246. Sterna seena.
THE INDIAN RIVER-TERN.
Male 15" to 17". Legs red. Rill deep yellow. Mantle and tail-coverts dark grey. Tail pearl-grey. Lateral tail white. Flanks ashy.— In winter: Head with white streaks. India to Malacca. Three or four eggs (1.65 x 1.25). grey, spotted and blotched brown and purple. (J. 985. B. 1503.)