WHITE-EYED GULL. 97 



eggs of Larus hempriclni, but appears to be rather 

 more strongly developed." 



Male and female in spring have all the head, part 

 of the nape, all the throat, and the front part of the 

 neck, black, with a small white spot above and below 

 the eve; a demicollar of pure white encircles the nape, 

 advancing to a point on the side of the neck; below 

 this is another kind of collarette of bluish ash-colour, 

 which extends to the sides of the crop and flanks; 

 the upper part of the body slate-colour; front of the 

 neck, middle of the crop, abdomen, and under tail 

 coverts pure Avhite; wing coverts slate-colour; primaries 

 black; secondaries bluish ash, with their external webs 

 black, and the points white; tail pure white. "Naked 

 space round the eye and beak coral red, with the 

 point blackish; iris dark brown; gullet yellowish 

 corneous; feet yellow, the joints more plumbose." — 

 (Hueglin.) 



The young before the first moult have all the iipper 

 parts, flanks, and the greater part of the tail dull 

 brown or earth colour; primaries dark brown; only the 

 extreme point of the secondaries white; throat, front 

 of the neck, crop, and middle of abdomen white, legs 

 lead brown or greenish; and the beak black. After 

 the first moult, during the winter, the head and top 

 of the neck dark ash brown; top of the body slate 

 colour; under pafts pure white; primaries black, ter- 

 minated by a fine white border, scarcely visible in 

 the three first; the secondaries broadly tipped with 

 Vv'hite; tail perfectly white; beak russet yellow; legs 

 dull yellow; iris white. 



Figured by Temniinck and Laugier, pi. color. oQ>^, 

 plumage of spring. The figure is from Werner's Atlas 

 of Plates to Temminck's Birds of Europe. 



