10 
15a. Torgos tracheliotus nubicus H. Smith in Egypt, 
Griffith’s Animal Kingdom, i., p. 164 (1829). Abyssinia, 
[Nubia.] Upper White 
Northern Sociable Vulture. Nile, cas. in 
Europe. 
With the ear-lappets lacking ; [doubtfully 
distinct]. 
$16. Torgos calvus (Scop.), Del. Faun. Insubr., Turkestan, 
ii., p. 85 (1786). [ex. Sonnerat, Pondi- India, Burma, 
cherry. | Siam,Cambodia. 
Pondicherry Vulture. 
Wing ad. 570-608 mm. ; above and crop- 
patch black; across breast a circlet of 
of white down; below black; ruff small, 
black. 
Gen. XI. TRIGONOCEPS 
Lesson (Echo du Monde Savant, Dec. 1842). 
Type (mon.) Vultur occipital. 
Head covered with down ; no neck-lappet. 
17. Trigonoceps occipitalis (Burch.), Trav., ii., N.E. Africa & 
p. 329 (1824). [Makkwari R., Bechuana- S. Africa, 
land.} Senegal on W. 
White-headed Vulture. 
Length ad. about 36 in.; wing 582 mm. ; 
plumage blackish brown, rump paler ; ruff 
dark brown ; crop-patch and under parts 
white. 
Gen. XII. NEOPHRON Savigny (1809). 
Type Vultur percnopterus L. 
Forepart of chest bare. 
t*18. Neophron percnopterus percnopterus (Linn.), 
