Contents
Probable Common X Roseate Tern Hybrids
Helen Hays
In Memoriam: Amelia Rudolph Laskey
Katherine A. Goodpasture
Feeding Ecology of Three Resident Sympatric Sparrows in Eastern Texas
Pierre N. Allaire and Charles D. Fisher
Reproductive Ecology of the Western Gull: the Importance of Nest Spacing
George L. Hunt Jr. and Molly W. Hunt
Ecological Studies of the Auckland Islands Flightless Teal
Milton W. Weller
Some Winter and Nesting Season Foods of the Common Raven in Virginia
Richard F. Harlow, Robert G. Hooper, Dwight R. Chamberlain, and Hewlette S. Crawford
The Communication of Intraspecific Aggression in the Common Loon
Lynda Rummel and Charles Goetzinger
Proceedings of the Ninety-second Stated Meeting of the American Ornithologists' Union
George E. Watson
Letter to the Editor
The Auk
Errata and Addenda
The Auk
Notes and News
The Auk
General Notes
Longevity Records for Ring-billed Gulls
William E. Southern
Abnormal Anous Stolidus from Christmas Island, Pacific Ocean
Ralph W. Schreiber
Agapornis Fischeri Reichenow in Kenya?
G. R. Someren
Orientation of Entrances to Woodpecker Nest Cavities
Richard N. Conner
An Evaluation of the Supposed Anhinga of Mauritius
Storrs L. Olson
On the Function of the Posterior Iliotrochantericus Muscle in Young Whistling Ducks (dendrocygna Autumnalis)
M. K. Rylander
Eggs of Other Species in Great Horned Owl Nests
C. Stuart Houston and D. W. Whitfield
Heron Expansion in the Atacama Desert
Robert W. Mcfarlane
Variation in the Everglade Kite
Dean Amadon
Food Storage and Winter Territory in Red-headed Woodpeckers in Northwestern Louisiana
Michael H. Macroberts
Bill Size, Food Size, and Jaw Forces of Insectivorous Birds
Roger J. Lederer
Mexican Crow Invades South Texas
John Arvin, Jimmie Arvin, Clarence Cottam, and George Unland
Arctic Loon Checking" Nest"
Martin K. Mcnicholl
A New Prey-pursuit Behavior by White-tailed Kites
Bruce C. Thompson
Covers
Front Matter
The Auk
Back Matter
The Auk