CONTENTS 



Ornithology for a Student of Evolutionary Problems IFm. E. Ritter 65 



The Bird Islands of South Africa (with four photos) IV. L. Sclater 71 



Birds Collected by W. W. Brown, Jr., on Cerros, San Benito and Natividad 

 Islands in the Spring of 1906, with Notes on the Biota of the 



Islands John E. Thayer and Outram Bangs 77 



f 1 / ■ ' . ■ vi f y in Western Colorado (with one photo) Robert B. Rockwell 81 



The Breeding Birds of Escondido C. S. Sharp 84 



Gulls as Scavengers (with one photo) Walter K. Fisher 91 



Notes From the Philippines (with one photo) Joeeph Clemens 92 



^ ). ] S 94 



COMMUNICATIONS— In Regard to the Mooted Points W. Leon Dawson 95 



MINUTES OF COOPER CLUB MEETINGS 



Entered as secoud-class matter May 4, 1906, at the post office at Pasadena, California, 



under Act of .Congress of March 3, 1879. 



Issued from The Office of The Condor, 871 No. Lake Ave., Pasadena, Cal. 



CampAgassiz 



On Fallen Leaf LaKe, in tHe LaKe 

 TaKoe Forest Reserve, California 



OPEN JUNE 1st 



The camp is situated on a beautiful 

 glacier lake in the midst of a region un- 

 rivaled for its picturesque grandeur. 



Xrovit FisKing Unexcelled 



The camp is open to adults as well as 

 boys. The Boy's Camp ip under the 

 direction of "Walter R.. FisKer. For 

 booklet and information address 



W. W. PRICE, 



ALTA, PLACER CO.. CAL. 



By FRANK M. CHAPMAN 



With 24 full page colored plates, illustrating 

 male, female and young of all species, and eight 

 full page plates of nests and eggs. 



I/argre 8vo Cloth, $^.go 



The Bird, Its Form and Function, by C. 



William Beebe, with over 370 illustrations $3 35 



Peary's Nearest the Pole 450 



The Warbler 1905 and 1906, 2 Vols, complete i 50 

 The Warbler Book and Warbler, 2 Vols. 



1905-6 4 30 



Country Life in America, full year, and the 



Warbler Book 575 



The Warbler Book and Bird Lore, full year. 3 60 

 The Warbler Book and a New subscription 



to the Condor g 65 



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Prompt quotations on any Book, Magazine, 

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