332 



GALLO-GKALL.E. 



Family STERCORARIID^. 



Genus STERCORARIUS. 



Brisson, Orn. vi. p. loU (1760). 



Stercorarius catarrhactes. 



Larus caiarractes, Linnaeus, Syst. Nat. i. p. 226(1766). 

 Stercorarius catarrhactes. Dresser, B. Eur. viii. p. 457, j)!. 600 

 (1875). 



The Common Skua. 



Hah. North-Avest Europe and North America. 

 1639. Skull. 0. C. 1231. Ilunterkm. 



Genus LESTRIS. 

 lUiger, Prodromus Syst. Mamm. ct Av. p. 272 (1811). 



Lestris crepidatus. 



Larus crepidatus. Banks in Hawkesworth's Voyage, ii. p. 15 



(1773). 

 Stercorarius richardsoni, Swains. ; Seebohm, Hist. Brit. B. iii.. 



p. 353 (1885). 



Uichardson's Skua. 



Hah. Northern Europe, N. Asia, and North America. 



1640. Sternum, with shoulder-girdle. 



From the Zoological Gardens. 



