29 



*58a. Urotriorchis macronrus batesi, subsp. nov. Cameroon, 

 ($ Bit ye, R. Ja, Cameroons, April 17th, 

 1914, G. L. Bates, in Coll. H. Kirke 

 Swann). 

 Bates's Grey Hawk. 



Above darker grey ; below darker chestnut ; 

 wing cJ 266-80, tail 365-85 ; wing ? 293-306, 

 tail 385-400 mm. ; tail longer and wings 

 shorter than in typical form. 



Gen. XXIII. PARABUTEO Ridgw. (1874). 

 Type Buteo harrisi Aud. 



Nostrils with bony tubercle near upper margin ; 

 tliighs with overhanging tuft of feathers ; tarsus 

 scaled almost right across and feathered further 

 down than length of middle toe. Size large 

 (length about 23 in.). 



59. Parabuteo unicinctus unicindus (Temm.), 

 PI. Col., pi. 313 (1824). [Brazil, type in 

 Paris Mus.] 

 One-banded Buzzard-Hawk. 



Wing S 295-332. $ 315-367 mm. ; general 

 colour blackish brown, variegated by 

 lighter spotting ; lesser wing-coverts and 

 thighs rufous ; tip and base of tail and also 

 tail-coverts white. 



S. America, S. 

 to Chile on W. 

 and Buenos 

 Ayres on E, 



t59a. Parabuteo unicinctus harrisi (Audub.), B. Central and N. 



Am., pi. cccxcii., 1831 ; Orn. Biog., v., America from 



p. 30. [Between Bayou Sara and Natchez, Panama to 



Mississippi.^ Southern U.S. 

 Harris's Buzzard-Hawk. 



Wing S 315-340, ? 340-365 mm. ; general 

 colour sooty black, tinged with chestnut 

 on rump. (Female more brownish). 



