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Ce Be CONDOR 
A Magazine of Western Ornithology 
Published Bi-Monthly by the Cooper Ornithological Club 
Entered as second-class matter January 25, 1922, at the post-office at Pasadena, California, under Act id 
_ of Congress of March 3, 1879. Acceptance for mailing at special rate of-pestage providedfor —— tA ee 
in Section 1103, Act of October 3,1917. Authorized January 5, 1921. E CS ee 
Issued from the Office of Tax Connor, 770 South Pasadena Avenue, Pasadena, California te a oa 
2 : res A 
SUBSCRIPTION RATES «*.. |. \ ee 
Two Dollars per Year in the United States, payable in advance. | x ~ ¥y ¥: Y 
Forty Cents the single copy. EE eb EA * ; 
Two Dollars and Twenty-five Cents per Year in all other countries in the International Postal Union. aby 
| » COOPER CLUB DUES } 
Two Dollars per year for members residing in the United States. : | f 
Two Dollars’ and Twenty-five Cents in all other countries. : 
Menuscripts for publication 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 gets: 
within thirty days of date of issue. 
Cooper Club Dues, Subscriptions to The Canuae Bi Exchanges, : should be sent to the ‘Bustnees 
Manager. EAS 
For the Purchase of Back Volumes of The Condor or of the Pacific ea Avifauna series,apply tothe . 
Business Manager. 
W. LEE CHAMBERS, Business Manager, Altadena, Los yA Be County, California. a 
Issued September 22, 1922 : 
CONTENTS 
The Mimetic Aspect of the Mocker’s Song (with four photos)................... 3 
DY enya Poeeent antec sdee stat cr ince aeronnansi sventnnnecusbnaaccaecrortneenene I OMLLOL. Bt.) OT CIG GU aes 
Our English Nomenclature _2.2.....222..2ceeeceeteceeeeeeeee wD INE ann’ Dubois 158 
Cactus Wrens’ Nests in Southern Arizona................ Florence ne erriam Batley 163 
Notes on the Summer Avifauna of Bird Island, Texas, and Vicinity (with 
SEVEN ALMISErALTONS Niel 304 Bet Ley 2 UNS a aN aun pee Alvin R. Cahn 169 
s 4 . i BN . ‘ , ¥. 
FROM FIELD AND STUDY bi ; hs, 
i an 
Top Speed of the Road-runner...0 0 baa 2 ee Ee Sieber age 180 
A Southern Station for the Harlequin Duck... aeeseceeetet. Grinnell 180 
Some New Birds for Oklahoma.............20.222..-1.--..11----- Margaret M. Nice 181 ; es 
Notes from Imperial: Valleyeg oe Oy On Nn L. HE. Wyman 181 Mt 
A Unique Breeding Colony of Least Terns....._............- Chester C. Lamb 182 We 
The Southward Range of the Santa Cruz rane writin hic Grinnell 182 Fo 
Road-runner Caught in the Act............... Oia sen y oc MOR Aldo Leopold 188 | 
The Cedar Waxwing in Mexico... siti nwt. H, Palmer’) 1365s 
Some Birds Recently Observed in Southern California..Chester C. Lamb 184 | 
Vax Switt) in Misra eyo i i Ge ..H. H. Sheldon 184 — 
Nesting of the Spotted Sandpiper on the Russian River..Claude Gignoux iv 
Additional ae of a Black-and-White Warbler in ee seohAE pee t: 
MEP A SIAC CEEOL ree Mer Du ok Ene ROM R NAAN MEE op UVE2 DD) . Grinnell 
EDITORIAL NOTES AND NEWS EGS aMPAD AWRY ah RAR LAVA Me Nl une YMeL RP LAE Ny. ASE 
MINUTES OF COOPER CLUB. MEETINGS PAM METRY It sO A Spite te sa ok 
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py am RA AION hy ; ; 20 (: 
