142 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. IX. 

 SECTION 2. Wing, over 17 inches long. 



Turkey Vulture. 



Head and fore-neck, bare; skin of head, red; general plumage, 

 brownish black or dark brown; bill, whitish; immature birds have 

 the head feathered. Cathartes aura septentrionalis. 



Turkey Vulture. Turkey Buzzard. 



See No. 149. 



