POLYBOROIDES TYPICUS. 
or brownish red lines. Legs and toes light ochre-yellow ; claws liver- brown 
with a tinge of reddish brown towards the base. Bill liver-brown ; cere, base 
of lower mandible, naked space on sides of head, and the eyes yellow. 
(Young.) Plate LXXXII. 
Front yellowish white sparingly streaked with umber-brown ; the upper 
surface of the head and the nape light umber-brown, the feathers of former 
broadly, those of latter narrowly edged and tipped with yellowish brown ; the 
back and sides of the neck, the interscapulars, the back, the lesser wing coverts 
and the secondary quill coverts intermediate between umber and yellowish 
brown and faintly glossed with purplish red, — all the feathers narrowly edged 
and tipped with yellowish brown. Primary quill coverts liver-brown with a 
purplish gloss, and tipped narrowly with yellowish brown ; tertiary quill 
feathers dull yellowish brown indistinctly barred with umber-brown. Tail 
the same colour as the primary quill feathers and crossed with four dull 
yellowish brown bars, each of which is edged anteriorly and posteriorly with 
a lighter tint,— the tips of all the feathers yellowish-brown. Chin and throat 
yellowish white variegated with longitudinal umber-brown streaks; breast 
and belly yellowish brown deadened with umber-brown ; thighs, vent and 
under tail coverts pale yellowish brown barred with a colour intermediate be- 
tween umber and yellowish brown. Tarsi yellowish white ; toes a livid 
oclirey white. Cere, base of lower and edges of upper mandible towards base 
yellow, the bill elsewhere liver-brown. Eyes yellow. 
Form, &c.— Figure slender; head rather small, and its sides before and 
behind the eye denuded of feathers ; the feathers of nape and of the back and 
sides of the neck rather elongated. Wings long, pointed, and when folded 
reach to within two inches of the tip of the tail, the fourth and fifth feathers 
the longest, the third and sixth equal and rather shorter, the second about an 
inch and a halt shorter than the third, and the first about three inches shorter 
than the second. Tail large and rounded, or fan-shaped. Tarsi and toes ex- 
cept the last joint reticulated, the scales of the former rather large, of the latter 
small, the last joint of each toe superiorly covered with three or four short 
prominent transverse plates ; tarsi compressed ; under-surface of toes finely 
granular; claws long, pointed, much curved, compressed and moderately 
strong. Bill considerably hooked at the point ; nostrils situated in the cere 
in the form of a longitudinal fissure about lialf-w r ay between the culmen and 
cutting edge of the upper mandible. 
