(Numididae; Ϯ White-breasted Guineafowl A. meleagrides) Gr. αγελαστος agelastos  sullen, grave  < negative prefix α- a- ; γελαστης gelastēs  laugher  < γελαω gelaō  to laugh (cf. Gr. myth. Agelastus, another name for Pluto, gloomy lord of the underworld; Gr. αγελαστικος agelastikos  gregarious  < αγελη agelē  herd  < αγω agō  to lead); "Of the Birds I shall only mention Agelastes meleagrides, Temm., a lesser Talegalla, furnished with a strong spur, very rounded wings, and a flat tail. The head and neck are naked; a very broad white collar; all the rest of the plumage black, finely undulated with white." (Bonaparte 1850); "Agelastes Bonaparte, Proc. Zool. Soc. London, 1849 (1850), p. 145. Type, by monotypy, Agelastes meleagrides Bonaparte." (Peters 1934, II, 133).
Var. Agelastus.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 18 December 2018).