FAMILY FALCONIDA. — 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 anatum. 
See No. 291. 
Section 2. The following species have the third primary 
longest. 
Belly, slaty gray (adult), or buffy streaked more or less with pale brown (imma- 
ture); upper tail coverts, not white. 
[lississippi Kite. 
Ietinia mississippiensis. 
See No. 263. 
