439. Cryptolopha fulviventris.
Reguloides fulvoventer, Godw.-Aust. J. A. S. B. xliii, pt. ii, p. 167 ; Hume, S. F. iii, p. 398; id. Cat. no. 564 ter.
Coloration. A broad supercilium and a still broader coronal band greenish yellow ; the interspaces blackish brown ; lores yellowish ; nape greenish ashy; back, rump, scapulars, and wing-coverts ashy grey, the greater coverts tipped with white ; quills dark brown, the basal half of the outer webs edged with ashy, the terminal half with greenish yellow; upper tail-coverts bright green ; tail greenish yellow, the inner webs edged with bright yellow as seen from below ; sides of the head ashy and yellow mingled; chin tinged with yellowish; lower plumage greyish white; under tail-coverts very bright yellow; axillaries and under wing-coverts greyish white.
Bill above dark brown, below orange; legs and feet grey ( Godwin-Austen).
Length about 4; tail 1.4; wing 2.1; tarsus .7; bill from gape .6.
Distribution. This well-marked and perfectly distinct species was discovered by Godwin-Austen in the low country of the Dhansiri in Assam. The description is taken from the type, which is a well-carbonized specimen.