399 



ULULA. TUFTED-OWL. 



Bill short, moderately stout, compressed towards 

 the end : upper mandible mobile to a great extent, the 

 cere large, bare above and towards the lower edges, 

 feathered along the sides, the dorsal outline slightly 

 curved from the base, towards the end decurved, the 

 ridge broad at the base, narrower anteriorly, convex 

 in its whole extent, the sides sloping at the base, con- 

 vex towards the tip, the edges soft and obtuse as far 

 as the nostrils, being covered with skin continuous with 

 that of the palate, then sharp and hard to the end, be- 

 low the nostrils inflected, afterwards direct, the tip 

 acute and at its extremity descending obliquely ; lower 

 mandible straight, its crura narrow and flexile, the an- 

 gle elongated, wide, rounded, the very short dorsal 

 line slightly convex, the back convex, as are the sides, 

 the latter towards the base slightly concave, sloping 

 outwards and cerate, the edges soft and meeting those 

 of the upper until near the end, where they are sharp 

 and inflected, their outline decurved, and with a slight 

 sinus on each side, the tip obliquely truncate ; the gape- 

 line slightly sinuous, being a little decurved at the two 

 extremities, with a broad sinus about the middle. 

 Mouth very wide ; palate prominent, sloping upwards 



