11. CERATOGYMNA. 



389 



p. 161 (1849) ; Hartl. J. f. 0. 1854, p. 126, 1855, p. 361, 1861, 



p. 261 ; uJ. 01-71. W.-Afr. p. 161 (1857) ; Gurney, Ibis, 1859, 



p. 153; ScM. Mm. Pays-Bas, i. Buceros, p. 18 (1862); Etjton, 



Osteol. Av. p. 03 (1867) ; Sharpc, Ibis, 1872, p. 67 ; Sdat. Rev. 



List Vert. A7iim. p. 72 (1872) ; Usshe?; Ibis, 1874, p. 51. 

 Bucorvus elatus, Bomtp. Consp. Gen. Av. i. p. 89 (1850). 

 Ceratogymna elata, Bo7iap. Consp. Vol. Anisocl. p. 2 (1854) ; Elliot, 



Mon. Bucerot. pi. 23 [text] (1878) ; Shelley, Ibis, 1888. p. 50 ; 



Beich.J.f. O. 1890, p. 114. 

 Buceros (Ceratogymna) elatus, G)-ay, Hand-l. B. pt. ii. p. 130, 



sp. 7909 (1870)'; Dubois, Bull. Mus. BeUj. iii. p. 198 (1884). 

 Buceros cultratiis, Sitndev. QEfvers. Konql. Vefe7isk. Akad. Forh. vi. 



p. 160 [2] (1849); Jard'. Co7itr. Oni. p. 161 (1862); Harfl. 



J.f. 0. 1854, p. 127 ; id Orn. W.-Afr. p. 161 (1857). 

 Tmetoceros ciiltratus, Bo7iap. Consp. Vol. ATiisod. p. 2 (1854). 



Adult male. Centre line of throat, from the chin to the wattle, 

 and sides of throat and neck scantily covered Tvith short brown 

 feathers with buff bases, between which the naked skin appears ; 

 crest, breast, and rest of underparts brownish black ; wings, back, 

 ninip, upper tail-coverts, and two central tail-feathers brownish 

 black, bronzed with purplish green ; rest of tail white ; the un- 

 covered bases of the primary quills are white : bill black ; casque 

 very high and abruptly truncated in front, black at the base and 

 yellowish white above. Total length 36 inches, wing 15, tail 12-2, 

 tarsus 2-2. 



Adult female. Differs from the male adult in having all the 

 feathers of the head and neck rufous-buff, with paler bases ; other- 

 wise the plumage is similar : bill and casque yellowish white, the 

 latter but slightly developed. Total length 31 inches, wing 13-8, 

 tail 10*5, tarsus 2. 



The nestling and immature resemble the female adidt ; but in 

 young males the dark brown feathers of the crest, mixed with 

 rufous, begin to make their appearance at an early stage. 



Hah. W. Africa. 



a-c. S 2 ad. sk. 



d. 5 ad. (head only). 



e. (S imm. sk. 



/. cJ ad. (head only). 

 g. S <td. (head only). 

 h. (S fid. sk. 

 i. c? ad. sk. 

 A-. c? imm- sk. 



I. cJ ad. St. 



m. <S ad. (head only). 



Fantee (Gov. Usshei-). 

 Fantee (Gov. UssJier). 

 Deukera (Aubinn). 

 Deukera (Aubitin). 

 Kaitzarako (Aiibiiui). 

 Ashautee. 

 River Niger. 

 Wasa. 



Coast of Guinea. 

 No localitv. 



Sbarpe Coll. 

 Sharps CoU. 

 Sharpe Coll. 

 Sbarpe Coll. 

 Sharpe Coll. 

 Gould Coll. 

 Dr. Baikie [C.]. 

 Capts. Burton and 

 Cameron. 



2. Ceratogymna atrata. 



Buceros atratus, re7)w>. PI. Col. ii. p. 69, pi. 558 (1834) ; Gray, 

 Gen. B. ii. p. 399 (1847) ; Hartl. J. f. O. 1854, p. 127, 1855, 

 p. 301; id. Orn. W.-Afr. pp. 162, 274 (1857); Cass. P. Ac. 

 Philad. p. 139 (1859) : Schl. Mus. Pays-Bas, i. Buceros, p. 18 

 (1862) ; Bocage, J. Sc. Lisb. ii. p. 347 (1808) ; Sharpe, Cat. Afr. B. 



