Contents
Altitudinal Hybridization in New Guinea Honeyeaters
Ernst Mayr and E. Thomas Gilliard
Starlings as Winter Residents in the Uinta Basin, Utah
Merlin L. Killpack and Don N. Crittenden
Taxonomic Status of the Bank Swallow of North America
Samuel A. Arny
Notes and News
The Condor
Cooper Club Meetings
The Condor
Index to Volume 54
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
From Field and Study
Supplementary Bird Records for Nevada
Ned. K. Johnson and Frank Richardson
Island Record of Sanderling
Paul E. Steel
Two Nestling Robins with Abnormal Beaks
James Hodges
Notes on Bonasa and Numenius in Alaska
Ira N. Gabrielson
Black-crowned Night Heron Breeds in Heart of Mexico City
Guillermo Jose Tapia
A Hawk Owl Bathing with Snow
Tom J. Cade
Winter Status of Swallows in California
Fred G. Evenden Jr.
The Incubation Patch of the Clark Nutcracker
L. R. Mewaldt
Audible Flight of Great Horned Owls
Wendell Taber
Song in Hand-raised Meadowlarks
Margaret M. Nice
The Influence of Food Abundance on the Over-wintering of Pine Grosbeaks at College, Alaska
Tom J. Cade
Porcupine Quill Fatal to Jay
Homer V. Griffin
Publications Reviewed
The Birds of Crater Lake National Park, by Donald S. Farner
Alden H. Miller