Contents
Black-capped Gnatcatcher, a New Breeding Bird for the United States; with a Key to the North American Species of Polioptila
Allan R. Phillips, Steven Speich, and William Harrison
Summer Foods of Cattle Egrets in North Central Florida
Michael J. Fogarty and Willa Mae Hetrick
The Effect on Pigeon Homing of Anesthesia during Displacement
Charles Walcott and Klaus Schmidt-Koenig
Seasonal Changes in the Internal Anatomy of Spruce Grouse in Alberta
B. A. Pendergast and D. A. Boag
Transferrin Polymorphisms in the Ring-necked Pheasant
David G. Montag and Robert B. Dahlgren
Coexistence of Bewick's Wrens and House Wrens in Oregon
Donald E. Kroodsma
Development of Young Horned Larks
Robert C. Beason and Edwin C. Franks
In Memoriam: Edwin Richard Kalmbach
Jack F. Welch
A Radio-biotelemetry System for Monitoring Body Temperature and Activity Levels in the Zebra Finch
Vaughan A. Langman
The Relationships of the Silky Flycatchers
Charles G. Sibley
Thirty-second Supplement to the American Ornithologists' Union Check-list of North American Birds
The Auk
Periodical Literature
The Auk
Obituaries
The Auk
Letter to the Editor
The Auk
Notes and News
The Auk
General Notes
A White-winged Black Tern Specimen from Canada
P. A. Pearce
First Specimen of Arctic Loon from Texas
Keith A. Arnold and James C. Henderson
Absence of the Ambiens Muscle in the Common Myna: a Correction
Robert J. Raikow
Egg Size and Shell Thickness in the Franklin's Gull
Joanna Burger
Propagation of Barn Owls in Captivity
John R. Maestrelli
An Erythristic Specimen of the Rufous-sided Towhee
Jon S. Greenlaw
Dominance Relationships in Nectar-feeding Birds at St Croix
Charles F. Leck
Absence of Individual Distance" in the Tree Swallow during Adverse Weather"
Thomas C. Grubb Jr.
Growth and Development of Long-billed Curlew Chicks
Dennis M. Forsythe
Pleistocene Birds from the Valley of Mexico
Pierce Brodkorb and Allan R. Phillips
New Tern Records from Caribbean Honduras
Miklos D. F. Udvardy, Constance S. De Beausset, and Mitzi Ruby
A Second Brood Attempt by the Purple Martin
Charles Brown
Covers
Front Matter
The Auk
Back Matter
The Auk