. A catalogue of the birds of Indiana. Birds. 62 decided relation to the hiiniidity of tlie atmosplierc, and evidences this by the preponderance of red Screech Owls in the Mississippi Valley, while east of the Alleghenies the gray phase predominates (Proc. U. S. Nat. Mue., 1S78, p. 108). In an investigation made by Dr. F. W. Langdon of a collection of Screech Owls made from southeast Indiana and southwest Ohio, he showed that of fifty-six specimens examined thirty-two were red and twenty-four gray. While the proportion de- termined by Mr. Kidgway does not hold here, the red phase predominates
. A catalogue of the birds of Indiana. Birds. 62 decided relation to the hiiniidity of tlie atmosplierc, and evidences this by the preponderance of red Screech Owls in the Mississippi Valley, while east of the Alleghenies the gray phase predominates (Proc. U. S. Nat. Mue., 1S78, p. 108). In an investigation made by Dr. F. W. Langdon of a collection of Screech Owls made from southeast Indiana and southwest Ohio, he showed that of fifty-six specimens examined thirty-two were red and twenty-four gray. While the proportion de- termined by Mr. Kidgway does not hold here, the red phase predominates (Jour. Cin. Soc. Nat. Hist., April, 1882, pp. 5'2-53). It however seems probable that this prevalence of the red phase, in some parts of our State at least, does not continue. Prior to 1882 I can remember when in Franklin County a red Screech Owl was rare; nearly all were gray. In the winter of 1886-87 red ones were abundant and gray ones exceedingly rare. Throughout the northern part of the State it has been usually understood that the gray form predominated, but some years the red phase is much more common. Prof. Evermann says of Carroll County: "In 1877-79 we got a good many Screech Owls at Camden, perhaps twenty all told, and I think there were only four or five red ones. Since 1885 I have seen four or five at Burlington, all red. Since 1886, at Terre Haute, I have seen perhaps fifteen or twenty, and only three or four of them were ; Genus BUBO Ci'vier. 141. Bubo virginiauus {Gmel.). Great Horned (ireat Horned Owl. Common resident. Breed". The most common owl, excepting [the Screech Owl. Known as "Long-Eared ;. 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 Butler, Amos W. (Amos William), 1860-1937. [S. l. : s. n.
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