COMMON SKUA. 



NATATORES. 



621 



LARID^. 



THE COMMON SKUA. 



Lestris cataractes. 



Lanis cataractes, Skua Gull, 



Cataractes vulyaris, Common Skua, 



PENN. Brit. Zool. vol. ii. p. 174. 

 MONTAGU, Ornith. Diet. 

 BEWICK, Brit. Birds, vol. ii. 



p. 247. 



FLEM. Brit. An. p. 137. 

 SELBY, Brit. Ornith. vol. ii. p. 514. 

 JENYNS, Brit. Vert. p. 280. 

 GOULD, Birds of Europe. 



Leatris cataractes, 



catarractes, The 



,, Stercoraire cataracte, TEMM. Man. d'Ornith. vol. ii. 



p. 792. 



LESTRIS. Generic Characters. Bill strong, hard, cylindrical, formed 

 for cutting ; compressed, curved, and hooked at the point ; base of the 



