408 



BUCKEOTlDiE, 



of the upper mandible, and the base of the lower mandible is black. 

 Total length IS inches, wing 8-5, tail 7-3, tarsus 1-4. 



The young male resembles the adult female iu the coloration of 

 the bill, but the white patch is small as in the adult male, and the 

 centre tail-feathers are tipped with white. 



In still younger specimens the outer and centre pairs of tail- 

 feathers show only faint traces of white tips, and the other white- 

 tipped feathers have subterminal black spots. 



Uah. N.E. and W. Africa. 



a. $ ad. sk. 

 b,c. 6 2 atl- St. 

 d,e. <S2 ''I'i- sk. 



/, [I- 2 ficl. sk. 

 h. <S ad. sk. 

 i. 5 ad. sk. 

 k. (S ad. sk. 

 I. cJ imm. sk. 

 m. S ad. sk. 

 n. S ad. St. 

 0, p. S ad. et 



imm. sk. 

 q, r. 2 ad. sk. 

 s,t. 6 2 ad. sk. 

 u. S ad. sk. 

 V. S ad. sk. 

 w. (S ad. st. 

 X. Skeleton. 

 y. Sternum. 



5th Cataract of the Nile. 

 5th Cataract of the Nile. 

 Aiu, Massowah, July. 



Ain, July (Jesse). 



Bogoslaud. 



]Mo haber, Abyssinia, J uly (Jesse) . 



Mohaber, Abyssinia, July (Jesse). 



Abyssinia, Jan. 



Abyssinia (Jesse). 



Geddem, Dec. (Harris). 



River Gambia. 



River Gambia. 



Accra, Feb. (G. E. S.). 



Niger (Baikie). 



Niger. 



No locality. 



Abyssinia. 



Abyssinia. 



F. Galton, Esq. [P.]. 

 F. Gahon, Esq. [P.]. 

 AV. T. Blanford, Esq. 



Sliarpe Coll. 

 Shelley Coll. 

 Sbarpe Coll. 

 Tweeddale Coll. 

 ])r. Riippell [C.]. 

 Sharpe Coll. 

 India Museum. 

 Sharpe Coll. 



Shelley Coll. 

 Shelley Coll. 



Sharpe Coll. 



Dr. Baikie [C.]. 



•Tesse Coll. 



W. T. Blanford, Esq. 



[P.]. 



10. Lophoceros epirMnus. 



Buceros epirhinus, Sundev. CEfv. Kongl. Veten.-Ak. Fork. p. 108 



(1850). 

 Lophoceros epirhinus. Cab. S,- Heine, Mm. Hein. ii. p. 107, footnote 



(1860); Holub u. Pet. Orn. Siidafr. p. 140 (1882); Shelley, 



Ibis, 1888, p. 64. 

 Buceros nasutus, var. caffer, Sundev. CE/c. Konyl. J'eten.-Ak. Fork. 



p. 108 (1850). 

 Tockus pa-cilorhynchus, Kirk (nee La Fres.), Ibis, 1864, p. 327. 

 Buceros nasutus, Ai/rcs (nee Linn.), Ibis, 1871, p. 260 ; il/id. 1879, 



p. 285. 

 Tockus nasutus, »S'/<«;7Je, Cat. Afr. B. p. 9 [part] (1871); Gurney, 



ed. Anderss. B. Damara-Land, p. 206 (1872) ; Buckley, Ibis, 1874, 



p. 365 ; Shai-pe, ed. Layard's B. S. Afr. p. 641 (1875) ; Bucaye, Orn. 



Angola, p. 118 (1881) ; Sharpe, in Oates's Mafabele Land, App. 



p. 304(1881). 

 Lophoceros nasutus, Elliot, Monoy. Bucerot. pi. 47 [text, part.] 



(1877). 

 Buceros (Lophoceros) nasutus, Dubois, Bull. Mas. Bely. iii. p. 212 



[part.] (1884). 



Adult male. Exactly like the male of L. nasutus, but the upper 

 mandible is provided with a small well-developed casque, produced 



