Ianthia Blyth, J. A. S. B., xvi, p. 132 (1847). Type, I. rufilatus.
The genus Ianthia differs from Calliope and Tarsiger in having much shorter, weaker feet and tarsi, and in having a com¬paratively longer tail. It also differs from both in having the tail-feathers more pointed at the tips, though this feature obtains to some extent in Tarsiger.
The genus contains four species of Indian birds, in which the males are very brightly coloured and the females are dull.
Hartert includes Ianthia in the genus Tarsiger, but the short tail of the latter and the weak feet of the former, together with their different habits, seem to divide them satisfactorily.
Key to Species.
A. Sides of body orange-chestnut contrasting
with remainder of lower plumage ……….I. cyanura, p. 98.
B. Sides of body of same colour as remainder of lower plumage.
a. A white supercilium I. indica, p. 102.
b. No white supercilium 1. hyperythra, p. 103.