AVES. 
213 
Capito collaris. — The Collared Barbet. 
Plate L. fig. 3. 
Reddish-brown above, with a black collar round the neck; 
head black; throat and under parts white; tail rufous, and 
barred transversely with a darker colour. Seven inches and a 
half long. Inhabits Guiana. 
Genus 15.—BUCCO.— Linnceus. 
Generic Character. —Bill robust, pointed, laterally compressed, 
and with long nuchal bristles at the base; upper mandible 
strong, emarginated, and incurved; nostrils basal, lateral; tarsus 
shorter than the exterior toe; the anterior toe attached as far as 
second phalange. 
Bucco niger. — The Black-Throated Barbet. 
Plate XLII. fig. 8. 
Crown, nape, throat, wings, and tail, black; the upper wing- 
coverts spotted with white; front scarlet; ophthalmic region 
extending halfway down the throat; sides of the neck, back, 
and whole under parts, white ; legs and bill dusky. Six inches 
long. Inhabits the East Indies and Africa. 
Genus 16.—POGONIAS.— Illiger. 
Generic Character. —Bill short, robust, with the ridge much 
arcuated ; edge of upper mandible strongly serrated, sometimes 
smooth, and at others furrowed; lower mandible not so deep as 
the upper one ; nostrils basal, lateral, with rigid nuchal bristles 
at its base ; tarsus same length as the exterior toe; the anterior 
one adhering as far as the joint of the second phalange. 
Pogonias sulcirostris. — The Groove-Beaked Pogonias. 
Plate L. fig. 8. 
Body above, wings and tail, black ; back with a white spot; 
throat, collum, and abdomen, scarlet, with a paler spot on the 
wings; hypochondria straw-yellow; quills dark burnt umber- 
brown ; upper mandible with a longitudinal groove, and the 
lower one with several. Nine inches long. Inhabits Africa. 
Genus 17. — PSITTACUS. — Linnceus. 
(generic Character. —Bill short, thick, robust, gibbous, much 
