POGONORHYNCIIUS DIADEMATUS. 
(THE CROWNED B A R B E T.) 
Laimodon diadematus . . . (1856) Heugl. ; Syst. Uebers. Vog. N. 0. Afr. p. 47, et Beitr. t. 28. f. 1. 
Pogonorhynchus diadematus . . (1861) Heugl. ; Ibis, p. 126, pi. 5. fig. 3. 
. • (1863) Goffln ; Mus. Pays-Bas, Bucc. p. 9. 
„ . . (1864) Heugl. ; Orn. N. 0. Afr. tab. xxvii. 
... (1868) Gray ; Cat. Brit. Mus. Capit. p. 4. 
P. minor : rostro nigro : fronte rubra : occipite nigro : gutture toto albo. 
Hab. in Africa orientali. 
Sexes alike ; forehead and top of the head crimson, upper plumage and a broad line 
down the sides of the head and neck black ; a stripe above the eye sulphur-yellow, shading 
into white down the sides of the occiput and nape; back and wing-coverts irregularly 
striped with bright yellow, the rump being almost entirely of that colour ; the feathers of 
the shoulders broadly edged with white; quills and tail brown, exterior webs narrowly 
bordered with bright yellow ; under surface entirely white, with a yellowish tinge on the 
breast; wing 3", tail 2". 
Hab. Banks of the Bahr-el-Abiad [Heuglin). 
"Only found in the wide steppes of the Kitsch negroes, between 7° and 8° north 
latitude, on the western bank of the Bahr-el-Abiad. It is common on high trees, especially 
in the colossal sycamores. Its food consists of insects, berries, and fruit ; it has a loud and 
lively note." [Heuglin, 1. c.) 
This very rare species was first described by Von Heuglin ; he has given two figures of 
