FAMILY FALCONID^:. HAWKS, FALCONS, EAGLES, ETC. 165 



Upper surface of inner web of first primary, barred with white ; breast and 

 belly, streaked. 



Prairie Falcon. 



Falco mexicanus. 

 See No. 290. 



Upper surface of inner web of first primary, barred with pale rufous brown ; 

 breast and belly, streaked. 



Duck Hawk. 

 Peregrine Falcon. 



Falco peregrinus anatitm. 

 See No. 291. 



Section 2. The following species have the third primary 



longest. 



Belly, slaty gray (adult), or bufty streaked more or less with pale Drown (imma- 

 ture) ; upper tail coverts, not white. 



flississippi Kite. 

 Ictinia mississippiensi*. 

 See No. 263. 



