224 STEENA. 



front of the eye! Coasts of Indian Ocean, with Persian Gulf, Red Sea, and 

 Mediterranean. (J. 990. B. 1501.) 



Also S. maxima, 21". Legs black. Bill orange-red. Neck and tail white. Mantle 

 pearl -grey, with conspicuous white line. Outer webs of primaries grey. America to W. 

 Africa in winter. 



S. elegans. 16J." Similar to S, mamma, but bill is longer and more slender. Pacific 

 coast of America. 



S. eurygnatha, 174". Similar to ;S. elegans, but bill is yellow. East side of America. 



242. Sterna bergii. The Large Crested Sea-Tern. 



^ \^" to 21"; 14 oz. to 1 lb. ? 14 oz. to 1 lb. Legs black. Bill pale 

 yellow. Eesembles S. media, but has a white frontal band and broader white, 

 lores. Mantle grey, tinged lilac. Long black crest. Face, nape, and below 

 silky white. Tips of secondaries white. — In winter : Crown mottled white, and 

 some of the nuchal feathers with white tips. Indian Ocean and Polynesia, also 

 west coast of S. Africa, the Red Sea, and China Sea up to Japan, Australia, but 

 not New Zealand. Common throughout India and Ceylon. One to three eggs 

 (2-45 xL71), greenish, blotched and spotted brown and purple. (J. 989. 

 B. 1502.) See illustration, p. 225. 



Also S. lemsteini. 17". Legs black. BiU olive, tip yellow. Forehead and lores white. 

 Crest -feathers black and white. Mantle pale grey. Rump white. The Moluccas, Chagos 

 Archipelago, Seychelles, Eodrigues, and Mascarene Islands. 



S. frontalis. 16" to 17"- Legs red-brown. Bill black. Forehead and lores white. Crest- 

 feathers filamentous and not acuminate. Mantle pale grey. Outer web of first primary black 

 nearly to the tip. Below white, tinged pink. Australia and Kew Zealand. 



243. Sterna dongaUi. The Roseate Sea-Tern. 



In honour of Dr. MacDougall, of Glasgow, who first sent a specimen and description to 

 Montagu in 1812. 



$ 15f". Legs coral. Bill black, Black head, and long, pointed, velvet-black 

 crest. Beneath rose. Mantle pale grey. White collar round hind neck. Inner 

 webs of primaries white to the tips. — In winter: Forehead spotted white, and 

 below nearly white. Coasts of temperate and tropical Atlantic, and of the Indian 

 Ocean. One or two eggs (1-58 x 1-12), greenish, spotted and blotched brown and 

 purple. (B. 1508. S.F. iii. 376.) 



244. Sterna albigena. The White-cheeked Sea-Tern. 



$ 14 J". Legs Indian red. BiU blackish. Patch in front of eye. Back, 

 scapulars, wings, and tail French grey. First primary with large portion of inner 

 web white to margin. Below dark vinaceous grey. Wing-lining pale grey. — In 

 winter : Crown mixed black and white. Wing-lining white. From Red Sea to 

 Laccadives. (B. 1505.) 



245. Sterna longipennis. I^ordmann's Sea-Tern. 



^14^". Legs black. Bill black. Similar to & /wOT'afo'Zjs. From Kamschatka 

 to New Guinea, Malay Peninsula, and Ceylon. (B. 1507.) 



