go AQUILA CHRYSAETUS. 



downy at their base ; the lower eyelid and projecting eye- 

 brow bare ; the edges of the eyelids are furnished with 

 bristly feathers ; the gular feathers are setiform and 

 downy at the base. The feathers of the head are shortish, 

 narrow-lanceolate ; of the neck elongated-lanceolate ; 

 of the back ovate, acuminate ; on the rest of the upper 

 surface, acuminate but rounded, even the long scapu- 

 lars, which are very round, having a minute tip; the 

 pectoral feathers rounded. All these are compact and 

 distinct ; but the ventral are very long, tufty, loose and 

 confused, A bunch of long feathers on the outside of 

 the tibia ; the tarsal feathers, which are continued to 

 the toes, are short, and rather distinct. The w ings when 

 closed reach nearly to the tip of the tail ; the primary 

 quills are rather acute, the first six abruptly cut out in- 

 ternally, and slightly so on the outer web ; the secon- 

 dary are long, broad, and rounded. The tail-feathers 

 twelve, nearly straight, broad, and rounded. 



The bill is pale greyish-blue near the cere, black at 

 the end ; the cere pale greenish-yellow, the basal mar- 

 gins of the mandibles straw-yellow. The space be- 

 tween the eye and the bill, and the bare parts about 

 the eye, are yellowish-grey tinged with green. Irides 

 light brown. Feet pale orange, approaching to straw- 

 yellow; claws bluish-black, with a tinge of purplish- 

 brown. 



The hind part of the head, and the neck, excepting 

 in front, are light yellowish-brown, the shafts and con- 

 cealed parts of the feathers dark brown. The fore 

 part of the head, the cheeks, the throat, and the lower 

 parts in general, deep brown. The back is dark brown, 

 with purplish reflections, the smaller wing-coverts 



