APPENDIX TO CHAPTER XIX 



817 



edge of upper bill with lobes or nicks 



near middle Tanagridce 



Bill conical, corners of mouth drawn 



down. 



d\. Bill much shorter than head, usually 

 notched at tip or with bristles at 

 rictus ...... Fringillidce 



d-2. Bill usually about as long as head ; 



no notch at tip nor bristles at rictus Icteridw 



Bill not as above ; edge of upper bill 



straight or very gently curved. 

 d\. Conspicuously crested ; bill trian- 

 gular, depressed, notched, and 

 hooked ; tail tipped with yellow ; 

 wings red-tipped .... Ampeliilw 



d-2. Nostrils concealed by bristly feath- 

 ers; tarsus scutillate behind . V Al.wlhl<v 

 ds. No crest ; nostrils exposed ; tarsus 

 with sharp ridge behind formed of 

 union of two lateral plates. 

 e\. Hind claw twice as long as mid- 

 dle claw . . . ' -. _ . . MotatiUid<K 

 f> 2 . Hind claw not twice as long as 



middle claw. 



/i. Bill stout, compressed, hooked 

 at tip ; tail not blotch* d 

 with red or yellow r . . - Vireonnlie 



/ 2 . Bill various ; little, if at all, 

 hooked ; colors often brill- 

 iant . .... . Sylvicolidct 



