BLUE-WINGED JAY. 577 



nate ; the lower mandible with the angle short and rounded, the 

 sides sloping and towards the end convex, as is the dorsal line. 



Internally the upper mandible is concave, with three promi- 

 nent lines in the middle and two towards the sides ; the lower 

 concave with a central prominent line. The palate is concave ; 

 the glottis with small papillae behind. The tongue, PI. IX, 

 Fig. 4, «, is fleshy, oblong, flat above, horny and thin at the 

 edges, the tip lacerated and cleft ; the base emarginate with 

 two long papillae. The oesophagus, ^, c, c?, is five and a half 

 inches long ; the stomach, f^ g^ oblong, its muscular coat not 

 very thick, the inner or cuticular transversely rugous ; its 

 greatest diameter an iuch and a half. Intestine, A, /, y, ^, /, tw, 

 two feet long, a little wider above ; two cylindrical cceca, Fig. 5, 

 c^ 6?, half an inch long, about two inches from the extremity. 



The eyes and the apertures of the ears are of moderate size ; 

 the nostrils round, of moderate size, concealed by the short re- 

 versed feathers. 



The feet are of ordinary length ; the tarsus with ten scutella 

 anteriorly, and two longitudinal plates behind ; the first toe 

 with ten, the second with ten, the third with fifteen, the fourth 

 with twelve scutella. The claws are arch'ed, much compressed, 

 obscurely grooved on the sides, and sharp. 



The plumage generally is soft and blended ; the feathers of 

 the fore part of the head elongated, oblong and erectile. Wings 

 of moderate length ; the primary quills slightly decurved, the 

 fifth longest, the sixth one twelfth of an inch shorter, the fourth 

 about two twelfths shorter, the third nearly half an inch shorter 

 than the fourth ; the second ten twelfths shorter than the third, 

 which exceeds the first by an inch and a half The primary 

 coverts and alula have their webs stifl:' and glossy. The second- 

 ary quills nine, long, broad, rounded. The tail rather long, 

 nearly even, of twelve rather broad feathers, which are rounded 

 with a minute tip. 



The bill is blackish-brown ; the irides bluish-white ; the feet 

 light reddish-brown ; the claws dusky. The general colour of 

 the plumage is a delicate light brownish-red tinged with grey 

 or purplish on the back, and paler beneath. The feathers on 

 the fore part of the head are ^vhitish, each with an oblong 



rp 



