POMERINE SKUA. 117 



longer than the next to them; under tail coverts, broadly 

 margined across with two shades of brown. Legs, yellowish; 

 Sir William Jardine remarks that the legs of this species 

 are sometimes pied black and yellow; toes, black, yellowish 

 at their bases; Avebs, black. 



So again the bill is dull black, the point the darkest; 

 cere, dull black. Head, crown, neck, and nape, dull rusty 

 black; chin and throat, rusty black, but paler; breast, with 

 narrow alternate stripes of dark and light brown ; back, rusty 

 black, the feathers margined with brown, which markings 

 gradually become broader as they go down to the tail 

 coverts, whereon they are darkest. The primaries have the 

 shafts white. Tail, rusty black, the central feathers elon- 

 gated; underneath, whitish at the base, increasing to dark 

 lead-colour; under tail coverts, mottled with brown bars. 

 Legs, dark lead-colour, with a tinge of vivid blue; toes, black. 



