APPENDIX TO ('II APT EH XIX 



317 



edge of upper bill with lobes or nicks 

 near middle ..... 



Bill conical, corners of mouth drawn 



down. 



<li. Bill much shorter than head, usually 

 notched at tip or with bristles at 

 rictus ...... 



(/._.. Bill usually about as long as head ; 



no notch at tip nor bristles at rictus 



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 .... 



<7o. Nostrils concealed by bristly feath- 



ers ; tarsus scutillate behind . 

 (?-. 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 ..... 



f>. 2 . Hind claw not twice as long as 



middle claw. 



J\. Bill stout, compressed, hooked 

 at tip ; tail not blotched 

 with red or yellow . . 

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

 hooked ; colors often brill- 

 iant ..... 



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Vireonida 1 



