298 BIRDS OF EGYPT. 



however, is longer and more slender, and is tipped with dull 

 whitish yellow. 



Eutii-e length 15 '7 inches; culmen TO; wing, carpus to 

 tip, 10*4 ; tarsus 1. 



Fig. Gould, B. of Eur. pi. 415. 



324. Sterna media, Horsf. Allied Tern. 



This species of Sea-Swallow is plentiful in Lower Egypt, 

 where it remains throughout the year, 



Stimmer plumage. — Top of the head and nape black ; back, 

 scapulars, wings, and tail pearl-grey, the primaries having a 

 dusky border on the inner web next to the shafts ; remainder 

 of the plumage white; beak yellow; legs black. 



Entire length 16'2 inches; culmen 2"2 ; wing, carpus to 

 tip, 12-5; tarsus 1. 



The description is taken from a specimen shot at Alex- 

 andria on the 2nd of June, 1865, by Mr. S. Staiford Allen. 



Fig. Bree, B. of Eur. vol. iv. p. 87. 



325. Sterna Bergii, Licht. Svnft Tern. 



The present species is not uncommon in Lower Egypt, 

 where it is a resident. 



Top of the head white, mottled towards the back with 

 black, nape entirely of that colour ; remainder of the neck 

 and underparts white ; back, scapulars, and wing-coverts 

 pale pearl-grey, fading almost into white on the rump and 

 tail ; first, three primaries nearly black, remainder of them 



