578 



LARID.E. 



diately above the eye, and between it and the bill, (with the 

 exception of the narrow line of greyish-black closely encir- 

 cling the front and lower part of the eye,) upper part of the 

 throat, and sides of the neck, are white; crown, nape, and 

 back of the neck, blackish-grey ; back, scapulars, greater 

 and lesser wing-coverts, blackish-grey, tinged with yellowish- 

 brown, the extremity of every feather varying from greyish- 

 white to white, as it approaches the tail ; under part of the 

 throat, and upper part of the breast, pale ash-colour ; lower 

 breast and all the under plumage, white ; shafts of the first 

 six primaries brownish-black at base, becoming gradually 

 darker towards the extremity, where they are black in the 

 first three, but in the fourth, fifth, and sixth assimilate in 

 colour to the feather at that part, which is white ; the entire 

 of the outer webs of the first five black ; the inner webs with 

 a broad edging of white, to within from one to two inches of 

 the end, which part is black in the first three, but tipped 

 with white in the fourth and fifth ; in the sixth the inner 

 web is white, the outer black, excepting for three or four 

 lines from the tip, where it is white, and again at about an 

 inch from the end where a white spot of an oval form appears. 

 Feathers of the tail white, with black tips." 



The representation below is that of a young bird in the 

 plumage of its first autumn. 



