BuLLEK. — On a New S2)ec'ics of Albalro.s. 235 



yellowish -white shafts; secondaries brownish -black, largely 

 marked with white on their inner webs ; scapulars white on 

 their basal portion, black towards the tips ; tail-feathers 

 largely marked with black in their apical portion, and the 

 outer ones more or less marbled with brown ; lining of wings 

 and under tail-coverts, like the rest of the plumage of the 

 under parts, pure-white. Irides very dark brown, almost black ; 

 bare eyelids jet-black ; bill white, with a roseate or pinky 

 tinge in life, yellowish horn-coloured on the terminal hook ; 

 legs and feet flech- white. Extreme length (approximately), 

 51in. ; extent of wings, 122in. ; wing from carpal flexure, 28in. ; 

 tail, lOin. ; bill, following the curvatui-e of upper mandible,. 

 8-5in. ; length of lower -mandible, T'oin. ; tarsus, oin. ; middle 

 toe and claw, 7 'Sin. 



Young. — Similar to the adult, except that there is less 

 white on the upper surface of the wings, although all the 

 coverts have white margins ; the interscapular region is 

 traversed longitudinally with club-shaped marks of greyish- 

 black, increasing downwards, the larger feathers having their 

 apical portion completely covered ; upwards, towards the 

 shoulders, these marks diminish till they become mere arrow- 

 heads ; on the mantle and on the upper tail-coverts there 

 are sometimes marginal bars, but there is no vermiculation. 

 Bill yellowish horn-colour, with a bluisli tinge on the upper 

 mandible. 



Nestling. — Covered witli pure - white down, thick and 

 woolly in appearance. 



Obs. — In the extremely-old male specimen exhibited the 

 tail is entirely white ; there is an unusual amount of white 

 on the upper surface of the wings, all the coverts being more 

 OT less margined with it ; and the scapulars are obscurely 

 marbled with greyish-brown. The feathers composing the 

 mantle are faintly vermiculated. 



Eggs. — Yellowish-wdiite, sometimes with a darker zone at 

 the large end; ovoido-elliptical, and measuring 5in. in length 

 bv Sin. in breadth. 



