400 



BUCEROTIDiE. 



Vieill. N. Diet. ctHist. Nat. iv. p. 593 (1816) ; Vieill. Encr/cl. 



Meth. i. p. 401, pi. 240. fig. 4 (1823) ; Sivains. Zool. III. (l)'iii. 



pi. 178 (1823); Merrem, Ersch u. Gruber, Encycl. xiii. p. 283 



(1824); Wiujl. Syst.Av. Buceros, no. 17 (1827); Less. Traite Orn. 



p. 253 (1831) ; Des 3Iurs, etc. in Lefebvre, Voy. Abyss, p. 127 



(1845-50); Layard, B. S. Afr. p. 225 (1867); id. Ibis, 1869, 



p. 372. 

 Tocciis coronatus, Gurney, Ibis, 1861, p. 133. 

 Lopboceros alboterminatus, Bdttikofer, Notes Leyd. Mus. xi. p. 67 



(1S89). 



Adult male. Ear-covorts dark grey ; rest of the head brownish 

 black ; most of the feathers over the eyes and on the sides of the 

 crest with white ends ; throat, neck, and chest greyish brown ; 

 back, rump, and upper tail-coverts brown ; wing-coverts and 

 scapulars dark brown margined with lighter ; primaries and secon- 

 daries blackish brown, both narrowly margined' on the outer web 

 with pale buff ; breast and rest of underparts, except the sides, 

 which are grey, pure white ; tail black, slightly glossed with dark 

 green ; the middle pair of tail-feathers slightly, and the remainder 

 widely, tipped with white : bill and small casque red, darker along 

 the cutting-edge, and with a narrow yellow band along the base. 

 Total length 20-7 inches, wing lO'l, tail 9, tarsus 1'3. 



Adult female resembles the adult male. Total length 17"3 

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



Tounf/ males and females resemble one another and differ from 

 the adults in having the outer and central pairs of tail-feathers 

 uniform dark brown, slightly margined with pale buff. The casque 

 is only represented by a swelling on the basal half of the upper 

 mandible, and the bill is yellow or orange, 



Jfab. Africa, S. of about 5° N. lat. 



a, b. Ad. et imm, 



sk. 

 c. cS ad. sk. 



Mombasa. 



Duruma, near Mombasa, Dec. 



d, e. c? 5 ad. sk. Kilimanjaro. 



f,g. S2 nr. ad. 



sk. 

 h, i. S 2 ad. sk. 

 it. (S ad. sk. 

 I. Imm. sk. 

 m, n. Imm. sk. 

 o-q. Ad. sk. 

 r. $ ad. sk. 



s. cS ad. sk. 

 t. S ad. sk. 

 u~io. S ? imm.sk. 



x, y. cS ad. sk. 

 z. c? ad. sk. 

 a'. Skull. 



Elimanjaro. 



Pangani River (Kirk). 



Dar-es-Salaam (Kirk). 



Shupanga, Sbire River (Kirk). 



Zambesi. 



Zambesi (Mellar). 



Swaziland, June (T. Buck- 

 ley). 



Pinetown, Sept. ( T. L. Ay res.) 



Eland's Post, July (Ainiore). 



Galungo, Loanda, Aug., Sept. 

 (Sal a). 



Rio Daude, July (Sala). 



Ambaca [Anchieta). 



R. B. Sharpe, Esq. 



[P-]- 

 Dr. J. M. Hilde- 



brandt [C.]. 

 F. J. Jackson, Esq. 



[P.]. 

 H. H. Johnson, Esq. 



[0.]. 

 Shelley Coll. 

 Shelley Coll. 

 Livingstone Exped. 

 Sir John Kirk [P.]. 

 Sharpe Coll. 

 Shelley Coll. 



Shelley Coll. 

 Sharpe Coll. 

 Sharpe Coll. 



Sharpe Coll. 

 Sharpe Coll. 

 Zool. Soc. CoU. 



