AVE8. 667 



Genus ll.—nAUPHASTOS.—LinncBtis. 



Generic Oiaracter. — Bill broader than thd liead at the base, arcuated 

 above, serrated at tlie edges, and somewhat incurvated at tlie point, thin, 

 IrHHsparent, and cellular ; nostrils vertical, concealed behind the horny mass, 

 surrounded by a membrane; tarsus same length as the external toe; tin: 

 anterior toes adhering to the second joint ; tail short. 



Ramphastos artel — The Brazilian Toucan. Plate xxix. fig. 2. Upper sur- 

 face, abdomen, wings, and tail, clear black; throat, neck, and checks, 

 orange-yellow, with a straw-coloured border beneath ; skin round the eyes 

 red i a crimson band across the breast, as are also the upper and under tail- 

 coverts ; betwixt the bill and the head a black line, bounded by a yell ow 

 band ; upper edge of the bill pale blue, other parts deep black ; irides bri ght 

 blue ; legs and feet gray, claws black. Length, including bill, eigh teen 

 inches. Inhabits Bra7.iI. 



Geims \2.— CROTOPH AG A.— Linncsus. 



Generic Character Bill short, thick, compressed, upper mandible cari- 



nated, the edges angulated ; nostrils basal, ovate, lateral ; legs slender ; the 

 tarsus smooth, longer than the external toe ; wings short, convex, the first 

 quill short, the second and sixth same length, the fourth the longest of the 

 whole ; tail with eight broad feathers. 



Crotophaga ani.— The American Keel-Bill. Plate xxx. fig. 3. Black, 

 with an iridescent play of colours from violet, green, and pink ; tail cunei- 

 form. Nine inches long. Inhabits America. 



Ge7ius }3.—TR0G0'S.—Linna:us. 



Generic C/iaracter. — Bill short, thick, arcuated, broader than high, bent 

 downwards at the point, and crevulated on the margin, with long nuchal 

 Iristles at the base; nostrils basal, open ; legs short; tarsus shorter tliau 

 the external toe, partly covered with featliers below the knee ; the exterior 

 toe reversible ; the fifth quill longest. 



Trogon Pavo7iius. — The Quizel. Plate xxxvi. fig. 5. Head surmounted 

 by a large crest of upright filamentary feathers, consisting of a mixture of 

 green, golden-yellow, and crimson ; throat, neck, breast, back, wing-coverts, 

 and the four principal feathers of the tail, of a rich iridescent-green, refiect- 

 iiig, in difierent lights, the appearance of burnished gold ; the shafts of all 

 the feathers are of a deep ultramarine blue, and the wing-coverts hang 

 dangling over the sides, extending beyond the abdomen; quills brownish- 

 black; abdomen and crissum bright scarlet ; bill and feet skin-colour , claws 

 black ; tarsus covered to the feet with dusky feathers ; irides bright green ; 

 side tail feathers black, under side white. Length, exclusive of tail, seven 

 inches; two middle tail feathers twenty inches long. Inhabits South 

 America. , 



Genus n.—C AVlTO.— VieiUot. 

 Generic Character. — Bill long, straight at the base, broader than deep, 

 compressed at the point ; upper mandible bent at the tip, and longer than 

 the under one ; nostrils lateral, placed in the horny substance at the base of 

 the bill, and hidden by still rmchal bristles ; tarsus same length as the exte- 

 rior toe ; the two anterior toes attached She length of the second phalange ; 

 wings short, slightly rounded. 



