212 
AVES. 
and sixth same length, the fourth the longest of the whole ; tail 
with eight broad feathers. 
Crotophaga ani .— The American Keel-Bill. 
Plate XLII*. fig. 3. 
Black, with an iridescent play of colours from violet, green, 
and pink; tail cuneiform. Nine inches long. Inhabits America. 
Genus 13. — TROGON.— Linnaeus. 
Generic Character. —Bill short, thick, arcuated, broader than 
high, bent downwards at the point, and crevulated on the mar¬ 
gin, with long nuchal bristles at the base ; nostrils basal, open ; 
legs short; tarsus shorter than the external toe, partly covered 
with feathers below the knee; the exterior toe reversible; the 
fifth quill longest. 
Trogon Pavonius. — The Quizel. 
Plate XLVIII. fig. 5. 
Head surmounted by a large crest of upright filamentary fea¬ 
thers, consisting of a mixture of green, golden-yellow, and crim¬ 
son ; throat, neck, breast, back, wing-coverts, and the four 
principal feathers of the tail, of a rich iridescent-green, reflect¬ 
ing, in different lights, the appearance of burnished gold; the 
shafts of all the feathers are of a deep ultra-marine blue, and 
the wing-coverts hang dangling over the sides, extending be¬ 
yond the abdomen ; quills brownish-black ; abdomen and cris- 
sum bright scarlet; bill and feet skin-colour; claws black; tar¬ 
sus 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 14.—CAPITO. — Vieillot. 
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 stiff 
nuchal bristles ; tarsus same length as the exterior toe; the two 
anterior toes attached the length of the second phalange ; wings 
short, slightly rounded. 
