POMATORHINE SKUA. 



673 



with umber-brown and wood-brown ; legs and base of the 

 toes yellow, anterior part of the toes and their intervening 

 membranes black. The transition in the colour of the legs 

 and feet is very irregular, and Mr. Gatcombe informs the 

 Editor that he had a specimen in which one leg was slate- 

 blue below the tarsal joint, whilst the other was black. 

 The average weight of this Skua is 1 lb. 6 to 8 oz. 



VOL. III. 



4 R 



