164 
Bahia birds]; thighs darker rufous in 
Venezuelan birds [but hardly more so in 
Guianan birds]. 
262b. Gampsonyx swainsom leone Chubb, Bull. Nicaragua. 
BOG, xxxix., p: 22 (1918).) i:BeonNacar- 
agua, W. B. Richardson, Dec. 1892, type in 
Brit. Mus. ] 
Nicaraguan Pearl Kite. 
‘““ Upper surface darker and more strongly 
shaded with slaty grey ; forehead and sides 
of face straw colour instead of orange buff’; 
wing 158, tail 95 mm. 
262c. Gampsonyx swainsom magnus Chubb, Bull. W. Peru and 
B.O.C., xxxix., p. 21 (1918). [Amotape, W. Ecuador; 
Peru, July 22, 1899, P. O. Simons, type in Bolivia (?) 
Bnt. Mus. | 
Western Pearl Kite. 
Largest ; “‘ differing from G. s. swainsont 
only in the larger wing and tail measure- 
ments’; ¢$ wing 177, tail 104 mm.; @ 
wing 176 mm. 
Gen. LXXXII2) ICTINIA Vieill> (18i6): 
Type ‘‘ Milan Cresserelle ’”’ Vieill. =Milvus cenchris Vieill. 
=Falco plumbeus Gmel. 
Upper mandible with the cutting edge lobed, but 
without a true tooth; bill short and deep, and 
strongly arched, resembling that of Falco; cere 
short ; tail square ; wings reaching about 1.25 in. 
beyond end of tail. Size small. 
1 An example in Tring Museum from Prov. of Sara, Bolivia, g has. wing 
measurement of 170 mm. and presumably belongs to this form; another OF from 
Calama River, Rio Madeira, has the wing 165 mm., and is intermediate. 
