170 



DENTIROSTEES. 



SCn-FAMILY IV. 



TiTYRIX.E." 



The Becards. 



Gen. Chaeac. — Bill generally short and broad at the base, with the culmen 

 slightly depressed, rounded, and curved, and the sides suddenly compressed 

 to the tip, which is emarginated ; the nostrils lateral, rounded, and exposed ; 

 the wings long and pointed ; the tail short and rounded on the sides ; the 

 tarsi short, and covered in front with narrow scales ; the toes moderate, 

 with the lateral ones nearly equal ; the claws moderate, curved, and acute. 



Fig. 70.— the white-backed tityba. 

 {Titi/ra leuconotus.) 



The birds composing this sub-family are found in 

 the warmer parts of South Ainerica and the islands 

 of the West Indies. They migrate from place to 



* " Tityre, tu patulse recubans sub tegmine fo.gi," — 

 in allusion to their sylvan habits. 



