PLATE XII 



1. BAY-BREASTED WARBLER, MALE. 



2. BAY-BREASTED WARBLER, FEMALE. 



3. BAY-BREASTED WARBLER, YOUNG. 



(ONE-HALF NATURAL SIZE.) 



4. CHESTNUT- SIDED WARBLER, MALE. 



5. CHESTNUT-SIDED WARBLER, FEMALE 



6. CHESTNUT-SIDED WARBLER, YOUNG. 



