15. LornocEROs. 



401 



2. Lophoceros semifasciatus. 



Buceros semifasciatus, Hcuil. J. f. O. 18y5, pp. 356, 361 ; Schl. 



Mus. Pays-Bas, i. ]!uceros, p. 13 (1802); Heich. J. f. O. 1876, 



p. 43 ; 1877, p. 18 [part.] ; Hiittikofer, Notes Leyd. Mus. iv. p. 208 



(1885). 

 Tockiis semifasciatus, liariJ. Orn. W-Afr. p. 163 [part. J (1857); 



Sharxie, Ibis, 1869, p. 192; Sluirpe, Cat. Afr. B. p. 9 (1871); 



Reich. J. f. O. 1875, p. 13; Elliut, Mun. Bucerot. pi. 50 (lower 



lis-.) [text] (1878) ; Ousted. N. Arch. Mvs. (2) ii. p. 128 (1879) ; 



Shelley, Ibis, 1883, p. 558 ; Ilartert, J.f. 0. 1886, p. 595. 

 Lophoceros semifasciatus, Shelley, Ibis, 1888, p. 59 ; Reich. J. f. O. 



1890, p. 115. 

 Buceros fasciatus, Harfl. Orn, W.-Afr. p. 163 [part.] (1857); 



Gurney, Ibis, 1859, p. 153. 

 Buceros (Lophoceros) fasciatus, var. semifasciatus, Dubois, Bull. 



Mils. Behj. iii. p. 215 (1884). 



Adxilt male. Plumage resembles that of L. fasciatus, but only tbe 

 terminal third of the third and fourth pairs of primaries is white* ; 

 small casque and bill yellowish white for the basal two-thirds, the 

 remainder black; the latter colour extends backwards on either side 

 in three stripes, the first traversing the side of the casque, the second, 

 which is edged with red, the groove to the nostril, and the third 

 the anterior half of the cutting-edge of the mandibles and terminating 

 on the side of the lower mandible near the base. Total length 24 

 inches, wing 10"4, tail 9'2, tarsus 1'3. 



Adult female. Similar to the adult male in all respects except the 

 colour of the naked skin on tho unfeathered parts of the throat, 

 which is orange, whilst it is blue in the male. Total length 19'3 

 inches, wing 9-3, tail 8-2, tarsus 1-3. 



Immature mede has the white ends of the third and fourth pairs 

 of tail-feathers tipped with black, otherwise the plumage resembles 

 that of the adult ; the markings of the bill are undefined, and the 

 underside of the lower mandible is blackish ; naked skin round eye 

 and on throat fleshy. 



Hub. W. Africa, from the Niger to Senegambia. 



Accra. 



a. 2 ^^- sk. 



b. S ad. sk. 

 c-ff. c? 2 ad. et 



imm. sk. 

 h. Imm. sk. 



?. 2 ^'^- sk- 



k. 9 ad. sk. 

 I. 9 ad. sk. 

 771. cS imm. sk. 

 n. 2 'I'l- sk. 



o,p. 2 ad. et 

 S imm. sk. 



q, r. 2 iid. et 

 imm. sk. 



Denkera ( Ussher). 

 Fantee. 



Fantee (Aubinn). 



(xold Coast. 



Asbantee. 



Ash an tee. 



Shonga, N ov. 



Ankobra Eiver, Wassan. 



Coast of Guinea. 



W. Africa. 



Sharpe Coll. 

 Shelley Coll. 

 Sharpe Coll. 



Shelley Coll. 



Shelley Coll. 



Godfrey Lagden, Esq. [P.]. 



Gould Coll. 



W. A. Forbes, Esq. [P.]. 



Ca])ts. BuvtoH & Cameron 



[P.]. 

 Purchased. 



Purchased. 



* The amount of white on the third and fourth pairs of tail-feathers varies 

 in some specimens ; in two apparently fully adult female birds quite half of the 

 tail-feathers are white and the fifth pair are also tipped with white. 

 VOL. xvii. 2 D 



