Oologist, Vol. 3, No. 2, p. 

 27, 1886. (Des Moines.) 



*Joy, James C., Great Horned Owl Eggs: The Hoosier Naturalist, Vol. 



1, No. 7, p. 112, 1886. (Des Moines.) 

 *Joy, James C., Under Oology: The Hoosier Naturalist, Vol. 1, No. 4, p. 



59. (Des Moines.) 



*Keyes, Charles Rollin, Nesting of Bubo Virginianus: Ornithologist and 

 Oologist, Vol. 13, No. 6, p. 93, 1888. (Des Moines.) 



Warren, B. H., Birds of Pennsylvania, p. 116, 1888. 

 Ridgway, R., Ornithology of Illinois, p. 418, 1889. 



*Jones, Lynds, A List of Birds found in Eastern Jasper and Western 

 Poweshiek Counties, Iowa: The Curlew, No. 6, Vol. 1, p. 52, March, 

 1889. 



*Keyes, Charles Rollin, and Williams, H. S., M. D., Preliminary Annotated 

 Catalogue of the Birds of Iowa: Proceedings of the Davenport 

 Academy of Natural Sciences, Vol. 5, p. 130, 1889. (Des Moines.) 



*F. C., (Notes), Gleanings from our Correspondents: The Oologist, Vol. 

 6, No. 7, p. 185, 1889. (Grinnell.) 



*Balliett, Letson, In Our Monthly Mixture: The Oologist, Vol. 7, No. 6, 

 p. 113, 1890. (Des Moines.) 



