BUFFON'S SKUA. 



635 



NATATORES. 



BUFFON'S SKUA. 



Lestris Buffonii. 



Lestris parasiticus, Arctic Skua, JENYNS, Brit. Vert, p. 283. 



Jager, EYTON, Karer Brii. Birds, p. 55. 



Parasitic Gull, GOULD, Birds of Europe. 



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



p. 501. 



THIS smaller species of the genus Lestris, of which the 

 most adult examples measure only twelve inches from the 

 anterior bend of the wing to the end of the longest quill- 

 feather, and are otherwise distinguished by characters to be 

 hereafter referred to, although much more rare than Sir 

 John Richardson's Skua, has occasionally been taken in 

 this country, and I have followed the example set by others, 

 of separating this species also from the term parasiticus, 



