29 



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

 {? Bitye, R. Ja, Cameroons, April 17th, 

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

 Swann). 

 Bates's Grey Hawk. 



Above darker grey ; below darker chestnut ; 

 wing (? 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 ; 

 thighs 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 unicindus unicinctus (Temm.), 

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

 Paris Mus.] 

 One-banded Buzzard-Hawk. 



Wing (J 295-332, ? 315-367 mm. ; general 

 colour blackish brown, variegated by 

 Ughter 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 

 As^res on E. 



f59a. Parabuteo unicinctus harrisi (Audub.), B. 

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

 p. 30. [Between Bayou Sara and Natchez, 

 Mississippi.'] 

 Harris's Buzzard-Hawk. 



Central and N. 

 America from 

 Panama to 

 Southern U.S. 



Wing <J 315-340, ? 340-365 mm. ; general 

 colour sooty black, tinged with chestnut 

 on rump. (Female more brownish). 



