BIBLIOGRAPHY OF THE MARSH HAWK 65 



Circus Lacepede, Tableaux Ois., 4, 1799, Type, by subs, desig., Falco aeru- 

 ginosus Linnaeus (Lesson, 1828). 



Falco hudsonius Linnaeus, Syst. Nat., ed. 12, I, 128, 1766 (Hudson Bay). 

 Circus hudsonius (Linnaeus). 



*Falco (Circus Bech.) uliginesus. Say, Thomas, in Major S. H. Long's 

 Account of an Expedition from Pittsburgh to the Rocky Mts., 1819-20, 

 p. 370. (Engineers Cantonment, Pottawattamie county.) 



*Circus hudsonius Linn. Baird, S. F., 9th Pacific R. R. Report. Part 2, 

 Birds, p. 40, 1858. (Quasqueton.) 



*Circus hudsonius Linn. Baird, North American Birds of 1860, p. 40. 



(Quasqueton.) 

 *Circus hudsonius Vieill. 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. 500, 1868. (Deni- 



son.) 

 *Circus hudsonius Viell. Allen, J. A., Catalogue of the Birds of Iowa: 



Geology of Iowa, White, Vol. 2, App. B, p. 424, 1870. 

 *Circus hudsonius. 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.) 

 *Circus hudsonius. Williams, H. S., Seasons and Birds of the Prairie: 



Forest and Stream, Vol. 22, No. 21, p. 403. (Charles City.) 

 *Circus hudsonius. Preston, J. W., Hawk Notes: Ornithologist and Ool- 



ogist, Vol. 10, No. 3, p. 35, 1885. (Baxter.) 



Circus hudsonius. Warren, B. H., Birds of Pennsylvania, pp. 74-75, 1888. 

 *Circus hudsonius. Webster, E. B., Migration Report: The Hawkeye 



Ornithologist and Oologist, Vol. 1, No. 3, p. 44, 1888. (Cresco.) 

 *Circus hudsonius (Linn.). Jones, L., and Parker, W. H., Ibid. (Grinnell.) 

 *Circus hudsonius (Linn.). Preston, J. W., Ibid. (Newton.) 

 Circus hudsonius. Cooke, W. W., Bird Migration in the Mississippi Valley, 



p. 113, 1888. 



*Circus hudsonius. 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. 



*Circus hudsonius (Linn.). Keyes, Charles RoHin, and Williams. H. S., 

 M. D., Preliminary Annotated Catalogue of the" Birds of Iowa: Pro- 

 ceedings of the Davenport Academy of Natural Sciences, Vol. 5, p. 

 126, 1888. 



*Circus hudsonius. Crone, J. V., Summer Residents of Buena Vista Coun- 

 ty, Iowa: The Oologist, Vol. 7, No. 3, p. 46, 1890. 



*Circus hudsonius. Norris, J. P., A Series of Eggs of the Marsh Hawk: 

 Ornithologist and Oologist, Vol. 15, No. 5, p. 72, 1890. (Baxter.) 



*Circus hudsonius. Kelsey, Carl, Birds of Poweshiek County, Iowa: Orni- 

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



*Circus hudsonius. Sheldon, Frank W., In Camp at Twin Lakes: Ornithol- 

 ogist and Oologist, Vol. 16, No. 10, p. 157, 1891. 

 r. 



