202 



CONIKOSTRES. 



Corvine. 



SCB-FAMILY IV. 



The Crows proper 



Gen. Charac. — Bill of various lengths, the base broad and the sides com- 

 pressed, with the culmen more or less curved to the tip, which is usually 

 entire ; the nostrils entirely concealed by the projecting frontal plumes, 

 except when the head or cheeks are denuded of feathers ; the wings long and 

 slightly rounded ; the tarsi long, Icrigthi'iied, and covered in front with broad 

 scales; the toes moderate, strong, ami llu- lateral ones of (-qiuil Iciiirth. 



h'lG. 83. — THE EAVEN. 



(Corcus Corax.) 



Tlie birds belonging to this sub-family are found 

 m most parts of the globe. Some remain stationary 

 within a certain district^ while others migrate from 



