a, del Ct lth - Walton Lap. Tuis is one of the least of the family of Ramphastid Andes, and specimens occur in most of the Preroglossus prasinus of Lichtenstein, to w sides of the base of the mandibles. AULACORHAMPHUS ALBIVITTA White-banded Groove-bill. SPECIFIC CHARACTER. Aul. rostro negro, ad basin fascia alba circumdato ; culmine toto ad apicem usque laterumque mandibulee superioris partes, citreis in viridiscentem transeuntibus ; mandibuld inferiore ante fasciam albam macula sanguinea notatd ; guld albida. All the upper surface and wings dark tinged with brown; on the crown and the nape of the neck grass-green ; primaries brownish black, margined externally at the base with dark grass-green ; tail deep grass-green, passing Into blue towards the extremity, and tipped with rich chestnut ; throat white in some, grey or bluish white in others; under surface pale grass-green, very slightly washed with blue on the breast, and with yellow on the flanks; around the orbits and down the sides of the neck bounding the white of the grey throat a line of blue; under tail-coverts rich deep chestnut; bill black, with the exception of the culmen and upper half of the upper mandible, which are greenish yellow, passing into purer yellow at the tip and the lower angle of the under mandible which is chestnut; on the sides of both mandibles at the base a broad band of straw-white; orbits red; feet greenish lead-colour. Male—Total length, 13: inches; bell, 3%; wang, 42+ tail, 5+; tarsi, 1s. Pteroglossus albivitta, Boiss. Rev. Zool. 1840, p. 70.—Sturm’s Edit. of Gould’s Mon. of Rampb. text. - albivittatus, Gray and Mitch. Gen. of Birds, vol. il. p. 404, Pteroglossus, sp. ile lit. of Gould’s Mon. of Ramph. macrorhynchus, Sturm’s Ec : ae yen. Av., p- 99, Aulacoramphus, sp. Aulacoramphus albiwitta, Bonap. Consp. ( ee ee we YE disco -ered. It is a native of the Columbian we t Ss \ Ss 8s e is avi iffers from the collec ions sen from th nce to his country . I di ers fi S : 1 vi al a d of W i e lown the ffe ce Cc Ss f 2 Ss t Ss S ips SEX € reer being | Fs 1 S, W ich is oi 5 due to sex th larg 5 : id rence occurs in he sIze of he specimens, ¥ hich 1S perhé p > the males, and the smaller the females. q The figures are of the natural size.