Memoirs of the Museum of Comparative Zodlogy 
AT HARVARD COLLEGE. 
Vou. XL. No. 6. 
BREWSTER’S WARBLER 
(HELMINTHOPHILA LEUCOBRONCHIALIS) 
A HYBRID BETWEEN 
THE GOLDEN-WINGED WARBLER (HELMINTHOPHILA CHRYSOPTERA) 
AND 
THE BLUE-WINGED WARBLER (HELMINTHOPHILA PINUS). 
BY 
WALTER FAXON. 
CAMBRIDGE, U. S. A.: 
Printed for the Museum. 
Auvaust, 19138. 
