166 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Section 3, The following species have the fourth primary 



longest. 



Uppei- tail coverts, white; tarsus, less than 2.25. Rare north of Florida, 

 where it is a pennaueut resident. 



Everglade Kite. 



Hostrhamus sociabilix. 

 See No. 264. 



Marsh Hawk. 

 Upper tail coverts, white; tarsus, over 2.25. 



narsh Hawk. 



Circus hu<ls())iiiis 

 See No. 265. 



Fourth outer primar}', not decidedly notched ; under surface of i>rirnarics, not 

 barred with dark brown and white; tail, less than 9.50; upper tail coverts, not 



white. , 



Broad=winged Hawk. 



Buteo latissimus. 



See No. 278. 



Fourth outer primaries, decidedly notched ; under surface of outer primaries, 



not heavily barred with dark brown and white; tail, 9.50, or over; wing, 



over 11.50. 



American Goshawk. 



Accipiter atricapillus. 



See No. 268. 



