688. Geocichla albigularis.
The Nicobar Ground-Thrush.
Geocichla albogularis, Blyth, J. J. S. B. xvi, p. 146 (1847); Hume, S. F. ii, p. 221 (part.); id. S. F. iv, p. 289 (part.) ; id. Cat. no. 355 bis (part.); Seebohm, S. F. ix, p. 99; id. Cat. B. M. v, p. 175.
Coloration. Resembles G. citrina, sex for sex, but differs in having the chin and throat white, and the lores and cheeks also whitish ; the median wing-coverts are not tipped with white; the under tail-coverts are much tipped and otherwise marked with greenish or slaty brown; and the chestnut of the hind neck descends on to the upper back.
The colour of the bill &c. does not appear to have been recorded.
Length about 8.5; tail 2.8; wing 4; tarsus 1.2; bill from gape 1.05.
Distribution. The Nicobar Islands.