•' 



THE CONDOR 



A. Magazine of "Western OmitHology 

 Published Bi-Monthly by the Cooper Ornithological Club 



Entered as second-class matter February, 1908, at the post-office at I,os Angeles (Hollywood 



Station) , California, under Act of Congress of March 3, 1879. 



Issued from the Office of The Condor, care E. D. Dietz, First National Bank, Hollywood, California 



SUBSCRIPTION RATES 



Two Dollars per Year in the United States, payable in advance. 



Thirty Cents the single copy. 



Two Dollars and Twenty-five Cents per Year in all other countries in the International Postal Union. 



COOPER CLUB DUES 



Two Dollars per year for members residing in the United States. 

 Two Dollars and Twenty-five Cents in all other countries. 



Manuscripts for publication, and Books and Papers for Review, should be sent to the Editor, J. Grinnell, 



Museum of Vertebrate Zoology, University of California, Berkeley, California. 

 Claims for missing or imperfect numbers should be made of the Business Manager, as addressed below, 



within thirty days of date of issue. 

 Cooper Club Dues, Subscriptions to The Condor, and Exchanges, should be sent to the Business 



Manager. 

 For the Purchase of Back Volumes of The Condor or of the Pacific Coast Avifauna series, apply to the 



Business Manager. 



Address W. X,ee Chambers, Business Manager, Eagle Rock, I,os Angeles County, California. 



CONTENTS 



Nesting of the Rocky Mountain Jay (with eleven photos )..„W C. Bradbury 197 



Description of a New Lanius from Lower California H. C. OberJiolser 209 



FROM FIELD AND STUDY 



The Kaeding Petrel in California Loye Miller 211 



First Occurrence of the Dwarf Cowbird in the San Bernardino 



Valley Wilson G. Hanna 211 



First Flights of a Young Golden Eagle Loye Miller 212 



Some Texas Bird Notes Austin Paul Smith 212 



EDITORIAL NOTES AND NEWS 213 



COMMUNICATION: Trinomials and Current Practice P. A. Taverner 213 



INDEX TO VOLUME XX 217 



