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An Evaluation of the Fossil Anhingas of Australia
Alden H. Miller

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Food of Nestling Yellow-headed Blackbirds, Carlboo Parklands, British Columbia
Gordon H. Orians

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Nasal Salt Secretion in Falconiform Birds
Tom J. Cade and Lewis Greenwald

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Biology of the Mountain Bluebird in Montana
Harry W. Power III

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A Viewpoint Concerning the Significance of Studies of Game Bird Food Habits
Gordon W. Gullion

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Effects of Extended Tropical Photoperiod and Temperature on the Dickcissel
John L. Zimmerman

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Water Economy of the White-crowned Sparrow and Its Use of Saline Water
Richard E. Macmillen and John C. Snelling

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Corrigenda
The Condor

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News and Notes
The Condor

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Membership Directory
The Condor

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Back Matter (PDF)
The Condor

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Front Matter (PDF)
The Condor

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Noteworthy Records of Utah Birds
William H. Behle

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An Addition to the Bird Fauna of the Barstow Miocene
Loye Miller

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Confused Nocturnal Behavior of (? California)gulls
D. Amadon

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A Specimen of the Vermilion Flycatcher from Oklahoma
John A. Wiens

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Additional Records of Whistling Swans Feeding in Dry Fields
James Tate Jr. and D. Jean Tate

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Homosexual Behavior in Wild Orange-fronted Parakeets
O. Marcus Buchanan

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Breeding Record of the Cassin Sparrow (aimophila Cassinii) in Arizona
Robert D. Ohmart

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Notes on Costa Rican Birds
Larry L. Wolf