(591) Geocichla citrina albogularis.
The Nicobar Ground-Thrush.
Geocichla albogularis Blyth, J. A. S. B., xvi, p. 146 (1847) (Nicobars). Geocichla albigularis. Blanf, & Oates, ii, p. 142.
Vernacular names. None recorded.
Description.— Adult male and female differ respectively from the same sexes of the preceding bird in having the chin, throat and fore-neck white and in having the chestnut even richer and deeper than in that bird ; the dark cheek-stripes are just noticeable and the intermediary area sometimes whitish, though never white as in cyanotis.
Colours of soft parts as in G. c. citrina.
Measurements. Wing 100 to 106 mm.; tail 66 to 72 mm.; tarsus 31 mm.; culmen about 20 mm.
Distribution. Nicobars only.
Nidification and Habits. Nothing recorded.