EIGHTEENTH CHRISTMAS BIRD CENSUS 



VOL. XX 

 No. 1 



JANUARY— FEBRUARY, 1918 



30c. a Copy 

 $1 .50 a Year 





K R I T K I> H Y 



FRANK M. CHAPMAN 



Pl.'HI.lHUKO KOH TUB AUOUKON SoOIETIKB 

 KT 



!>♦ ^ppleton & Company 



HARRISBURG. PA. 



NEW YORK 



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COPYRIGMT. lyiH BY FMANK M CHAPMA 



