CONTENTS 



Sierra Forms on the Coast of Sonoma County, California (with two photos) 



Joseph Mailliard 133 



A Bit of Early California Natural History Frank S. Daggett 135 



Summer Birds of the Upper Salinas Valley and Adjacent Foothills. .... (7. Willett 137 



Field Notes from Alaska Joseph Dixon 139 



The Nesting of the Rocky Mountain Screech Owl in Wyoming (with four photos) 



, \..Chas. W. Metz 143 



Birds on the Navajo Reservation in New INIexico '^M. French Gilman 146 



An Annotated List of the Birds of Mesa County, Colorado (witli'tW^d miaps'aftd nine 



photos) Robert B. Rockwell 152 



FROM FIELD AND STUDY 



IMicroscopic Subspecies C. B. Linton 181 



The Virginia Rail (Rallus virginianus) Breeding in IMexico. ..E. A. Goldman 181 



A Correction C. B. Linton 181 



The Western Tanager in San Francisco Clark C. Van Fleet 181 



Otocoris alpestris insularis on the Mainland Coast C. B. Linton 181 



The Southern Limit of the Chestnut-backed Chickadee (Parus rufescens) on the 



California Coast Joseph Mailliard 181 



Is not the San Clemente Shrike (Lanius 1. mearnsi) Identical with the Island 



Shrike (Lanius 1. anthonyi) ? C. B. Linton 182 



A One-legged Red- winged Blackbird R. B. Rockwell 182 



Forbush Sparrow in Southern California C. B. Linton 1-82 



EDITORIAL NOTES • • • 183 



MINUTES OF COOPER CLUB MEETINGS 184 



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