164 



Bahia birds] ; thighs darker rufous in 

 Venezuelan birds [but hardly more so in 

 Guianan birds]. 



262b. Gampsonyx swainsoni leona Chubb, Bull. Nicaragua. 

 B.O.C., xxxix., p. 22 (1918). {Leon, Nicar- 

 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 swainsoni 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 BoUvia (P)^ 

 Brit. Mus.] 

 Western Pearl Kite. 



Largest ; " differing from G. s. swainsoni 

 only in the larger wing and tail measure- 

 ments " ; <? wing 177, tail 104 mm. ; ? 

 wing 176 mm. 



Gen. LXXXII. ICTINIA VieiU. (1816). 



Type " Milan Cresserelle " Vieill. =Milvus cenchris VieiU. 

 =Falco plutnbeus 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. 



^ An example in Tring Museum from Prov. of Sara, Bolivia, ^ has wing 

 measurement of 170 mm. and presumably belongs to this form ; another $„ from 

 Calama River, Rio Madeira, has the wing 163 mm., and is intermediate. 



