Hornbills of the Ethiopian Region. 51 



4. Cekatogymna atkata. 



Buceros atratus, Temm. PI. Col. 1830, pi. 558'; Hartl 

 J. f. O. 1855, p. 36P; id. Orn. W.-Afr.pp. 162^ 274*; Cass. 

 Pr. Ac. Philad. 1859, p. 139'; Ussher, Ibis, 1874, p. 51^ 

 Bocage, Orn. Angola, p. 113'; Reichen. J. f. O. 1877, p. 18'; 

 Hartl. Abhandl. nat. Ver. Brem. viii. 1882, p. 208'; Dubois, 

 Bull. Mus. Belg. iii. 1884, p. 199; Blittikofer, Notes Leyden 

 Mus. 1885, p. 205 '\ 



Buceros poensis, Fraser, Ann. & Mag. Nat. Hist. 2nd ser. 

 XV. 1855, p. 136, ? ". 



Sphagolobus atratus, Cab. & Heine, Mus. Hein. ii. 1860, 

 p, 171 ; Elliot, Monogr. Bucerot. pi. 24; Bouvier, Cat. Ois. 

 Marclie &c. 1875, p. 28^*; Sharpe, Joavn. Linn. Soc., Zool. 

 xvii. 1884, p. 436". 



Hab. W. Africa, from Angola to Liberia, and inland to 5° 

 N. lat. on the White Nile. 



Equatorial Africa, near the Bari Negro country. Upper 

 White Nile at Lado [Em'm Pacha^) ; Semmio in the Nyam- 

 nyam country (Bohndorff^^) ; Cabinda [Ancliieta) and Ca- 

 zengo [Toulson) in Angola {Bocage') ; Loango Coast {Falken- 

 stein^); Muni River, Gaboon {Du Chaillu^) ; Ogowe River 

 {DuChailht\ Marche'^) ; Fernando Po {Fraser''); Calabar 

 (Laurein^) ; Gold Coast {Pel^), Denkera {Ussher'^), and 

 Ashantee {Mus. Lugd.') ; Liberia {Buttikofer'°). 



3. Buceros. Type. 



1766. Buceros, Liiin. S. N. i. 1766, p. 153 . B. bicornis. 



1849. Anthracoceros, Reichb. Syst, Av. 1849, 



pi. 49 B. mahharicus. 



1859. Bt/canistes, Cab. Mus. Hein. ii. 1859, 



p. 171 B. buccinator. 



1878. Pholidophalus, Elliot, Monogr. Bu- 

 cerot. pi. 32 B, fistulator. 



Key to the Species. 



a. Tail with the two centre feathers entirely black, 

 or occasionally with narrow white ends or nar- 

 row white ba-'Jes. 



e2 



