Plate XII 



4. Chestnu 



1. Bay-breasted Warbler. Male. ^. ^.hestnut-sided Warbler, jMale 



2. Bay-breasted Warblek. Female. 5. Chestnut-sided Wahblek^ Female 



3. Bay-rreasted Warbler, "i'oung. 6. Chestnut-sided Warbler^ 



(ONE-HALF natural SIZE.) 



X OUNG. 



