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central streak and a few feathers on the lower part black; fore neck 
and chest rufous, like the hind neck, the center varied with black and 
white; rest of under surface white, with very broad and distinct bars 
of jet-black on the Hanks and thighs, smaller and less distinct in the 
center of the body; under wing-coverts and axillaries white like the 
breast, and similarly barred with black ; quills brown, barred above 
with darker brown, the under surface ashy white, with a few greyish- 
black cross-bars; tail ashy brown, with four broad black bars, equally 
distinct on the under surface, which is ashy white; bill horn-brown, 
yellowish at base; feet yellow. Total length 19 inches, culmen 1.3, 
wing 11, tail, 8.5, tarsus 2.4. (Mus. Lugd .)”•— (Sharpe, l. c.) 
According to Sclater (Ibis iv, 1802, p. 194), the iris is dirty gamboge- 
yellow : ring round eye and lores dark yellow, verging toward olive- 
green ; superciliary shield olive-green; cere grayish-green; bill gray- 
isli-blue and black; tarsi and toes dirty gamboge-yellow ; claws black. 
(Fide Pelzeln.) 
Mr. Gurney gives some very interesting notes on this species in the 
Ibis, vol. v, 1875, pp. 350-7, which we reproduce here:—“As the 
Leyden specimen, of which the measurements are given by Mr. Sharpe, 
and that at Antwerp, of which the dimensions were recorded by Dr. 
Sclater in ‘ The Ibis’ for 1801, appear by their size to be both female 
birds, I add the following particulars of the supposed male which is 
preserved in Norwich :—wing from carpal joint 9.1 inches ; tarsus 2.1; 
middle toe, s. u. 1.3; culmen from anterior margin of cere 5. It will 
be seen by these measurements of the culmen and middle toe, that, 
according to the rule given by Mr. Sharpe at p. 47 of his‘Catalogue,’ 
this species comes rather under his genus Accipiter than under that of 
Astur ; its natural position appears to me to be intermediate between 
the Asturine subgenus Lophospizias and the Accipitriue subgenus Coop¬ 
er astur, to which it was referred (and, on the whole, I think rightly) by 
Bonaparte in the Bev. et Mag. de Zool. for 1854, p. 538.'” 
