FROM WESTERN SUMATRA. 33 



p. 191 (1879); — Elliot, Mon. Bucer. pi. 4; — Nicholson, 

 Ibis 1883, p. 240. 



30 specimens (24 (ƒ, 6 9). 



Iris and color of bill and feet in adult male, see Ni- 

 cholson (1. c). 



Adult female: » Iris whitish yellow , other parts like in 

 the male, but without the narrow black stripe, which in the 

 male separates the upper portion of the horn from the lower." 



Young: » Iris ashy gray. " 



Native name: •>-> Angang kalongT * 



55. Anthracoceros convex us, 



Buceros albirostris, Horsf. (nee Shaw) t. c. p. 175. 

 Buceros malabaricus, Raffl. (nee Gm.) t. c. p. 291. 

 Buceros convexiis,Tenim. P. C. II. 530 (Q) (1832); — Schl. Mns. P.-B., 



Buceros, p. 7 (18(j2); — Snelleman, Sum. Exp. Vogels, p. 33 



(1884). 

 Hydrocissa cotivexa , Salvad. Ucc. di Borneo, p. 80 (1874). 

 Hydrocissa albirostris, Nicholson, Ibis 1882, p. 56. 

 Anthracoceros convexus, Elliot, Mon. Bueer. pi. 12; — Nicholson, 



Ibis 1883, p. 240. 



2 specimens (QQ). 

 » Iris brownish red , bill whitish yellow , marked with 

 black , bare skin white , tinged with blue , between eye and 

 bill pale blue. Native name: Angang tiranga.^^ 



56. Anthracoceros malay anus. 



Buceros malayanus, Raffl. t.c. p. 292; — Temm. P. C.II. text (1832); 

 — Mull. & Schl. Verh. Zool. Aves, pp. 23, 25, 29; — Schl. 

 Mus. P.-B., Buceros, p. 7 (1862). 



Buceros anthracinus, Temm. P. C. II. 529 (1832). 



Hydrocissa malay ana, Salvad. Ucc. di Borneo, p. 83 (1874); — Ni- 

 cholson, Ibis 1882, p. 56. 



Anthracoceros malayanus, Elliot, Mon. Bucer. pi. 15; — Ramsay, 

 P. Z. S. 1880, p. 14. 



1 specimen (9). 

 »Iris dark rusty, bare skin flesh-color, bill and feet 

 black. Native name: ?" 



JNotes from the Leyden IMuseum , Vol. IX. 



