ACROMYODI. 



423 



h\ Bill moderately long and slender; tips of rectrices square or 



rounded - Sturnidse (p. 709) 



f . First primary longer than primary-coverts, its tip rounded. 



g\ Nostrils not concealed by plumes nor bristles; rietal bristles not 

 conspicuously developed. 

 h\ Wing rounded, the primaries not greatly exceeding the second- 

 aries in length , Timeliidae (p. 517) 



h\ Wing pointed, the primaries considerably longer than the sec- 

 ondaries Oriolidse (p. 693) 



g\ Nostrils concealed by antrorse feathers, or by both feathers and 

 long bristles. 

 h\ Smaller; wing, less than 200 mm.; frontal feathers shorter, 

 never extending far in front of the nostrils; nasal bristles 

 often extending beyond the frontal feathera 

 i\ Under tail-coverts shorter, not extending beyond the toes in 

 skins. 

 }\ Hind toe longer than longest lateral toe, its claw large; 

 outer toe much longer than inner toe; bill slender; cul- 



men nearly straight Sittidae (p. 609) 



f. Hind toe equal to, or shorter than, longest lateral toe, its 



claw not conspicuously larger than the claws of anterior 



toes; outer toe slightly longer than inner toe; culmen 



more or less curved, usually with a notch near the tip 



of mandible; or else the bill short, stout, and conoid. 



k\ Bill much flattened, wide at the base, and with long 



rietal and nasal bristles; or else bill slender; legs and 



feet usually weak; wing, not over 95 mm., usually 



much less Muscicapidse (p. 430) 



k\ Bill strong and compressed, or else short and conoid with 

 no notch near the tip; legs and feet stout. 

 l\ Tail short and square, reaching little if at all beyond 

 the toes; bill short, stout, and conoid; wing, 80 



mm. or less Paridse (p. 604) 



IK Tail moderately to very long; bill large and com- 

 pressed, culmen strongly curved; wing, 85 mm. or 

 more. 

 m\ Rectrices long, narrow, and graduated; plumage 

 never glossy nor entirely black; upper mandible 

 with a strong notch near the tip. 



Laniidse (p. 591) 



m\ Rectrices long and broad, the outermost curved 



outward; tail slightly to deeply forked; feathers 



on sides of neck more or less lengthened and 



pointed; plumage glossy black (abdomen white 



in one species) Dicruridae (p. 702) 



t^ Under tail-coverts longer, extending beyond the toes in skins; 

 bill stout, as wide as deep at nostril; culmen strongly 

 arched; rietal and nasal bristles inconspicuous. 



Campophagidae (p. 478) 



h\ Larger; wing, more than 200 mm.; plumes covering the nostrils 



numerous and long, extending well beyond the nostrils; no 



nasal bristles; plumage entirely black Corvidae (p. 721) 



