AULACORAMPHUS The Earl of Der by’s Grooye-bill. SPECIFIC CHaRAcTER Aul. rostro castaneo, antice in brunnescenti-niorum transeunte, ad has} = es >, ad basin fa cf . A . . 2 aa 5 ; “ | | ' centi-albida cincto ; rectricum intermediarum duarum apicil 7 2bus castanei S. General plumage green, slightly tinged with brow ) g Bau g rown on the upper surface of the body with blue on the back of the head, the nape and cheel | fad eee : : ° nape ¢ ‘heeks, and fading into whit a . A : ? é 0 white on the chj primaries blackish brown; two middle tail-f ; oe ; y ail-feathers largely tipped wi portion of both mandibles and the apex of ee eae : ; 2S 1e apex of the upper chestnut-red, the remainder of bill black, with the exception of a narrow line of white. border; | ee | E ite, bordering the sides of dibles at the base ; orbits lead-colour : irides ve ; | oa s lead-ec ; inides yellow ; legs and feet lead-colour Total length, 15 inches ; bel, 3; wing, 5; tail, 5; tarsi, 1+ Aulacorhynchus Derbianus, Gould in Proc. of Zool. Soc., Part III p. 49 Pteroglossus Derbianus, Gould, Mon. of Ramph., pl. 32.—Ib. Sturm’s Edit., pl G q : : Z : "9 . 2.— aS , s Fx it., Pp : =a tray and Mitch. Gen. of Birds, vol. 1. p. 404, Pteroglossus, sp. 27 S ; tank al eae ine u ‘acoramphu Derhi anus B ap Sp 06 ] A l § 5 B c . S} oN i ) Ss ry S onap Consp. Ge LB. Ay “5 Pp: 96, Aulacoram IILUS , Sp. oO. BO the aD of the only oes of this fine species that have come under my notice, I am indebted to the kindness of the a Earl of Derby, whose valuable collection so often afforded me opportunity of examining rare and new species. In naming this new bird after His Lordship, I was desirous of paying a just tribute to one, who during a long life took the greatest interest in the promulgation of the nana scienecd parti- cularly that of Ornithology, and of evincing my sense of the many favours he accorded to me. In the former edition of this work I gave the Cordillerian Andes, in a wide sense, as the habitat of this species, but I have since ascertained that Dr. Poeppig of Leipsic found it in Peru, and Mr. Bridges in Bolivia, near the margins of the rapid mountain streams at Ronco, in the country of the Yuracuri Indien It is a very fine species, and possesses cha- consequently those countries are its true and native habitat. it is most nearly allied to 4. sulcatus, racters by which it may be readily distinguished from every other ; but is of a more robust form, has a stouter and less attenuated Dill, the basal angle of which is not carried Idle tail-feathers tipped with chestnut, a character never so far back as in that species, and has the two mic pig has given a full description of this bird seen in 4. sulcatus. ‘The Messrs. Sturm inform us that Dr. Poep No. 21, or No. 68], Supplement), and that he there states its cry 1s loud like that of the Wagtails, both while Messrs. Sturm in “Frorieps Notizen” (vol. xxxi. and disagreeable ; that it carries its tail erect with a bobbing motion, hat it lives in the woods, and is very rare. teroglossus Beauharnaisi, it is a native of the 8000 feet above the level of the perched on the trees and when on the ground; t add, that Dr. Poeppig had further informed them, that, like the P an elevation of Peruvian Andes, particularly the province of Huanuco, at , and that they are of a shining whiteness, Sea; that, like its congeners, it deposits its eggs In hollow trees like those of the Kingfisher (A/cedo Ispida). We are further indebte of the young bird, which differs considerably from the adult. The bill is shorter, dist ntirely absent; the chestnut-red colouring of the bill is also ; placed by blackish brown on the instead of white, as in the d to the Messrs. Sturm for a knowledge the sulci but indistinctly and not deeply impressed, and the serratures € idle of the culmen, being re les is dirty white, especially on t more diffused, and is only observable on the mic t the base of the mandib but lighter and less pure, especially the middle ones, tomize and under mandible ; the line a adult ; the colour of the plumage is similar, tail is remarkably different, all the feathers being very at, the tip. he under surface; the . which have also pointed, a chestnut-brown spot very near to, but not quite The figures are of the natural size.