166 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Section 3. The following species have the fourth primary 



longest. 



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

 where it is a permanent resident. 



Everglade Kite. 



Jiostrhamus sociabilis. 

 See No. 264. 



Marsh Hawk. 

 Upper tail coverts, white; tarsus, over 2.25. 



Harsh Hawk. 



Circus hudsoniu." 

 See No. 265. 



Fourth outer primary, not decidedly notched ; under surface of primaries, 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. 



