1. POGOXDRHYNCUU.S. 



15 



c . ^ostl•Il.s complrtfly hidden by 

 teatliers; tail long, extending- 

 beyond wing by more than 



length of tarsus n \ri.'p at i.^. . , -o 



(< . Nostrils rounded and exposed, ' 



^ never hidden by bristles. 

 c . Calmen longer than tarsus .... 12. Chotohhea, p. 55. 

 a . Lulmen not exceeding tarsus in M --• 



length, 

 t-'. Bill pointed, acute, the cul- 

 men far exceeding in length 

 ^ the breadth of bill at gape. 

 c'\ Eictal bristles moderate, 

 uot reaching to end of 



^u ^^\-; ; ■ •• x; 13- Cyanops, p. 61. 



a . Kictal bristles produced far 



cP BH^Tr'^ *'P ?^'''" 14- ^^iESOBUCCO, p. 85. 



n . ±5ill obtuse and short, culmen 



about equal to breadth of [p. §8. 



h" '^ovn. ?r?^ ■ ■ 1" ■', 1^- Xanthol-iima, 



/* . bexes alike ; tail very strono-ly ' 



gi-aduated, the outer feathers fallino- 



short of the inner ones by as much 



as the length of the tarsus or even 



more. 

 e". Base of culmen hidden by tufts of 

 bristles, which overhang two- 

 thirds of the cidmen ; ° centre 

 tail-feathers produced and 



/ . Base of culmen exposed ; centre r^, ofl 



tail-feathers square 17. Trachvpftovtw' ' 



»'. Sexes markedly dik'ent: outer tail! ^"-^^^^^^O'^u., 

 leather much shorter than the centre 



ones ' TO /( ,^_ 



5. Tip ot' under mandible' " lifted 'and ^''"'' ^' ^''• 



iy. 1 ETEAGONOPS, 



1. POGONORHYNCHUS. 



Pogonias, III. Prodromm, p. 202 (1811) p ^^'Pf-' 



Popoijiynehus, F«« Z ^.L, ^^..i^^V uV p! 'iGl '•'"'""• 



' p. dubius. 



liange. Confined to Africa. 



1. Pogonorhynchus dubius. 



Le Barbican Buff Hist. Ois.vu. p. 1.32 (1780); Levaill. Ois ,le 

 Parmhs, Barhiis, n. p. 53, pi. 19 (1806). 



Doubtlul Barbet, Lath. Gen. S;/n. i. pt. 2, p. 506 (1783). ^' 

 Bucco dubius, Gm. S^/.t. Xat. p. 4( 19 (1788) ^ 



