SYNOPSIS OF THE 
21. CALLISTE XANTHOCEPHALA (Tscuup1). 
Callospiza xanthocephala, 7'sch. Wiegm. Arch. 1844, p. 285. —— Calliste 
xanthocephala, Gray’s Gen. App. p. 17. 
Leté viridis; fronte, loris, gula dorsoque summo nigris; dorso 
medio alisque nigris viridi marginatis ; ventre medio crissoque pallide 
rufis ; capite toto aureo. 
Long. ale, 3.4, 
Habitat, East Peru (Tschudi.) 
Figured, Tschudi Faun. Per. pl. 17, fig. 2. 
22, CALLISTE RUFICERVIX (Ft. Prevost). 
Aglaia ruficeryix, Fl. Prev. Voy. de la Venus, Ois. t. v. fig. 1. 
. A+ abdo- 
Atro-cyanea; capite purpurascente, nucha rufo-castanea ; abd 
mine medio crissoque pallidé rufescentibus. 
Long. ale, 2.7, 
Habitat, Santa Fé de Bogota. 
Figured, Voy, de la Venus, Ois. t. v. fig. 2. 
23. CALLISTE LEUCOTIS, Scrater. 
Calliste ruficervix, Bp. Compt. Rend. Ac. Sc. Par. 1850, p- 77 
& Plumis basi plumbeis; abdomine crissoque pallidé rufescenti- 
bus; capistro loris et fascid transyersali verticis nigris; front? 
posticé cerviceque atro-cyaneis ; nucha rufo castanea ; macula aril 
que auriculari, tectricibus alarum minoribus, plumisque axillariba 
albis. 
Habitat, Ecuador (Bourcier). mee 
The above specific character is Prince Canino’s description ° g 
Calliste, brought from the Republic of Ecuador by M. shee 
and which the Prince Canino identifies with CO. rujicerviv (Fl. is 
vost), But it appears to me to be a different, though nearly @ i 
species, as Calliste rujicerviv has no white on the ear-coverts 
: aie gs } howe 
wings. I have therefore given it the name of leucotés. Upon’ 
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