18 CAPITONIDiE, 



b ' . Tail white < sener -a 22 



d". Abdomen white; no white on median ' ' ' ?' 



and greater wing-coverts leucogaster, p. 22. 



e'. Throat and fore part of crown red. 



e" . Back and abdomen black abyssinicus, p. 22. 



/''. Back and abdomen not black. 

 c'". With a black collar. 



a*. Larger ; freckling on the back and 



wing-coverts very indistinct torquatus, p. 24. 



¥. Smaller ; freckling on the back and 



wing-coverts more coarsely indicated, irroratus, p. 25. 



d'". With no black collar vieilloti, p. 26. 



f. No red on the throat : forehead red undatus, p. 27. 



1. Melanobucco bidentatus. 



Bucco bidentatus, Shaw, Nat. Hist. Miscell. x. pi. 393 (1798) ; Hartl. 

 J.f. 0.1861, p. 262. 



Le Barbican unibec, Leiaill. Barbiis, Svppl. pi. 48. fig. K (1806). 



Pogouias laevirostris. Leach, Zvol. Miscell. ii. p. 47, pi. 77 (181.5) ; 

 Wagl. Syst. Av. Pogonias, p. 164 (1827) ; Ctiv. Reyne An. p. 457, 

 note (1829). 



Bucco leuconotus, Vieill. N. Diet. d'Hist. Nat. iii. p. 242 (1816). 



Laimodon bidentatus, Gray, Gen. B. ii. p. 426 (1846). 



Pogonias bidentatus, Bonap. t'onsp. Av. i. p. 145 (1850) ; Hartl. 

 Orn. W.-Afr. p. 170 (1857); Verr. P. Z. S. 1859, p. 394; Gurtiey, 

 Ibis, 1859, p. 153 ; Bocage, Jorn. Lisb, i. p. 143 (1868), ii. p. 348 

 (1870). 



Pogonorhynchus bidentatus, Goffin, Mus. Pays-Bas, Buccones, p. 3 

 (1863); Gray, List Capit. Brit. Mtis. p. 2 (1868) ; Sharpe, Ibis, 

 1869, p. 193 ; Gray, Hand-l. B. ii. p. 172, no. 8420 (1870) ; Mar- 

 shall, Mon. Capit. p. 11, pi. 6 (1870); Sharpe, Cat. Afr. B. p. 15 

 (1871) ; Ussher, Ibis, 1874, p. 54; Bouvier, Cat. Ois. Marche ^-c. 

 p. 29 (1875); Reichen. J.f. O. 1877, p. 18; Bouvier, Bull. Soc. 

 Zool. France, ii. p. 77 (1877) ; Oust. Nouv. Arch. Mus. (2) ii. p. 63 

 (1879) ; Bocage, Orn. Angola, p. 105 (1881) ; Sauza, Jorn. Lisb. 

 1887, p. 218. 



Laimodon laevirostris, Riljip. Syst. Uebers. p. 95 (1845) ; Heugl. Syst. 

 Uebers. p. 47 (1856). 



? Pogonorhynchus bidentatus, Heugl. Ibis, 1861, p. 123 ; id. Orn. 

 iV.0.-4/>-.pp. 753, clviii (1870). 



Melanobucco bidentatus, Shelley, Ibis, 1889, p. 476. 



Adult. Black and red, like Pogonorhynchus duhius, with, a white 

 patch on the back, but distinguished by the absence of the black 

 band across the breast, the whole of the throat, breast, and abdo- 

 men being crimson, the latter somewhat inclining to scarlet ; the 

 crown is also washed with dark crimson, and there is a band across 

 the wing formed by the scarlet tips to the greater coverts ; the 

 black bristles on the chin are not nearly so developed, and there 

 are no sulcations on the lower mandible : " iris dark chestnut " 

 (J. Sauza). Total length 9 inches, ciilmen 1-2, wing 3-8, tail 2-91, 

 tarsus I'Oo. 



Hah. West Afric;i, fi-om Gold Coast to Angola. 



a, h. Ad. sk. West Africa. Purchased. 



c. Ad. sk. Sierra Leone. Tweeddale Coll. 



