19 



18 



20 



L. WOOD. DEL. 



Plate 4. 



l!t'R. ENCiRAVI 



SOME USEFUL BIRDS 



15. Maryland Yellow Throat. 16. Cedar Waxwing, or "Cherry Bird." 17. Chestnut- 

 sided Warbler. 18. Purple Crackle; Crow Blackbird. 19. Bluebird. 20. Blackburnian 

 Warbler. 21. Rose-breasted Grosbeak. 



