OVPAOUS. 210 



b''. riiiinugo commciK-iiig on ncc-k with broiul, normallj' developed feathers ; 

 primaries uot longer than secondaries ; throat without any " dewlap" ; 

 "comb" of adult male attached only to middle of cere, above nostril; 

 sexes alike; size medium (wing less than 25.00). 



Gypagus. (Page 219.) 

 a'. Cere decidedly longer than upper mandible; bill comparatively weak. Adult 

 7nales without fle.^hy "comb" or lobe surmounting cere. 

 6". Entire neck bare of feathers ; plumage commencing abruptly with lanceo- 

 late or penicillate feathers, these continued over breast and belly ; head 

 much elongated, the upper outline of the cere elevated posteriorly above 

 the level of the flattened forehead ; very large (wing 30.00, or more). 

 Nostril very small, occupying not more than the basal third of the 

 nasal fossiB, its anterior end acute ; bill small, the mandibles de- 

 cidedly broader than deep, the lower as deep as the upper ; skin of 

 head and neck smooth ; tail even.... Pseudogryphus. (Page 220.) 

 6'. Ilead only, or with only upper part of neck, naked ; plumage commencing 

 gradual!}' on upper part or middle of neck with broad, normal feathers, 

 those of the breast and belly broad and blended ; forehead elevated 

 above the upper outline of cere; bill stronger, with hook of upper man- 

 dible well developed ; much smaller (wing less than 25.00). 

 c'. Nostrils ver3' large and broad, occupj-iug the whole of the nasal fossffi, 

 both ends broadly- rounded ; wing lengthened, the quills reaching to 

 or beyond tip of the much rounded tail... Cathartes. (Page 220.) 

 c'. Nostrils small and narrow, oceupj-ing only the posterior half of the 

 nasal fossa), the anterior end pointed ; wing short, rounded, the 

 quills scarcely reaching to the middle of the even or slightly emar- 

 ginated tail Catharista. (Page 221.) 



Genus GYPAGUS Yieillot. (Page 219, pi. LXIY., fig. 5.) 



Species. 



Ailult : Upper neck ("ruff") plumbeous, the feathers white at base; tertials, 

 secondaries, quills, greater and primary coverts, rump, upper tail-coverts, and tail, 

 black, the secondaries graj'ish exteriorly and edged with white ; rest of plumage 

 deep vinaceous-bufF or piidiish cream-color above, white beneath ; naked skin of head 

 and upper neck very brillianth- colored in life with yellow, orange, red, blue, etc. ; 

 iris white; bill dull red in dried skins, said to be orange and black in life. Yovng : 

 Entirely plain blackish brown, the bill and naked skin of head dusky. Length 

 27.00-34.00, wing 19.00-20.00, tail 9.50-10.00, culmen 1.30-1.40. tarsus 3.60-3.C5, 

 middle toe 3.00-3.30. Eygs 3.70 X 2.65, plain white. ILib. "Whole of tropical America, 

 except West Indies, north to southern Arizona? 



G. papa (Li.vx.). King Vulture.' 



I > Vullitr papa Ll.x.v., S. X. cJ. 10, i. 175S, S6. G^paju, papa Vieill., Xouv. Diet. x.\.\vi. 1SI9, 456. 



