GOSHAWK. 341 



line convex, the sides rounded, the edges arched, the tip 

 obliquely truncate. 



The palate is flat, with two soft longitudinal ridges, the 

 upper mandible slightly concave, the lower deeply concave, 

 both with a slightly prominent median line. The tongue fleshy, 

 sagittate and papillate at the base, channelled above, with the 

 tip rounded and emarginate, its lower surface horny, with a 

 shallow median groove. The eyes large ; the eyelids bare, but 

 ciliated ; the supraocular ridge distinct. Nostrils oblique, ob- 

 long, broader behind. Aperture of ear roundish, and rather 

 large. Feet of moderate length ; tarsi anteriorly feathered for 

 nearly half their length, rather short, strong, anteriorly covered 

 with fourteen short but broad scutella, laterally with angular 

 scales, behind with numerous scutella. The toes strong, of mo- 

 derate length, the first and second stoutest, and nearly equal in 

 length, the third much longer, and connected by a basal web 

 with the fourth, which is longer than the second ; on the first 

 are six, on the second four, on the third eighteen, on the fourth 

 ten scutella. Claws strong, well arched, considerably compress- 

 ed, acuminate. 



The plumage is full, compact above, blended beneath ; the 

 cere laterally covered with bristle-tipped plumelets, as is the 

 loral space ; the feathers of the upper parts oblong and rounded, 

 of the head short, of the lower parts narrower, those of the 

 outer part of the tibia elongated. The wings are of moderate 

 length, broad, and rounded ; the primaries strong, tapering to 

 a rounded point ; the outer five with the inner web, and the 

 second, third, fourth, fifth, and sixth with the outer web, nar- 

 rowed toward the end ; the secondaries, thirteen in number, 

 broad, and abruptly rounded. The tail is long, broad, rounded, 

 of twelve rounded feathers, of which the outer is an inch shorter 

 than the middle. 



The bill is light blue at the base, bluish-black at the end ; 

 the cere greenish-yellow ; the iris reddish -orange, the supra- 

 ocular ridge yellowish-green ; the feet yellow, the claws black. 

 The general colour of the upper parts is deep bluish-grey ; the 

 upper and hind parts of the head, and a broad band from the 

 cheeks to the nape, black ; over the eye a white band streaked 



