/Remoirs of tbe /IDuseum ot Comparative ZoiJlog? 



AT HARVARD COLLEGE. 

 Vol. XL. No. C. 



BREWSTER\S WARBLER 



{HELMINTH OFHILA LE UCOBR ONCHIALIS ) 



A HYBRID BETWEEN 

 THE GOLDEN-WINGED WARBLER (HRLMIXTHOPHILA CHRYSOPTERA) 



AND 



THE BLUE-WINGED WARBLER {HELMINTHOPHILA PINUS). 



BY 

 WALTER FAXON. 



CAMBRIDGE, U. S. A.: 



IPr(nte& for tbe /Uuseurn, 



August, 1913. 



