Mr. R. B. Sharpe’s Catalogue of Accipitres. 71 
Wing from ¢ Middle 
carpal joint. Tarsus, _ LOG, Ba He 
inches. inches. inches. 
Marestrwes tas) eae 14:9 to 15 3:2 to 3:5 16 to 18 
Fomales: + si s:ps' own 15°8 to 16°4 3°25 to 3°5 1:6 to 1:8 
In one of these females the entire head, throat, sides and 
front of neck, and upper breast are clear unbroken slate- 
colour; the hinder neck, mantle, and upper scapulars rufous ; 
the lower scapulars rufous mingled with slaty, most of the 
last-named feathers being particoloured, with the shafts slaty, 
and with that tint spreading, on the feathers nearest the 
wing, to the right of the shaft, and on those nearest the cen- 
tre of the back to the left of the shaft; the remainder of the 
upper portion of the plumage resembles that of the adult male, 
except that the interspaces between the dark transverse bars 
on the tertiaries are white instead of pale grey; the lower 
breast, abdomen, and sides are rufous, darker than the mantle, 
and slightly mingled with slaty; the under tail-coverts slaty, 
transversely barred with white, and the thighs entirely slate- 
coloured. | 
Another female, shot from the nest in the month of October, 
differs from the above in having the whole under surface, from 
the chin to the vent, dark rufous; this, however, is mingled 
and tinged with a dark slaty hue on the upper breast and on 
the abdomen, but not on the lower breast. 
A third female resembles that last described, but with a 
larger admixture of slate-colour on the under surface. This. 
specimen was marked as a female by the collector, who has ~ 
also attached to it a memorandum that the irides were “ red-. 
dish brown.” : 
The fourth female much resembles the second, but still 
retains on the wing-coverts the fuliginous plumage of its 1m- 
mature dress. 
Passing on to the consideration of Buteo albicaudatus, I 
may observe that though this species in its adult plumage 
exhibits a remarkable general resemblance to B. erythronotus, 
it always differs from that Buzzard in three particulars, viz. 
that the rufous on the back never extends to the intersca- 
pulary feathers, that it is common to the adults of both sexes, 

