Contents
Yellow-bellied Flycatcher Nesting in Michigan
Lawrence H. Walkinshaw and C. J. Henry
Nesting Success in Altricial Birds
Margaret Morse Nice
In Memoriam: Josselyn Van Tyne
Harold Mayfield
An Embryological Comparison of the Domestic Fowl and the Red-winged Blackbird
Joseph Carl Daniel Jr.
The Arrival of Continental Migrants in Western Japan
H. Elliott Mcclure and Masashi Yoshii
The Response of Chicks of the Franklin's Gull to Parental Bill-color
Elsie C. Collias and Nicholas E. Collias
Notes on the Song Sparrows of the Mexican Plateau
Allan R. Phillips and Robert W. Dickerman
Recent Literature
The Auk
Notes and News
The Auk
General Notes
Species Limitation in Certain Groups of the Swift Genus Chaetura
Alexander Wetmore
The First Primary in Swifts
David Lack
Incubation and Nestling Periods of the Olive-sided Flycatcher
Lawrence H. Walkinshaw and C. J. Henry
Display of the Least Grebe
Dale A. Zimmerman
Flight Behavior of a Flock of Slate-colored Juncos in the Late Afternoon
Winifred S. Sabine
Redheads Killed by a Downdraft
Henry Rate
Observations on the Diving of the Surf Scoter (melanitta Perspicillata)
Philip S. Humphrey
Food of the Black Skimmer (rynchops Nigra)
B. B. Leavitt
The Gray Lag-goose in Massachusetts: Correction
Dorothy E. Snyder
Covers
Front Matter
The Auk
Back Matter
The Auk