198 THE RAPTORIAL BIRDS OF IOWA 



Strix varia varia (Barton). 



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

 Pittsburgh to the Rocky Mts., 1819-20, p. 371. (Engineers Canton- 

 ment.) 



*Maximilian, Prince Zu Wied. Reise in das Innere Nord Americas. In 

 den Jahren 1832-34, Vol. 1, pp. 289, 339, Coblenz, 1839. 



*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, White, 

 Vol. 2, App. B, p. 424, 1870. 



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

 Boston Society of Natural History, Vol. 15, p. 233, 1872. (Decatur 

 County.) 



*Jones, Lynds, Bird Migration in the Mississippi Valley from Obser- 

 vations Collated by W. W. Cooke: Forest and Stream, Vol. 19, No. 

 16, p. 306, 1882. (Grinnell.) 



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

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



*J. M. W., Nesting of the Barred Owl: Ornithologist and Oologist, Vol. 



13, No. 3, p. 38, 1888. (Black Hawk County.) 

 Warren, B. H., Birds of Pennsylvania, p. 109, 1888. 



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

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

 1889. 



Ridgway, R., Ornithology of Illinois, p. 409, 1889. 



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

 tated Catalogue of the Birds of Iowa: Proceedings of the Davenport 

 Academy of Natural Sciences, Vol. 5, p. 129, 1889. 



*White, H. G., Geographical Variations of Eggs: Ornithologist and 



Oologist, Vol. 15, No. 1, p. 23, 1890. 

 *Kelsey, Carl, Birds of Poweshiek County, Iowa: Ornithologist and 



Oologist. Vol. 16, p. 132, 1891. 



Goss, N. S., History of the Birds of Kansas, p. 298, 1891. 



Hatch, Dr. P. L., Birds of Minnesota, p. 210, 1892. 



Bendire, Capt. Chas., Life Histories of North American Birds, p. 335. 1892. 

 (Grinnell.) 



*Preston, J. W., Ibid., p. 336. (Baxter.) 



*Osborn, Herbert, A Partial Catalogue of the Animals of Iowa Repre- 

 sented in the Collections of the Departments of Zoology and Ento- 

 mology of the Iowa Agricultural College, p. 7, 1892. 



Fisher, A. K., Hawks and Owls of the United States, p. 150, 1893. 



*Godley, A. P., Notes on the Birds of Iowa: The Iowa Ornithologist, 

 Vol. 1, No. 3, p. 61, April, 1895. (Marshall County.) 



*Bartsch, Paul, Ibid., p. 62. (Iowa City.) 



