2i>S BIRDS UF BRITISH GUIANA. 



1G2. Spizastur melanoleucus. 

 Black-and-White Hawk-Eagle. 



Bii/eo melanohucus Aleill. X. Diet. cVHist. Xat. iv. p. 482, 1816 



(Guiana). 

 Spizastur melanoleucus Sliavpe, Cat. B. Brit. Mus. i. p. 258, 1874; 



Brabourne & Chubb, B. S. Arner. i. p. 70, no. 650, 1912. 



Ai/iilt female. Occipital patch, upper back, scapulars, wings, and 

 upper tail-coverts black, inclining to dark brown on the lower 

 l;ac'k and inner secondaries ; inner web of j)riniary and secondary 

 quills for the most part white, especially towards the base ; the 

 secondary-qnills banded with black and smoky-brown and edged 

 with whitish at the tips ; long upper tail-coverts and tail-feathers 

 grevish brown, tlie former darker towards the ti})^ the latter having 

 tour blackish bands, the suV)terminal one broader than the others, 

 the inner webs more or less white towards the base ; space in front 

 and round the eye covered with blackish hair-like feathers ; fore 

 part of head, hind-neck, sides of neck, throat, and entire under 

 surface white ; lower aspect of quills and tail-feathers silvery 

 grey banded with dark brown. 



Total length GIO mm., culmen (including the cere) 3G, wing 385, 

 tail 220, tarsus 70, middle toe and claw 75. 



Adult male. Similar to the adult feniale. but somewhat smaller 

 in size. ^Ving 384 nnn. 



This species i.s not rt'iircsented in ilie McC onneil collection, a)id 

 the description of the female is taken from an examj)le in the 

 British Museum collected by AVhitely on the Kupununi River 

 on Januar}' 10th, 18iK^ — Salvin-Godman collection. 



Breeding-season. I'nknown in British Guiana. 



jVest. Unrecorded in British Guiana. 



K(igs. Undescribed from British Guiana. 



Range in British Guiana. Hupununi River ( Wliileh/). 



Extralimital Range. South America generally to South-east 

 Brazil and Central America to Guatemala. 



Habits. Unrecorded in British Guiana. 



Genus SPIZAETUS Yieill. 



Spizat'tus Yieillot, Anal. nouv. Orn. ji. 24, 1816. Tvpe S. ornaius 

 (Daud.). 



The members of this genus differ from that of the precedino- 

 by having an occipital crest, and by the distance between the ti])s 

 of the primary and secondary quills being less chan the length of 

 the tiirsus. 



