Contents
Birds of the Mt Katahdin Region of Maine
Ralph S. Palmer and Wendell Taber
Bird Detection by Radar
Irven O. Buss
The Birds of Mona Island, Puerto Rico
Ventura Barn
Life History of the Costa Rican Tityra
Alexander F. Skutch
Birds Observed on Espiritu Santo, New Hebrides
Walter E. Scott
Some Notes on Trinidad Birds
Phillips B. Street
Bird Notes from El Bahira, Tunis
F. H. Bezdek
On the African Barbets
R. E. Moreau
Southward Invasion in Georgia
Eugene P. Odum and Thomas D. Burleigh
Ornithological Results of the Baffin Island Expeditions of 1928-1929 and 1930-1931, Together with More Recent Records
J. Dewey Soper
Twenty-first Supplement to the American Ornithologists' Union Check-list of North American Birds
The Auk
Recent Literature
The Auk
Notes and News
The Auk
General Notes
The Red-spotted Bluethroats of Northwestern Alaska
Herbert Friedmann
The Range of Francolinus Finschi Extended Northward
James P. Chapin
Robins' Nests on Tree Branches Overhanging Roads
Gerald B. Webb
An Unusual Nest of the House Wren
John A. Gillespie
Rare Egg-laying Date for the Canada Goose
Cecil S. Williams
Red-eyed Vireo Nesting in Hemlock
Arthur B. Williams
Land Birds at Sea
John L. Buckley
Tree Swallow Mortality from Exposure during Unseasonable Weather
Wilford A. Dence
Mallard Nesting in Tree Cavity
Homer F. Price
Food of a Yellow-crowned Night Heron
Homer F. Price
White Eggs of the Long-billed Marsh Wren
John W. Aldrich
Audubon and Anting
Francis H. Allen
Evening Grosbeaks in Southwestern Virginia
Henry M. Stevenson
Evening Grosbeaks in Maryland
Woodrow W. Middlekauff
Evening Grosbeaks in the Adirondacks in Late June
Frank B. Barick
Chimney Swift (?) in Ecuador
W. H. Camp
Evening Grosbeak in West Virginia
William A. Lunk
Olivaceous Flycatcher in South Carolina
Alexander Sprunt Jr.
Gyrfalcon in South Dakota
W. H. Over
First Record of Harris's Sparrow in Connecticut
Stanley C. Ball
A Whistling Swan in Cuba
Abelardo Moreno
The White-fronted Goose in New Jersey
Mabel M. and C. K. Nichols
Burrowing Owl in Ohio
Homer F. Price
Additions to the Florida List
Francis M. Weston
Notes from Idaho
Harold M. Webster Jr.
The Barbets--errata and Addenda
S. Dillon Ripley
Correspondence
African Capitonidae
Charles M. N. White
Covers
Front Matter
The Auk
Back Matter
The Auk