22 
10. Middle primaries spotted with white on both webs. . . . . . . . A. ELEGANS. 
11. Feathers on the chest white with black shafts. . . i ee A. FLAVIROSTRIS. 
12. Lower mandible dark red, the upper orange-vellow; stse smaller . . . A, SOMALIENSIS. 
13. Wing-coverts with sub-terminal oval white spots; bill red with yellowish- 
whitevéxtyenity 3 5 5. 0 ce ee ee SORGI 
f. Wing-coverts not spotted with white. 
14. Bill ved with yellowish-white extremity.  . Se 2 2 od) ROeACEDESKENTs 
1. Alophius griseus (Latham). Western India, Khan- 
Buceros griseus Latham, Ind. Ornith. Vol. 1, p. 147 (1790). Geisha 
Buceros cineraceus Temminck, P]. Col. Vol. 2, p. 80 (1824). 
Buceros (Tockus) griseus Lesson, Traité d’Ornith. p. 252 (1831). 
Tockus griseus Bonaparte, Gen. Avium, Vol. 1, p. 91 (1850); Elliot, Monogr. Bucerot. 
pl. 54 (1882). 
Rhinoplax griseus Bonaparte, Consp. Volucr. Anisod. p. 3 (1854). 
Tockus gingalensis (part.) Jerdon, Birds Ind. Vol. 1, p. 250 (1862). 
Alophius griseus Dubois, Bull. Mus. Hist. Nat. Belg..Vol. 3, p. 216 (1884). 
2. Alophius gingalensis (Shaw). Ceylon. 
Buceros gingalensis Shaw, Gen. Zool. Vol. 8, p. 37 (1811). 
Buceros gingala Vieillot, Nouv. Dict. Hist. Nat. Vol. 4, p 600 (1816). 
Buceros pyrrhopygus \Wagler, Syst. Avium, Buceros, no. 18 (1827). 
Tockus gingalensits Bonaparte, Gen. Avium, Vol. 1, p. gt (1850); Elliot, Monogr. Bucerot. 
pl. 55 (1882). 
Rhinoplax gingalensts Bonaparte, Consp. Volucr. Anisod. p. 3 (1854). 
Tockus griseus Layard, Proc. Zool. Soc. Lond. p. 204 (1873). 
Alophius griseus var. gingalensis, Dubois, Bull. Mus. Hist. Nat. Belg. p. 216 (1884); Syn. 
Avium, Vol. 1, p. 103 (1899). 
3. Alophius monteiri (Hartlaub). South Africa, Damara- 
Toccus monteiri Hartlaub, Proc. Zool. Soc. Lond. p. 87, pl. 5 (1865); Elliot, Monogr. REIS 
Bucerot. pl. 53 (1882) 
Alophius monteiri Dubois, Bull. Mus. Hist. Nat. Belg. Vol. 3, p. 219 (1884); Syn. Avium, 
Vol. 1, p. 104 (1899). 
Lophoceros monteiyi Shelley, The Ibis, p. 62 (1888). 
4. Alophius camurus (Cassin). Western and central 
Tockus camurus Cassin, Proc. Acad. Nat. Sc. Philad. p. 319 (1857); Elliot, Monogr. ae 
Bucerot. pl. 59 (1882). 
Buceros pulchrivostris Schlegel, Nederl. Tijdschr. Dierk. Vol. 1, p. 74, pl. 4 (1862). 
Tockus pulchrirostris Sharpe, The Ibis, p. 485 (1870). 
Buceros camurus Reichenow, Journ. f. Ornith. p. 18 (1877). 
Alophius camurus Dubois, Bull. Mus. Hist. Nat. Belg. Vol. 3, p. 220 {1884); Syn. Avium, 
Vol. 1, p. 104 (1899). 
Lophoceros camurus Shelley, The Ibis, p. 62 (1888 . 
5. Alophius hemprichi (Ehrenberg). North-eastern Africa, 
PICARIA! 
Buceros (Lophoceros) hemprichit Ehrenberg,Symb. Phys. Avium, fol. aa, foot-note 3 (1828). 
Buceros limbatus Riippell, Faun. Abyss. Vég. p. 5, pl. 2, f. 1 (1835). 
Tockus limbatus Rippell, Syst. Uebers. Vog. N.-O.-Afr. p. 79 (1845). 
Grammicus limbatus Bonaparte, Consp. Volucr. Anisod. p. 3 (1854). 
Lophoceros limbatus Cabanis & Heine, Mus. Heinean. Vol. 2, p. 168 (1860). 
Toccus hemprichi Blanford, Geol. Zool. Abyss. p. 326 (1870); Elliot, Monogr. Bucerot. 
pl. 52 (1882). 
Buceros hemprichi Finsch, Trans. Zool. Soc. Lond, Vol. 8, p. 317 (1870). 
Alophius hemprichti Dubois, Bull. Mus. Hist. Nat. Belg. Vol. 3, p. 215 (1884); Syn. 
Avium, Vol. 1, p. 103 1899). 
Lophoceros hempricht Shelley, The Ibis, p. 60 (1888). 
