LAUl -LAKH) i: 305 



in W. Asia. Tartly migratory ; many winter IJritish Isles and 

 Coasts of North Sea ; others wander south to Mediterranean 

 Basin, NAV. Africa, Nile \'allcy, Red Sea, Persian Gulf, and 

 further east in S. Asia. 



Larus leucophthalmus Temminck. 



(^ ^ Head, throat, and foreneck black at all seasons ; above 

 and below eye a white stripe ; back, scapulars, upper wing coverts, 

 and middle upper tail coverts dark grey ; nuchal collar, edge of 

 wing, tail, and underparts white ; under wings dark grey ; 

 primaries black, inner tipped white, as are also secondaries. 

 Bill long and slender, dark carmine red, tip black. Legs and 

 feet yellow. Iris white, eye-rim red. Wing 320-330 (H.). 



A Red Sea species ; occurs in winter at times on Egyptian 

 Coast up to Suez. 



Larus hemprichi (Bruch). Hemprich's Gull. 



Resembles "leucophthalmus" but head and throat grey 

 brown. Iris brown, eye-rim white. Bill thicker, greenish yellow 

 with red tip and a black band behind tip. Legs and feet dull 

 yellow. Chick in down is peculiar ; pale sandy white, unspotted. 



Also a Red Sea and E. African species ; occurs on Egyptian 

 Coast up to Suez. 



Pagophila. 



Legs feathered to heel-joint; tarsus shorter than middle 

 toe and claw. 



Pagophila eburnea (Phipps). Ivory Gull. 



(^ 4? winter and summer. Pure white. P>ill slaty blue, tip 

 yellow. Legs and feet black. Eye-rim orange red, iris brown. 

 Wing 335-365. Tarsus 39-42. Bill 32-36. Immature: greyish on 

 face and throat ; spots on upper parts and occasionally under- 

 parts, tips of quills, and subterminal band on tail dark brown. 



Jh'ecds. — Circumpolar ; Spitzbergen, Nova Zembla, Franz 

 Joseph Land, Islands off N. Asia and Arctic N. America to 

 N.W. Greenland. Occurs in winter occasionally on N.W. 

 European Coasts, chiefly Faroes, Shetlands, Orkneys, Scandinavia 

 and Finland ; rarely south as far as N.W. France ; in America 

 south to New York and British Culuiubia. 



U 



