APPENDIX A 



ggg. Without necklace across breast, 

 h. Chestnut in middle of back Prairie 



Warbler, ad. 

 hh. No chestnut in back Prairie Warbler. 



9 sometimes. 



dd. With black streaks on throat. 

 e. Auriculars yellow Black-throated Green 



Warbler. 9 



ee. Auriculars rufous, surrounded on the front, 

 back, and below by yellow; crown black 

 Cape May Warbler, cf 

 eee. Auriculars neither rufous nor yellow. 

 f . Rump pale yellow Cape May Warbler, 

 ff. Rump not pale yellow. 

 g. Paler, no chestnut on back Prairie Warbler. 



9 sometimes. 

 gg. Brighter, chestnut spots on back Prairie 



Warbler, ad. 

 ddd. With chestnut-rufous streaks or spots on 



throat. 



e. Yellow in tail, chestnut cap Yellow Warbler, 

 ee. No yellow in tail, chestnut cap. 

 f. Entire under parts bright rich yellow 



Yellow Palm Warbler. 



ff. Throat and breast yellow, belly yellowish- 

 white Palm Warbler, 

 ccccccccc. Throat sulphur yellow, streaked with black 



Water Thrush. 



cccccccccc. Center of throat white, sides of throat oliv 

 with darker shaft-streak Olive-sided 

 Flycatcher. 



bbbbb. Under parts cut or patched into two or more 

 colors, or with a single blotch (without streaks 

 or narrow bars). 

 c. Throat white. 

 d. With black on breast. 

 e. A small black blotch in center of breast Tree 



Sparrow. 



ee. Large black patch on breast, 

 f. Crown and back blue, crested Blue Jay. 



73 



