File:Handbook of birds of eastern North America, with keys to the species and descriptions of their plumages, nests, and eggs (1901) (14562307360).jpg

Identifier: handbookofbirdso00chap (find matches)
Title: Handbook of birds of eastern North America, with keys to the species and descriptions of their plumages, nests, and eggs ..
Year: 1901 (1900s)
Authors: Chapman, Frank M. (Frank Michler), 1864-1945
Subjects: Birds
Publisher: New York, D. Appleton and Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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that is, we begin withthe oldest or lowest forms of birds, Loons, Grebes, etc., and end with * The Ameriean Ornithologists Union is the leading society of its kind inthis country. Its membership includes the foremost ornithologists of the world,and is divided into four classes : 1. Honorary members, limited to 25 in number.2. Active members, limited to 50 in number, who must be residents of NorthAmerica. 3. Corresponding members, limited to 100 in number ; and 4. Asso-ciate members, who must be residents of North America, and are not limited asto number. The total membership of the Union in December, 1894, was 616.Annual meetings are held, usually in Washington, New York, or Cambridge.The Auk, the official organ of the Union, is a quarterly journal under the editor-ship of Dr. J. A. Allen, at the American Museum of Natural History. 32 USE OF THE KEYS. 33 the most highly developed ones, Thrushes, Bluebirds, etc. Two maindivisions are given: first. Water Birds; second, Land Birds. In no
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2 .abe u • (-4 ojO .a ft a t^ bo o o. o H ©» case will it be difficult to decide in which of these groups a bird be-longs. Now glance over the illustrations and select the one whichyou think most nearly resembles the bird you are identifying. At 34: USE OF THE KEYS. each step test your decision by reading the brief diagnoses of ordersand families. In this way you may readily place your bird in itsproper family. The Keys to Species.—If a bird always wore the same plumage itwould be a comparatively easy matter to place it in a certain section

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