366 bucerotid.t;. 



Hume ^' Dav. Sfr. F. vi. p. 100 (1878) ; Hunit', Sfr. F. vii. p. 204 



(1878); Anderson, Zoo/. Exp. W. Yunnan, ii. p. 577 (1878); 



Oates, Sir. F. \ii. p. 46 (1878) ; Skarpe, Ibis, 1879, p. 246 ; Biny- 



ham, Sir. F. viii. p. 462 (1879), ix. p. 158 (1880) ; Oaies, Sir. F. 



X. p. 189 (1882) ; Hm7ie, Sir. F. xi. p. 51 (1888). _ 

 Antln-acoceros albirostris, Oates, B. Brit. Burmah, ii. p. 90 (1883); 



id. Hume's Kesfs cV Fr/r/s Ind. B. iii. p. 72 (1890). 

 Buceros nigralbus, Hodi/s. Icon. ined. in Brit. Miis. Passeres, Ajyp. 



pi. 32 (no. 6GG) ; Grdij, Zool. Misc. p. 85 (1831). 

 Buceros leucopraster, Blyth, J. As. Soc. Beng. x. p. 922 (1841), xii. 



p. 177 (1843). 

 Buceros pica, fh-ay, Gen. B. ii. p. 399 [part.] (1847). 

 Buceros afBois {HiMon), Blyth, J. As. Soc. Benr/. xviii. p. 803 (1849) ; 



id. Cat. Mus. As. Soc. p. 43 (1849); Gratj, Hand-l. B. ii. p. 128, 



sp. 7875 (1870). 

 Hydrocissa affinis, Jerd. B. Ind. i. p. 247 (1862) ; Blyth, Ibis, 1866, 



p. 349 ; Hume, Sir. F. vii. p. 205 (1878). 

 Hydrocissa coronata, Godwin-Austen, J. As. Soc. Beny. xiv. p. 95 



'(1875). 

 Anthracoceros fraterculus, Elliot, Ann. May. N. II. (5) i. p. 85 



(1878) ; id. Man. Bucerot. pi. xiv. [text] (1882). 



Himalaj-an Race {A. affinin). 



Adult male. Head, middle of chin and throat, neck, back, rump, 

 upper tail-coverts, wing-coverts, and upper chest black glossed with 

 dark bluish green ; primary and secondary quills black, with narrow 

 white bases and wide white extremities, except the tirst two pri- 

 maries and last three or four secondaries, which are black at the 

 extremity ; front of shoulders, breast, belly, thighs, and under tail- 

 coverts white; two centre tail-feathers black, tipped with white, 

 lateral feathers with about the last quarter pure white : casque and 

 bill light yellow ; anterior extremity of the former with a large 

 black blotch extending onto the maxilla, posterior extremity black, 

 also base of mandibles and cutting-edges ; naked skin round eye and 

 on gular region " sickly white:" iris reddish brown; legs and feet 

 dark plumbeous (6*. King). Total length 33 inches, wing 12-5, 

 tail 12, tarsus 2-2. 



Adult female similar to the male in plumage. It differs in the 

 coloration of the bill, the black patch on the anterior of the casque 

 extending not only on to the maxilla but beiug continued to its 

 extremity : a reddish-brown patch in front of the black at the base 

 of the lower mandible : " iris reddish brown ; legs and feet plum- 

 beous " (6/. A'»)£/). Total length 28 inches, wing 11-3, tail 11-2, 

 tarsus 2. 



Tounrj differ from the adults only in size and in the smaller size 

 of the casque, which is paler yellow and has much less black about 

 it ; the naked skin on the face is pale pinkish, with a bluish tinge. 



a. S ad. sk. Indian Archipelago. Ilardwicke Beque.st. 



b-r. S ? ad. et Dehra Uhoon, Jan., Feb., Dec. Ilume CoU. 



imm. sk. (G. Kiny). 



s, t. Imm. sk. Mussooree. Hume Coll. 



u-w 6 2 ad. sk. Siwalik, March {Scott). Tweeddale Coll. 



