EXPLANATION TO PLATE VI. 



Fig. 1. Accipiter atricapillus, Wilson. American Goshawk 

 Fl 1 4 CCi ]^ r atr ! Ca P UluS striatulus. Rid fe r way . West( ,,. n (; , ) 

 gB. .!. 4. Parabuteo unicmctus harrlsi, Audubon. Harris's Hawk 

 g. :>. (i. Buteo borealis, Gmelin. Red-tailed Hawk 

 Mg*. 7. 8. Buteo borealis calurus, Cassin. Western red-tailed Hawk 

 9. Buteo hneatus elegans, Cassin. Red-bellied Hawk. 

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