Contents
The Nest and Eggs of the Slaty Vireo
J. Stuart Rowley and Robert T. Orr
Physical Analysis of a Simple Bird Song an Exemplified by the Chipping Sparrow
Peter Marler and Donald Isaac
Notes and News
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
From Field and Study
Changed Status of Several Species of Waterfowl in Alaska
Henry A. Hansen
Behavioral and Ecologic Notes on the Brown-headed Cowbird
Richard F. Johnston
Occurrence of the Osprey in Uruguay
Rodolfe Escalante
Another Record of the Baikal Teal in Northwestern Alaska
William J. Maher
Rare Migrants in Death Valley National Monument, California
Roland H. Wauer
Occurrence of Slaty and Dwarf Vireos in Jalisco, Mexico
W. J. Schaldach Jr.
Breeding of the Fork-tailed Petrel Off the Washington Coast
Frank Richardson
The Rusty Blackbird and Dickcissel in Oregon
Alex. Walker
Wilson Petrel Off the California Coast
I. C. Nisbet and R. G. Mccaskie
Nesting Attempt by a Pair of Barn Swallows in Northern Alaska
Henry E. Childs Jr. and William J. Maher
Rocky Mountain Race of the Williamson Sapsucker Wintering in California
Ralph J. Raitt Jr.