Contents
Meteorological Variables and the Northward Movement of Nocturnal Land Bird Migrants
Gilbert S. Raynor
The Monotony-threshold in Singing Birds
Charles Hartshorne
Observations of a Nesting Colony of American Brant
Thomas W. Barry
Compass Directional Training of Western Meadowlarks (sturnella Neglecta)
Ursula Von Saint-Paul
Variation in Carolina Wren Songs
Donald J. Borror
A Pox Virus of the Slate-colored Junco
C. Brooke Worth
The Migrant Loons of Western Pennsylvania
F. W. Preston
Food Habits of the King Rail in the Arkansas Rice Fields
Brooke Meanley
Recent Literature
The Auk
Notes and News
The Auk
Obituaries
The Auk
General Notes
An Interesting Displacement Movement in a Slate-colored Junco
Louise De Kiriline Lawrence
The Following Reaction in a Brood of Mute Swans
Louise De Kiriline Lawrence
Behavior of a Pratincole
M. Moynihan
Unusual Bird Records for Ohio
Milton B. Trautman
Ten-year Life History of a Banded Chimney Swift
Ralph W. Dexter
Preservation of Birds' Nests with Plastic Spray
J. L. Spencer and W. C. Kennard
Large Swainson's Hawk Flight in South Texas
Robert P. Fox
Vultures as Disseminators of Anthrax
Dillman S. Bullock
Red-wing Nesting in Bird House
Robert W. Nero
A Cowbird Incident
A. Dawes Dubois
Robin (turdus Migratorius) Feeding on Ocean Beach
Walden Pell II
Baldpate (mareca Americana) Nesting in Minnesota
Frank R. Martin
Unusual Behavior of a Golden Eagle in Southeastern New Mexico
Allen E. Anderson
Tree Sparrows (spizella Arborea) Feeding on the Common Reed
Maurice L. Russak
Marsh Hawk Pursues Domestic Cat
Daniel D. Berger
Relation of the Tail Length of Cock Ring-necked Pheasants to Harem Size
Aelred D. Geis and Lucien H. Elbert
Mourning Dove and Dickcissel on the Atlantic Ocean
Donald W. Lamm
Masked Duck and Jacana at Brownsville, Texas
Frederick W. Loetscher Jr.
Masked Duck in Florida
Frances Hames
Covers
Front Matter
The Auk
Back Matter
The Auk