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Sierra Forms on the Coast of Sonoma County, California
Joseph Mailliard

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A Bit of Early California Natural History
Frank S. Daggett

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Summer Birds of the Upper Salinas Valley and Adjacent Foothills
G. Willett

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Field Notes from Alaska
Joseph Dixon

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The Nesting of the Rocky Mountain Screech Owl in Wyoming
Chas. W. Metz

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Birds on the Navajo Reservation in New Mexico
M. French Gilman

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An Annotated List of the Birds of Mesa County, Colorado
Robert B. Rockwell

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Editorial Notes
Joseph Grinnell

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Minutes of Cooper Club Meetings
J.S. Hunter, H.T. Clifton, and J. Eugene Law

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Back Matter (PDF)
The Condor

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Front Matter (PDF)
The Condor

A Correction
C. B. Linton

The Virginia Rail (rallus Virginianus) Breeding in Mexico
F. A. Goldman

Microscopic Subspecies
C. B. Linton

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Otocoris Alpestris Insularis on the Mainland Coast
C. B. Linton

The Western Tanager in San Francisco
Clark C. Fleet

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The Southern Limit of the Chestnut-backed Chickadee (parus Rufescens) on the California Coast
Joseph Mailliard

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Is Not the San Clemente Shrike (lanius L Mearnsi) Identical with the Island Shrike (lanius L Anthonyi)?
C. B. Linton

A One-legged Red-winged Blackbird
R. B. Rockwell

Forbush Sparrow in Southern California
C. B. Linton