Contents
Bronzed Woodpecker
George Miksch Sutton
The White-throated Magpie-jay
Alexander F. Skutch
Audio-spectrographic Analysis of the Songs of the Alder Flycatcher
Peter Paul Kellogg and Robert Carrington Stein
The Question of Ten-day Incubation Periods
Margaret Morse Nice
A Pliocene Gull from Florida
Pierce Brodkorb
A Life History Study of the Yellow-throat
Robert E. Stewart
The Wilson Ornithological Club Library
Wilson Bulletin
Ornithological Literature
Wilson Bulletin
Controversial Conservation
Wilson Bulletin
Covers
Back Matter (PDF)
Wilson Bulletin
Front Matter (PDF)
Wilson Bulletin
General Notes
Unusual Behavior of an Osprey
Woodward H. Brown
A Michigan Record of the Black Rail
Robert S. Butsch
Great Blue Heron Feeding on a Muskrat
Arthur Ward Peterson
Wood Pewee Builds with Green Leaves
Katherine A. Goodpasture
Notes on Some Songs of a Pine-woods Sparrow
Jerry Stillwell and Norma Stillwell
An Extended Incubation Period of the Ruffed Grouse
Tony J. Peterle
Black Vulture Breeding in Pennsylvania
G. E. Grube