306 BIEDS OF EGYPT, 



(Syst. Ueb. p. 69) it is to be found singly on the Mediterra- 

 nean coast in the winter. 



Winter plumage. — Head white, with fine dusky streaks on 

 the upper part ; neck, rump, tail, and underparts white ; 

 back, scapulars, wing-coverts, and secondaries pearl-grey, 

 with a white edging to the shoulders and white tips to the 

 greater wing-coverts and secondaries ; primaries black, with 

 white tips, excepting the outer two, which have a white 

 patch near their ends ; beak yellow, shaded with grey to- 

 wards the base; legs yellow; irides brown. 



The following measurements are taken from the specimen 

 I shot in Egypt : — 



Entire length 16-3 inches; culmen 1"3; wing, carpus to 

 tip, 14 ; tarsus 1'9. 



Fig. Gould, B. of Em\ pi. 437. 



33S. Larus cachinnans. Pall. 



According to Von Heuglin (Syst. Ueb. p. 69) this Gull 

 is to be met with on the Red Sea and near Damietta. 



From an examination of specimens, in which I have been 

 assisted by Mr. Howard Saunders, who is making an es- 

 pecial study of the Laridas, this species appears to be per- 

 fectly identical with Larus leucopheeus {antea, p. 304), and 

 I have, therefore, not given a desciiption of the bird. 



839. Larus gelastes, Licht. Slender-hilled Gull. 



This Gull ranges throughout Egypt, and is probably a 

 resident in the country. Mr. E. C. Taylor (Ibis, 1867, p. 72) 

 mentions that his party procured a specimen out of a small 



