BIRDS OF EGYPT. 297 



the quills dusky ; remaiudcr of the plumage white ; beak 

 vermilion ; legs black ; irides dark brown. 



Entire length 21 inches; culmcn 2-8 ; wing, carpus to 

 tip, 16'5 ; tarsus 1"5. 



Fig. Gould, B. of Eur. pi. 414. 



322. Sterna anglica, Montagu. Gull-billed Tern. 



The present species is one of the most abundant Terns in 

 Egypt. Though most plentiful in Lower Egypt and the 

 Fayoom, I have met with it frequently as far up the Nile 

 as Sioot. 



Breedinq-plumage. — Top of the head and nape glossy 

 l)lack, remainder of the upper plumage pale pearl-grey ; 

 under plumage white ; legs and entire beak black ; irides 

 dark brown. 



In winter the top of the head is white, streaked or mottled 

 with black ; nape and in front of the eye darker. 



Entire length 14 inches; culmen TS ; wing, carpus to 

 tip, 13 ; tarsus 1-35. 



Fig. Gould, B. of Eur. pi. 410. 



323. Sterna cantiaca, Gm. Sandwich Tern. 



This Teni appears to be more confined to Lower Egypt 

 than 8. anglica, and is by no means so common, though it 

 cannot be considered a rare species in that country. 



My description is taken from a specimen obtained at 

 Alexandria in February. 



The plumage is very similar to that of S. anglica ; the bill, 



