602 



NATATORES. 



LARID^E. 



LARJDM. 





THE COMMON SKUA. 

 Lestris catamctes. 



Larus cataractes, Skua Gull, PENN. Brit. Zool. vol. ii. p. 174. 



MONTAGU, Ornith. Diet. 



BEWICK, Brit. Birds, vol. ii. p 247. 



Cataractes vulgaris. Common Skua, FLEM. Brit. An. p. 137. 



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



Lestris cataractes, JENYNS, Brit. Vert. p. 280. 



catarractes, TJie GOULD, Birds of Europe, pt. iii. 



Stercoraire cataracfe, TEMM. Man. d'Ornith. vol. ii. p. 792. 



LESTRIS. Gemric CJtaracters. Bill strong, hard, cylindrical, formed for cut- 

 ting ; compressed, curved, and hooked at the point ; base of the upper mandible 

 covered with a cere. Nostrils situated towards the point of the beak, diagonal, 

 narrow, closed behind, pervious. Legs strong, naked above the tarsi, which are 



