296 



GAVIiE. 



This widely spread species is known to breed in many localities in 

 the Atlantic and Indian Oceans ; and on the western shores of the 



Head of Sterna dougalli. Natural size. 



Pacific is recorded from New Guinea^ Australia, and New Caledonia. 

 It formerly bred in several localities on the British coasts. 



296. STERNA LONGIPENNIS. 



(DAURIAN TERN.) 



Sterna longipennis, Nordmann, Erman's Verz. von Thieren und Pflanzen, 

 p. 17 (1835). 



The Daurian Tern has a black forehead ; the upper tail-coverts are 

 pure white ; the primaries are not margined with white towards the 

 tip; the bill is black and the feet are brown. 





Head of Sterna longipennis. Natural size. 

 Figures : Middeudoi'ff, Sibirische Reise, ii. pi. 25. fig. 4. 



