, , SCANSORES. 



''2, POGONORHYNCHUS RoLLETi. Rollet's Barbican. 



PogGnias "R-ollefci, Dejil. Rev. et Mag. de Zool. (1853) p. 290. 

 Pogonorhynchus Rolleti, Heugl. Ibis (1861), p. 123, pi. 6. f. 1. 



a. East Africa. From M. Verreaux's Collection. 



3. POGONORHYNCHUS BiDENTATUS. The Smooth -billed 

 Barbican. 



Bucco bidentatus, Shaw, Nat. Misc. pi. 393. 

 Pogonia Isevirostris, Leach, Zool. Misc. pi. 77. 

 Pogonius Levaillantii, Leach, Zool. Misc. pi. 117. 

 Bucco leuconptus, Vieill. N. Diet. cPHist. Nat. iii* p. 242. 

 Pogonias Isevirostris, Wagl. Syst. Av. 

 Bucco Levaillantii, Vieill. N. Diet. cPHist. Nat. iii. p. 243. 

 Laimodon bidentatus, G. R. Gr. Gen. of B. ii. p. 428. 

 Pogonias bidentatus, Bp. Consp. Av. p. 145. 

 Pogonias minor, Cuv. Regn. An. (1817) i. p. 428. 

 Pogonorhynchus bidentatus, Heugl. Ibis, 1861, p. 123. 

 Laimodon Isevirostris, Heugl. Syst. Uebers. Vog. N. O. Afr. p. 47. 

 Levaill. Barb. t. Suppl. A and t. Suppl. K. 



a, b. West Africa. From Mr. Argent's Collection. 



4. POGONOBHYNCHUS LEUCOCEPHALUS. The White-headed 

 Barbican. 



Laimodon leucocephalus, Defil. Rev. etMag. deZool. (1853) p. 291. 

 Pogonorhynchus leucocephalus, Heugl. Ibis (1861), p. 123, t. 5. f. 2. 



a. East Africa. From M. Verreaux's Collection. 



5. POGONORHYNCHTJS TORQUATUS. The Masked Barbican. 



Bucco torquatus, Dum. Diet. Sci. Nat. iv. p. 56. 

 Bucco nigrothorax, Cuv. Regn. An. (1817) i. p. 428. 

 Pogonias personatus, Temm. PL Col. 201. 

 Pogonias personatus, Cuv. Regn. An. 1829, i. p. 457. 

 Laimodon nigrothorax, G. R. Gr. Gen. of B. ii. p. 428. 

 Pogonorhynchus torquatus, Gojfin, Schleg. Mus. N. H. Pays-Bas, 

 Bucc. p. 4. 



Levaill. Barb. t. 28. 



a, b. Cape of Good Hope. Presented by J. Gould, Esq. 

 c, d. Tette (variety). From Dr. Livingstone's Expedition. 

 e. Cape of Good Hope. Presented by F. Campbell, Esq. 



