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ACCIPITER. HAWK. 



Bill short, as broad as deep at the base : upper man- 

 dible with its dorsal line curved from the base and 

 forming the fourth of a circle, the ridge convex, the 

 sides sloping, convex towards the end, the edges sharp 

 and overlapping, with a prominent festoon beyond the 

 middle, the tip trigonal, concave beneath, and deflect- 

 ed ; lower mandible with the angle medial, broad and 

 rounded, the crura sloping outwards and feathered, the 

 dorsal line convex, the ridge broad, the edges inflected, 

 soft at the base and straight, beyond the middle sharp 

 and deflected, the tip obliquely truncate with a decurved 

 line, and rounded. 



Mouth rather wide ; palate flat, with two prominent 

 longitudinal lines, upper mandible concave within and 

 having a lateral groove on each side for the reception 

 of the sharp inflected edges of the lower, which is more 

 deeply concave. The nasal slit defended by acute pa- 

 pillae, as is the glottis behind. Tongue short, fleshy, 

 concave above, rounded and emarginate. (Esophagus 

 rather wide, dilated into a crop about the middle, a 

 little enlarged and glandular below ; stomach compress- 

 ed, oblong, its muscular coat very thin ; intestine with 

 two very small coeca near the extremity. 



