Aptosochromatism—Birtwell—Keeler 



VOLUME III. APRIL. 1899. NUMBER 8 



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MONThLY MAG^ZIME^ 

 ^fORNIinOLOGY 







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EDITED BY 



ELLIOTT COUES 



AfjO 



THEODORE GILL. 



Washington. D. C. 



Original Articles. 



Aptosochromatism in Chrysotis levaillanti. 



Francis Joseph Birlwell. Illustrated ll'S 



Charles Hallock. Elliotl Coues. Illustrated.. 117 



The Prairie Horned Lark. Rev. P. B. Peabody 118 



Chickadee Habits. C. H. Morrell 119 



The Pas.'-ing of the Bluebird. Clms S. Rcid .. 121 



Nocturnal Migration. 0. G.Lihby 121 



Editorial Eyrie 123 



Letter Bo.y 



A Protest Against Canon XL. Merrilt Cary... 125 

 Snowy Owl from Life. Eugene S. Rolfe. Illus- 

 trated 125 



PiciEON Holes. 



jS'est and Eggs of the Alder Flycatcher. 



Ellioll Coues. Illustrated 126 



In the Ospbey's Claws. 



The University of Nebraska. E. C. 126 



Bulletin of the Cooper Ornithological Club. 



E. C. 126 



Evolution of the Colors of North American 

 Birds. E. C. 126 



1 



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THE OSPRLY COMPANY, 



321-323 M STREET. r -^-^ WASHINOTON. D. C. 



Entered as Seccio-class Mail Matter at the WASHriGTON, D. C, Post Office, 1898 

 PUBLISHERS' NOTE.— We are obliged to go to press without the colored plate ordered to illustrate Biitwell 

 on Aptosochromatism. We will publish the Birtwell plale in the May number, if received in time. 



