Contents
Incubation Advanced
Corydon Chamberlin
Vocal Powers of the Yellow-billed Magpie
H. K. Noack
Some Echoes from the Sierras
C. Barlow
Nesting of the Ruby-crowned Kinglet
H. F. Bailey
Notes on the Black-throated Gray Warbler
C. W. Bowles
Winter Plumage of the Black-tailed Gnatcatcher
H. S. Swarth
An Unusual Set of Eggs of Clarke Nutcracker
H. C. Johnson
Notes on the Verdin
M. French Gilman
The Southern White-headed Woodpecker
Joseph Grinnell
A Domesticated White Pelican
A.P. Redington
Publications Reviewed
W. K. P. and J. G.
Correspondence
R. H. Beck
Publications Received
The Condor
Obituary: Miss Mollie Bryan
The Condor
Official Minutes Northern Division
C. Barlow
Official Minutes Southern Division
Howard Robertson
From Field and Study
Vermilion Flycatcher at Escondido
Nelson Carpenter
Large Set of Cactus Wren
Wilson C. Hanna
Arizona Goldfinch in Los Angeles County
H. S. Swarth
Western Blue Grosbeak in Northern Colorado
Fred M. Dille
Odd Gyrations of Hummingbirds
Anna Head
The Rose-breasted Grosbeak in Colorado
W. L. Burnett
Nightingales in California; a Query
Anna Head
Straggler in Los Angeles County
H. S. Swarth
An Unusual Sight
Joseph Mailliard
Wren-tit Building in a Tree
Joseph Mailliard