GYMNOBUCCO CALYUS. 
(THE BAL D-H EADED BAEBET.) 
Bucco calvus . 
Megalaima calva 
Gymnobucco calvus 
„ peli 
Gymnocranus calvus 
,, peli 
Megalaima calvus 
„ peli 
(1841) Lafresn. ; Rev. Zool. p. 241. 
(1846) G. R. Gray ; Gen. of Birds, ii. p. 429. 
(1854) Hartl. ; Cab. Journ. Orn. p. 195. 
(1857) Hartl. ; Svst. Orn. W. Afr. p. 174. 
(1860) Heine ; Cab. Journ. Orn. p. 191. 
(1860) Heine ; Cab. Journ. Orn. p. 191. 
(1868) G. R. Gray; Cat. Brit. Mus. Capit. p. 16. 
(1868) G. R. Gray; Cat. Brit. Hus. Capit. p. 16. 
c? . G. terrieolor, olivaceo lavatus : setis densis post nares flavescenti-brunneis : capite calvo. 
5 . Mari similis, sed setis post nares deficientibus. 
Hab. in Africa occidentali. 
Male . — Head of a dark blue colour, entirely bare, with a few black bristles here and 
there ; upper plumage earthy brown, washed with an olivaceous tinge ; under surface lighter 
brown ; bill reddish yellow, bluish at the base ; there is a bunch of stubby yellowish-brown 
bristles behind each nostril, a smaller one at the base of the lower mandibles and under the 
chin ; irides reddish yellow ; legs and feet blackish. YYing 3"'l, tail l" - 85. 
Female . — Same as the male in colour, but wants the bristles behind the nostrils, and 
the other ones are hardly visible. 
Hab. West Africa. Dabocrom {Pel ) ; Fantee {Sharpe ) ; Gaboon (Verreaux). 
The Bald-headed Barbet comes from the Gaboon and Fantee countries; it was first 
described by Lafresnaye in 1841. In 1857 Hartlaub described another species of this genus 
Additional references. — Bucco calvus : Hartlaub (1841), Rev. Zool. p. 337 ; Bonaparte (1854), Consp. Yoluer. 
Zyg. p. 12. Megalaima calva : Goflin (1863), Cat. Mus. Pays-Bas, Bucc. p. 49. Gymnobucco calvus : Hartlaub 
(1857). Syst. Orn. \Y. Afr. p. 174, no. 519 ; Yerreaux (1859), P. Z. S. p. 397 ; Sharpe (1871), Cat. Afr. B. p. 16. 
Gymnobucco peli : Yerreaux (1859), P. Z. S. p. 327 ; Sharpe (1869), Ibis, p. 193. 
