Contents
Recent Observations on Birds of Anaho Island, Pyramid Lake, Nevada
David B. Marshall and Leroy W. Giles
Life History of the Southern House Wren
Alexander F. Skutch
Notes and News
The Condor
Cooper Society Meetings
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
From Field and Study
A Young California Condor (a Photograph)
Carl B. Koford
Protracted Incubation Behavior of a Female American Goldfinch
Andrew J. Berger
Lapland Longspur and Snow Bunting Recorded in Utah
Merlin L. Killpack
Hybridization of Cinnamon and Blue-winged Teal in Northeastern California
William Anderson and A. W. Miller
Additional Notes on Korean Birds
Richard M. Straw
Erythrocyte Permeability and Bird Relationships
Richard F. Johnston and Benjamin Hochman
Rufous Hummingbird Nesting in California
Robert R. Talmadge
Unrecorded Specimens of Neochloe Brevipennis Taken in Oaxaca
Marjorie A. Briggs
Three Cases of Twin Embryos in Passerine Birds
Andrew J. Berger
Wilson Phalaropes as Commensals
George G. Williams
Dipper Eaten by Brook Trout
Ned K. Johnson
Notes on the Red Crossbills of the Uinta and Wasatch Mountains, Utah
Robert K. Selander
American Golden-eye in Sonora, Mexico
Ernest S. Booth
Additional Bird Records from Southern Nevada
Gordon W. Gullion
The Breeding Distribution of Chordeiles Minor in Mexico
Robert K. Selander and Miguel Alvarez Toro
English Sparrows Nesting Within Nest of Red-tailed Hawks
G. Victor Morejohn
Publications Reviewed
The Study of Instinct, by N. Tinbergen
Frank A. Pitelka