163 



Gen. LXXXI. GAMPSONYX Vigors (1825). 

 Type by monotypy G. swainsoni Vig. 



Wings falling nearly an inch short of end of tail ; 

 tail feathers rounded, nearly even ; tarsus short, 

 feathered about half way down in front. Size 

 small, length under 10 in. 



*262. Gampsonyx swainsoni swainsoni Vigors, 

 Zool. Jnl., ii., p. 69 (1825). [Near Bahia.] 

 Swainson's Pearl-Kite. 



Wing c? 142-145, tail 100 mm. ; ? wing 156 

 mm. ; above leaden black with a brownish 

 shade on back ; secondaries broadly tipped 

 with white ; tail below much paler ; fore- 

 head and sides of face orange buff ; sides 

 of neck and a collar encirchng latter white, 

 below which is an interscapulary patch of 

 vinous red ; below white, with smaU patch 

 of black on each side of upper breast ; the 

 thighs pale buf&sh rufous, as also inner 

 under wing-coverts, but not breast or 

 flanks. 



Brazil, S. to 

 Matto Grosso, 

 N. to Amazonia, 

 W. to Paraguay, 

 E. Peru, 

 E. Ecuador. 



*262a. Gampsonyx swainsoni meridensis Swann, 

 Syn. List Accip., p. 104 (1920). [<? Nevada, 

 Mdrida, Nov. 15, 1903, alt. 3,000 metres, 

 in coll. H. Kirke Swann and Merida and 

 Guiana examples in fring Mus. and Brit. 

 Mus.] 

 Northern Pearl-Kite. 



Size nearly similar ; wing cJ (Merida) 152 ; 

 tail 95 mip. ; $ wing 159, tail 102 mm. ; 

 wing cJ (Guiana) 150-153 mm. ; ? wing 159- 

 163 mm. ; below with the sides of breast 

 and flanks chestnut rufous [pure white in 



Venezuela'- (S. 

 to Orinoco), 

 British Guiana. 



^ Birds from Margarita Island (Harvard Mus.) are smaller. 

 Wing <J 145, $ 150 mm., but I do not consider they are separable. 



