Identifier: birdlore141912nati (find matches)
Title: Bird lore
Year: 1899 (1890s)
Authors: National Committee of the Audubon Societies of America National Association of Audubon Societies for the Protection of Wild Birds and Animals National Audubon Society
Subjects: Birds Birds Ornithology
Publisher: New York City : Macmillan Co.
Contributing Library: Smithsonian Institution Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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ture-Study Review .... i.ooBoth for $3.00 to New Subscribers Back numbers for 1908, 1909, and the Review for 1912 $1.25 Subscriptions inusl be sent direct, not placedthrough an agency ELLIOT R. DOWNING, Editor The University of ChicagoThe School of Education CHICAGO, ILLINOIS The Wilson Bulletin Is a quarterly journal devoted tothe study of the birds as we findthem in the fields and woods. It is particularly concerned about the studyof the whole life-history of each species,and about the effects of advancing civiliza-tion upon the lives of all birds. It urgesthe great importance of making a censusof our bird population for the purposeof determining accurately what changethere may be in numbers due to changingconditions. It is the official organ of theWilson Ornithological Club, which num-bers among its members some of themost prominent American ornithologists.Carefully selected illustrations appear ineach number. 30 cents a number; $1 a year Address LYNDS JONES, Editor, Oberlin, Ohio.
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1. Black-headed Grosbeak, Adult male 2. Black-headed Grosbeak, Adult female 3. Black-headed Grosbeak, Young male 4. Rose-breasted Grosbeak, Young male 5. Rose-breasted Grosbeak, Adult male 6. Rose-breasted Grosbeak. Adult male, winter 7. Rose-breasted Grosbeak, Female A BI-MONTHLY MAGAZINE DEVOTED TO THE STUDY AND PROTECTION OF BIRDS Official Organ of The Audubon Societies Vol. XIV May—June, 1912 No. 3 An Eighteen-Year Retrospect* By FRANK M. CHAPMAN A REVIEW of the progress which has been made in the study of NorthAmerican birds during the eighteen years since the tirst edition ofthe Handbook was pubhshed, must impress one with the fact thatit is our knowledge of hving rather than of dead birds which has increased. A more exact discrimination, larger and better collections, and graduallychanged standards as to the degree of differentiation which deserves recog-nition by name, have added many forms to our Check-List, and renderedmore definite our knowledge of the relationships of ot

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