FAMILY FALCONID^. — HAWKS, FALCONS, EAGLES, ETC. 177 



General plumage, entirely sooty brown or black ; primaries and tail, with more 

 or less white or gray. 



American Rough-legged Hawk (black plumage). 



Arcliibuteo lagnpus fancti-inhaiinis. 

 See No. 281. 



Section 2. Third primary, longest ; tarsus, not wholly 



feathered. 



Wing, less than 19; a part of inner web of outer primaries, white, showing 

 numerous imperfect bars ; thiglis, black or dark l)rown ; face, bare. 



Audubon's Caracara. 



Polyhorns cherlway. 

 See No. 21)7. 



Win?, from 16.90 to 21; a jjart of inner web of outer primaries, white, showing 

 numerous imperfect bars ; three outer primaries, notched ; belly and thighs, 

 pure white ; liack, dark brown. Fish Hawk. 



Pandion luiUactus cnrcdinensis. 

 See No. 285. 



Wing, less tlian 19; primaries, dark slaty 1)lue, showing greenish tinge when held 

 inUielio-ht; two outer primaries, notched ; tail, long and forked; underparts 

 .and thighs, pure white. SwalIow=tailed Kite. 



Elani'ides furficatua. 

 See No. 261. 



