J)U 



YUNX. WRYNECK. 



Bill shortish, sleniler, straight, tapering, acute, rather broader 

 than high at the base ; upper mandible with its dorsal outline 

 almost straight, the ridge very narrow at the base, convex to- 

 wards the end, the sides sloping, but towards the end convex, 

 the edges sharp and sloping, the tip acute, without notch or 

 sinus ; lower mandible with the angle very long and rather 

 narrow, the dorsal outline ascending and straight, the sides 

 sloping outwards and flat, the edges inflected, thick and blunt, 

 the ridge convex, the tip acute ; the gape-line straight. 



Mouth rather narrow ; the upper mandible concave, with a 

 central prominent line, the lower more deeply concave, with a 

 similar line. Tongue extremely extensile, vermiform, v/ith its 

 terminal part horny, flat, and tapering, without bristles. 



Nostrils linear in the upper edge of the membrane, filling 

 up the large anteriorly rounded nasal groove, and anteriorly 

 bare. Eyes of moderate size. Aperture of the ear large and 

 roundish. 



The general form rather slender ; the neck short ; the head 

 oblong, flattened in front. The feet short, and rather slender ; 

 the tarsus feathered anteriorly a little below the joint, com- 

 pressed, with seven anterior broad scutella, and an equal num- 

 ber of smaller ones behind. Toes two before, parallel, and 

 united at the base ; two behind ; the first very small, and 

 much more slender than the rest, the fourth dii'ected back- 

 wards, and almost as long as the third. Claws of moderate 

 length, arched, extremely compressed, broadly grooved on the 

 sides, acute. 



Plumage very soft and blended ; the feathers of moderate 

 length, ovate, and rounded. Wings moderately long, straight, 

 rather acute, of twenty rounded feathers ; the first quill ex- 

 tremely small and acute ; the third longest ; the second almost 

 as long, the other primaries gradually diminishing. Tail rather 



