. The Auk. Birds. 70 Tinker, Ornithology of Clay and Palo Alto Counties, la. fAuk [Jan. NOTES ON THE ORNITHOLOGY OF CLAY AND PALO ALTO COUNTIES, IOWA. BY A. D. TINKER.^ Plates XI~Xn. The following paper is based upon material secured by the University of Michigan-Walker Expedition to northwestern Iowa in the summer of 1907. The field notes are those of Alexander G. Ruthven, who has also supplied the general summary of the habitat. JEROKEJE j I poJjAKOI^S 'Cherok^ , i bUENA VISTA j Pocajiontas* X ag S10 r m L;a k e/ 1 Fig. 1. Map showing area covered by survey. distribution and has assisted in
. The Auk. Birds. 70 Tinker, Ornithology of Clay and Palo Alto Counties, la. fAuk [Jan. NOTES ON THE ORNITHOLOGY OF CLAY AND PALO ALTO COUNTIES, IOWA. BY A. D. TINKER.^ Plates XI~Xn. The following paper is based upon material secured by the University of Michigan-Walker Expedition to northwestern Iowa in the summer of 1907. The field notes are those of Alexander G. Ruthven, who has also supplied the general summary of the habitat. JEROKEJE j I poJjAKOI^S 'Cherok^ , i bUENA VISTA j Pocajiontas* X ag S10 r m L;a k e/ 1 Fig. 1. Map showing area covered by survey. distribution and has assisted in the preparation of the paper. The field work was done by Drs. Ruthven and Max M. Peet, and cov- ered the period between July 1 and September L Three papers ^ have appeared on the results of this work. ' Museum of Zoology, University of Michigan. 2 Ruthven, Alexander G., The Faunal Affinities of the Prairie Region of Central North America. Amer. Nat., XLII, pp. 388-393. Contributions to the Her- petology of Iowa. Proc. Iowa Acad. Sci., 1910, pp. 198-209. Ruthven, Alexander G., and Wood, Norman A., Notes on a Collection of Mammals from North- western Iowa, ibid., 1912, pp. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Ornithologists' Union. Washington, D. C. : American Ornithologists' Union, etc.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
