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Contents

Covers

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Back Matter (PDF)
Wilson Bulletin

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Front Matter (PDF)
Wilson Bulletin

Major Papers

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Protein Relationships among Titmice (parus)
Frank B. Gill, David H. Funk, and Bengt Silverin

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Laying Dates and Clutch Size in the Great Tit
C. M. Perrins and R. H. Mccleery

Short Communications

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A Case of Polyandry in the Black-capped Chickadee
Jane Waterman, Andre Desrochers, and Susan Hannon