406 btjckrottd.t;. 



a. Ad. sk. SonaK, Abyssinia (Je/me). T-^veeddale Coll. 



6^ 5 iiuiii- sk. Seuafo, Abyssinia, May {Jesse). Sharpe Coll. 



c. 9 ad. sic. Tiprc, Abyssinia, March. W. T. lUanford, Esq. 



[C.]. 



d. Imm. sk. Abyssinia. Shelley Coll. 



e. Ad. sk. Abyssinia. Hume Coll. 

 /. 2 ad. sk. Shoa, May (Anthwri). Slielley Coll. 



g,h. S 2 ^^- ^^- Ankober, Shoa, Feb. (Harris). India Museum. 



I. Stei'Buni and Abyssinia. 



sacral yertebrae. 



8. Lophoceros pallidirostris. 



Buceros iiallidirostris, lu/i.<cJi u. Ilnrtl. Vuy. Ostafr. p. 871 (1870) ; 



lioccif/e, J. Sc. Lisb. ii. p. 348 (1870). 

 Tockus jiallidirostris, Bocac/p, Orn. Anyola, p. 117 (1881). 

 Lopliocens pallidirostris, IShelley, Ibis, 1888, p. 04. 

 Tockus melanoleucus, 67i«;7;e, ed. LayarcTs B. S. Afr. p. 128 [part.] 



(1884). 

 Buceros (Lopboceros) uasutus, yar. dubia, Dubois, Bull. Mus. Behj. 



iii. p. 213, pi. X. fig-. 2 (1884). 



Adult male. A broad white superciliary stripe exteuding to the 

 nape ; rest of head, feathered parts of throat, neck, chest, and thighs 

 grey, the t^yo latter inclining to brownish, and most of the feathers 

 on the forehead and chest with dark centres ; back, rump, and 

 upper tail-coyerts brown ; wings dark brown ; the wing-coyerts and 

 secondaries edged with white ; inner side of shoulders, breast, and 

 rest of underparts yvhite; tail blackish brown, the centre pair of 

 feathers edged and slightly tipped with white, the outer pairs witli 

 the last inch white : bill and small casque yellowish white. Total 

 length 22 inches, wing 9*7, tail 9, tarsus 1'6. 



Hah. Caconda, Bcnguela, and Lake Tanganyika. 



a. S fich sk. Caconda, Benguela, May {Anchiefd). Shelley Coll. 



b. (S ad. sk. Caconda, Benguela, Dec. [Anchieta). Prof. B. du Bocage 



[P.]. 



9. Lophoceros nasutus. 



Le Calao a bee noir du Seut^gal, Briss. Orn. iy. p. 573 [cJ] (1760) ; 



Dnubent. Fl. Bril. no. 890 [ dl. 

 Le Tock, Bvff. Hist. Nat. Ois. yii. p. 141 [part.] (1780). 

 Black-billed llornbill, lat/i. Gen. Sy7i. i. p. 354 (1781). 

 Le Calao nasic^ue, Zeraill. Hist. I\at. Ois. (VAfr. y. p. 120, pi. 236 



(1806). 

 Buceros nasutus, Linn. Syst. Nat. i. p. 154 (1706) ; Gm. S. N. i. 



p. 361 (1788) ; Lat/i. Ind. Orn. i. p. 145 (1790) ; S/iair, Gen. Zool. 



viii. p. 30 [part.] (1811) ; Vieill. N. Diet. d'Hi.H. Nat. iy. p. 600 



(1816) ; Wayl. Sy.it. Av. Buceros, no. 19 (1827) ; Graj/, Gen. B. 



ii. p. 400 (1847) ; Hartl. Or?i. W.-Afr. p. 164 (1857) ; Schl. Mus. 



Fays-Bas,\. Buceros, p. 13 (1862); Layard, B. S. Afr. p. 227 



(1867); Fimch 8t- Harfl. Yog. Ostafr. -p. 486 (1870); Finsch, Tr. 



Z. >Soe. yii. p. 277 (1870) ; Heuyl. 'Orti. N.O.-Afr. i. pp. 723 & civ 



(1871); Finsch 8,- lieich. J.f. O. 1878, p. 254; Hartl. Abh. nat. 



Ver. Brem. viii. p. Ill (1881) ; Biihm, J.f. 0. 1883, p. 169. 



