(Leiothrichidae; Ϯ Red-billed Leiothrix L. lutea) Gr. λειος leios  smooth, polished; θριξ thrix, τριχος trikhos  hair; "Genus, LEIOTHRIX.  Bill short, much compressed, the culmen gradually curved, notched.  Nostrils large, membranaceous; aperture linear, lateral.  Wings short, much rounded.  Tail moderate, deeply forked.  Type.—Parus furcatus, TEMM. Pl. Col.  India." (Swainson 1832); "Leiothrix Swainson, 1832, in Swainson and Richardson, Fauna Bor.-Amer., 2 (1831), pp. 233, 490. Type, by original designation, Parus furcatus Temminck = Sylvia lutea Scopoli." (Deignan in Peters 1964, X, 381).   
Var. Leioptrix.   
Synon. Bahila, Calipyga, Fringilloparus, Furcuria, Mesia, Philacalyx.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 23 January 2019).