(316) Leioptila castanoptera.
Malacias castanoptera Sdvadori, Ann. Mus, Civ. Gen., (2) vii, p. 363 (1889) (Monte Carin). Ziojptila castanoptera. Blanf. & Oates, i, p. 199.
Vernacular names. None recorded.
Description. Resembles Tickell's Sibia but is a darker bird and has the greater part of the inner secondaries and greater coverts chestnut.
Colours of soft parts. Iris crimson; bill and legs black.
Measurements. A rather larger bird than the last; wing 89 to 95 mm..
Distribution. Karenni and Western Shan States.
Nidification and Habits. Nothing recorded.