104 



Size nearly similar ; wing,^ (Merida) 6 ; tail 

 3.75 in. ; $ wing 6.20 ; tail 4 in. ; wing .^ 

 (Guiana) 5.90-6; ? wing 6.20-6.40 in.; 

 below with the sides of breast and flanks 

 chestnut rufous [pure white in Bahia birds] ; 

 thighs darker rufous in Venezuelan birds 

 [but hardly more so in Guianan birds] ; fore- 

 head and sides of face slightly yellower and 

 paler. 

 252a. Gampsonyx swainsoni meridensis subsp. no v. 

 [(J Nevada, Merida, Nov. 15, 1903, alt. 3,000 

 metres, in coll. H. K. Swann and Merida 

 and Guiana examples in Tring Mus. and 

 Brit. Mus.] 

 Northern Pearl Kite. 



Venezuela 

 (S. to 

 Orinoco*), 

 British 

 Guiana. 



" Upper surface darker and more strongly 

 shaded with slaty grey ; forehead and sides 

 of face straw colour instead of orange buff " ; 

 total length 9.10 in. ; wing 6.20 ; tail 3.75 

 in. ; [sides of breast and flanks rufous.] 

 252b. Gampsonijx sivainsoni leonce Chubb, Bull. Nicaragua. 

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

 agua, W. B. Richardson, Dec. 1892, type in 

 Br. Mus.] 

 Nicaraguan Pearl Kite. 



Largest ; " differing from O. s. swainsoni only 

 in the larger wing and tail measurements " 

 ^ total length 9.65 ; wing 6.95 ; tail 4 in. 

 $ wing 6.9 in. [Differs from G. s. swainsoni 

 also in having sides of breast and flanks 

 rufous.] 

 252c. Gampsonyx swainsoni magnus Chubb, Bull. W. Peru 

 B.O.C., xxxix., p. 21 (1918). [Amotape, Peru, and W. 

 . July 22, 1899, P. O. Simons, type in Br. Mus.] Ecuador ; 

 Western Pearl Kite. Bolivia ?t 



Gen. LXXV. ICTINIA Vieill. (1816). 



Upper mandible with the cutting edge lobed, but 

 without a true tooth ; bill short and deep, and 



* Examples from the Orinoco aje more or less intermediate. Of those 

 in Tring Mus. two have the sides strongly rufous, others only slightly. 



t An example in Tring Museum from Prov. of Sara, Bolivia, (J has wing 

 measurement of 6.65 in. and presumably belongs to this form ; another, $, 

 from Calaraa River, Rio Madeira, has the wing 6.50 and is intermediate. 



