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Apparent Intelligence of the Sparrow (passer D. Domesticus) and Starling (sturnus V. Vulgaris) at the Trap
L. S. V. Venables

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Additional Records of Protocalliphora
Edward S. Thomas

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Two White-throated Sparrow Returns
Marion A. Boggs

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Known History of Eastern Ph[oe]be B127877
Lewis O. Shelley

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Sparrow Migration at Shirley, Massachusetts
E. M. Davis

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A Tree Swallow Rears a Cliff Swallow
Lewis O. Shellet

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Back Matter (PDF)
Bird-Banding

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Front Matter (PDF)
Bird-Banding

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The Function of Sexual Fighting in Birds; and the Problem of the Origin of Territory""
N. Tinbergen

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A List of External Parasites from Birds of the Eastern Part of the United States
Harold S. Peters

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An Analysis of Some Banding Records of the Eastern Red-wing
Fred Mallery Packard

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Recoveries of Banded Birds of Prey
Frederick C. Lincoln

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Our New Cover Picture
Bird-Banding

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Life Histories of North American Birds
Arthur Cleveland Bent

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A Letter from William J. Lyon to Ira N. Gabrielson, Chief U.s. Bureau of Biological Survey, Proposing a Change in the Inscription on Bird Bands
Bird-Banding

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Recent Literature
Bird-Banding