36 CAPITONID^. 



6. HELIOBUCCO. „ 



Type. 



Gymnobucco, aud. {nee Bp.) H. bonapartii. 



Heliobucco, Skelley, Ibis, 1889, p. 476. 



Range. Confined to AVest Africa. 



1. Heliobucco bonapartii. 



Gymnobucco bonapartii, Hartl. J. f. O. 1854, p. 410; Verr. J.f. O. 



'1855, p. 102; Hartl. Orn. W.-Afr. p. 175 (1857); Marsh. 



Monorjr. Capit. p. 137, pi. 65 (1871) ; Omtalet, Nouv. Arch. Mus. 



(2), Bxdl. p. 64 (1879j ; Sharpe, Journ. Linn. Soc, Zool. xvii. 



p. 432 (1884). 

 Barbatiila fuliginosa, Cass. Proc. Acad. Philad. 1855, p. 324. 

 Gymnobucco fuliginosa, C'«ss. Proc. Acad. Philad. 1859, p. 140; 



Oustalet, N. Arch. Mais. (2) ii. p. 67 (1879). 

 Gymnocranus bonapartii, Heine, J.f. O. 1860, p. 191. 

 Gymnocranus fuliginosus, Heine, J.f. O. 1860, p. 191. 

 Megalaima bonapartii, Goffin, Mus. Pays-Bas, Buccones, p. 51, note 



(1863) ; Gray, Li^t Capit. Brit. Mus. p. 16 (1868) ; id. Hand-l. 



B. ii. p. 176, no. 8478 (1870). 

 Heliobucco bonapartii, Shelley, Ibis, 1889, p. 476. 



Adult. Brown, with the head always feathered, and the back and 

 breast always distinctly streaked with mesial stripes of yellowish 

 white ; the head washed with olive-yellow and the throat ashy grey ; 

 "bill horn-black, clearer on the sides; feet dark brown" {A. 

 Reichenoiu). Total length 5"5 inches, culmen 0"7, wing 3-1, tail 

 1*65, tarsus 0"75. 



Younc/. Like the adult, but with the bill yellow at the base 

 of both mandibles ; the streaks on the upper and under surface 

 obsolete, both washed with olive. 



JIab. West Africa, from the Camaroons to the Congo, and across 

 the continent to the Niam-Niam Country. 



a. Ad. sk. Gaboon. M. Verreaux. 



b,c. Ad.sk. Gahoon (Diichnilhi). Sharpe Coll. 



d. Ad. sk. Camma River, Gaboon {Duchaillu). Tweeddale Coll. 



e. Ad. sk. Sassa, Niam-Niam Country, Oct. F. Bohndorff [C.]. 



7. SMILORHIS. 



bmilorbis, Sundev. Av. Meth. Tent. p. 75 (18/2) S. leucotis. 



Range. Confined to Africa. 



Key to the Species. 



a. Lower part of back dark brown ; mantle and back 



light brown leucotis, p. 37. 



6. Lower back and rump white; mantle and upper 



back blackish kilimensis*, p. 37. 



* Smilorliis bocagii A. Souza, Jorn. Lisb. xliii. p. 1.58 (1886), seems to be 

 nearly allied to the East-African bird. 



