CONTENTS 
The Yellow-billed Loon: A Problem in Migration Wells W. Coolce 
Notes on the' Nesting of the White-tailed Ptarmigan in Colorado (with five 
photos) W. C. Bradbury 
Characteristic Birds of the Dakota Prairies. II. Along the Lake Borders 
Florence Merriam Bailey 
213 
214 
222 
226 
228 
A Convenient Collecting Gun (with one photo) Loye Holmes Miller 
Further Remarks upon the Kern Red-wing Joseph Mailliard 
Nesting of the White-tailed Kite at Sespe, Ventura County, California (with 
two photos) Lawrence Peyton 230 
Additional Observations on the Birds of the Lower Colorado Valley in Cali- 
fornia A. Brazier Howell and A. van Rossem 232 
FROM FIELD AND STUDY: 
Arizona Hooded Oriole in the Fresno District Winifred N. Wear 234 
Nesting of Wild Ducks near San Francisco W. A. Squires 234 
Western Bluebird Nesting in Los Angeles W. Ljee Chambers 235 
The Hermit Warbler in Berkeley Amelia S. Allen 235 
Scaup Ducks Breeding in Golden Gate Park, San Francisco... 
Joseph Mailliard 235 
EDITORIAL NOTES AND NEWS 236 
PUBLICATIONS REVIEWED 236 
MINUTES OF COOPER CLUB MEETINGS 239 
INDEX TO VOLUME XVII 241 
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