Bulletin of the Museum of Comparative Zoology 



AT HARVARD COLLEGE. 



Vol. LXIV. No. 4. 



NOTES ON SOME AMERICAN BIRDS, CHIEFLY 

 NEOTROPICAL 



By OuTRAM Bangs and Thomas E. Penard. 



CAMBRIDGE, MASS., U. S. A : 

 PRINTED FOR THE MUSEUM. 

 January, 1921. 



