i&irti*lore 



January - February, 1909 



CONTENTS 



GENERAL ARTICLES ; 



I'RONTisriECE IN Coi.OR. Crested, Arizon'a Crested, Ash-throated and Oliva- 

 ceous Flycatchers Bruce Horsjall . . 



The Hollow Tree. Illustrated, Ernest Thompson Selon. . 



Loon. Illustration J . S. Perry .. 



The Feud of the Crows and the Owl. Illustrated. .. .Fra«^ M. Chapman. . 



Birds Seen in Prospect Park, Brooklyn, During iqo8 



Kate P. and E. W. Vietor . . 



The Comradeship of Redpolls. Illustrated E. J. Sawyer . . 



Notes on Pacific Coast Shore Birds. IWustrnted. . .John Treadwell Nichols . . 



Tui- Migration of Flycatchers. Eighth and concluding paper. Illustrated by 



Louis Agassiz Fuertes and Bruce Horsjall ., W . W . Coike . . 



THE NDfTH CHRISTMAS BIRD CENSUS 



EDITORIAL 



AUDUBON SOCIETIES 

 EDUCATIONAL LEAFLET NO. 36. 



-SCHOOL DEPARTMENT Mabel Osgood Wright . 



15 

 37 

 38 



The Mallard, with colored plates by Allen Brooks 

 Edward Howe Forbush . . 



AUDUBON SOCIETIES— EXECUTIVE DEPARTMENT 48 



National Conserv.\tion Commission; State Audubon Reports; Audubon 

 Warden Murdered; Third Audubon Warden Murdered; Mosquito 

 Inlet Reservation; Foreign Relations; Legislation; A Reason for 

 Decrease of Bob-White; Bird Bulletins; Bird-boxes; Cats; A Valu- 

 able Experiment; Willow Island Fund; The Agassiz Association. 



.fl, ^Manuscripts intended for publication, books, etc., for review and exchanges, should be 

 sent to the Editor, at the American Museum of Natural History, 77th Street and 8th Avenue, 

 New York City, N. Y. 



Notices of changes of addresses, renewals and subscriptions should be sent to 

 BIRD-LORE. HARRISBURG. PA. 



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On receipt of your renewal, we will 

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