34 CAPITONID^. 



8. Tricholsema frontatum. 



Pogonorhyuchus frontatus, Cab. J.f. O. 1880, p. 351, Taf. ii. fig. 1 ; 



Bocage, Orn. Ajigola, p. 539 (1881). 

 Tricholeema frontatum, Shelley, Ibis, 1889, p. 476. 



Similar to T. diaclematum, but distinguished by the bhick spots on 

 the under surface (Cabanis). 

 Hah. Angola. 



9. Tricholsema masaicum. 



PogODorhynchus frontalis (iiec Cab.), Fischer, Zeitschr. ges. Orn. i. 



p. 370 (1884). 

 Poo-onorhynchus massaicus, Reichen. J.f. 0. 1887, p. 59. 



Adult male. Similar to T. frontatum, but -with the lanceolate- 

 shaped streaks on the back and wing-coverts as well as the edges of 

 the wings and tail-feathers sulphur-yellow instead of straw-yellow ; 

 under surface washed with isabelline ; the black spots on the under 

 surface smaller and not rounded, but longitudinal ; breast-feathers 

 with yellow spots. Total length 5-3 inches, wing 3-1, tarsus 0-85. 



Hah. Masai-Land. 



5. GYMNOBUCCO. ^^^^ 



Gymnobucco, Bp. Consp. i. p. 141 (18o0) G. calvus. 



Gymnocranus, Heine, J. f. O. 1860, p. 191 G. calvus. 



Range. Confined to Africa. 



1. Gymnobucco calvus. 



Bucco calvus, Lafr. Rev. Zool. 1841, p. 241. 



Megalaima calva, Gray, Gen. B. ii. p. 429 (1846) ; id. List Capit. 



Brit. 3Ius. p. 16 (1868); Griffin, Mus. Pai/s-Bas, Buccones, p. 49 



(1863) ; Gra,/, Haricl-l. B. ii. p. 176, no. 8476 (1870). 

 Gymnobucco calvus, Bp. Consp.i. p. 141 (18-50) ; Hartl. J. f. O. 18-54, 



p. 195 ; id. Orn. W.-Afr. p. 174 (1857) ; Ca-^s. Proc. Acad. Philad. 



1&59, p. 140; Hartl. J.f. O. 1861, p. 262; Marshall, Monogr. 



Capit. p. 136, pi. 54 (1871) ; Sharpe, Cat. Afr. B. p. 16 (1871); 



id. P. Z. S. 1871, p. 606 ; Shelley ^- Buckley, His, 1872, p. 287 ; 



Ussher, Ibis, 1874, p. 55; Reichen. J.f. O. 1875, p. 8; Bocage, 



Orn. Angola, p. 540 (1881) ; Biittik. Notes Leyden Mus. vii. 



p. 217 (1885), viii. p. 263 (1886), x. p. 95 (1888). 

 Gymnobucco peli, Hartl. Orn. W.-Afr. p. 175 (1857) ; id. J. f. O. 



1861, p. 263 ; Sharpe, Ibis, 1869, p. "193; Reichen. J. f. 0. 1877, 



p. 17. 

 Gymnocranus calvus, Heine, J.f. 0. 1860, p. 191 ; Reichen. J.f. O. 



"1877, p. 17. 

 Gymnocranus peli, Heine, J.f. 0. 1860, p. 191. 



Adult male. General colour above and below brown, with more 



