430 



LARID.E. 



NATATORES. 



LAlilDJt:. 





Vvi'.^' 



•s:^^^ 



r\ 





THE MASKED GULL. 



Larus capiatratus. Masked Gull, Flem. Brit. An. p. 142. 



,, ,, Brown-headed Gull, Jenyns, Brit. Vert. p. 272. 



Chroicocephalus, ,, ,, ,, ,, Ey ion, Rare Brit. Birds, p. 63. 



Lurus ,, Mouelte d 7iiasque lirun, Tlmm. Man. tl'Ornith.vol. ii.p. 783. 



This species, first distinguished and separated from Larus 

 ridihundus Ly M. Tcniniinck, appears to be very rare, since 

 even now, when so much attention is devoted to ornithology, 

 but very few specimens arc known. The first notice of it as 

 a British Bird that I am acquainted with in print, occurs in 

 the sale catalogue of Mr. Bullock''s collection, published in 

 April, 1819. On the fifth day, a day devoted to the sale 

 of British Water-Birds, the sixty-third lot, page 32, is 

 " Brown-headed Gull, L. crylhropus, male and female, 

 young and eggs ; taken at Westra, in the Orkneys" ; and 

 was bought by Dr. Leach. From these examples, M. Tem- 

 minck, who was in London at that time, to attend the sale of 



