293 
the District of Lampong, S.E. Sumatra. 
Buceros niger 3 Vieillot, N. Diet. iv. p. 592 (1816), ex Le 
Vaill. t. 20, 21. 
Buceros annulatus, Dumont, Diet. Sc. Nat. vi. p.210 (1817), 
ex Le Vaill. t. 20, 21. 
Buceros pusaran, Raffles, t. c. p. 293, juv., “ Sumatra ” 
(1821). 
Buceros annulatus , Drapiez, Diet. Class. d'Hist. Nat. iii. 
p. 32 (1828), ex Le vaill. t. 20, 21. 
Buceros rujicollis, Vieill. apud Blyth, J. A. S. B. xii. p. 176 
(1843), nee Vieill. 
Bucerospucoran, Raffles, Blyth, J. A. S. B. 1843, p. 990. 
Buceros plicatus, Lath, apud Sundev. Om Le Vaill. Ois. 
d'Afr. p. 50 (1857), nee Lath. 
Calao plicatus (Lath.), Bp. Consp. i. p. 90 (1854), nee Lath. 
Rhyticeros plicatus (Lath.), Horsf. & Moore, Cat. E.I. C. 
Mus. ii. p. 598 (1856-58), nee Lath.; Moore, P. Z. S. 1859, 
p. 451. 
Rhytidoceros obscurus (Gm.), Salvad. Ucc. Born. p. 85, 
“ Sarawak” (1874), nee Gm. 
An adult, seemingly an aged male, is in Mr. Buxton^s 
Lampong collection. That gentleman, in his notes, describes 
the naked gular skin as being yellow, “with a black bar and 
greenish tinged This bar is evident on the dried skin. Dr. 
Cantor has described the gular pouch of the Malaccan male as 
being “richgamboge-yellow, with two transverse black bars” 
(Horsf. & Moore, l. c. *), that of the female as “ dirty azure, 
with two transverse black bars,” of the young male as “ yellow, 
with the transverse black bars indistinct.” In a Malaccan 
example of an adult male I find traces of only one black bar. 
Schlegel (Mus. P.-Bas. Buceros , p. 2) states that the Javan 
bird has an oblique blue bar across the throat of the male, 
but does not mention any bar on that of the female. 
The title of this Hornbill has been by most ornithologists, 
commencing with Latham, confounded with that of the strictly 
and only Papuan member of this family, Buceros ruficollis , 
Vieill. The first notice of the Papuan species occurs in Bon- 
* In his later account (/. c .) Mr. Moore omits all mention of the two 
transverse black bars. 
SER. IV.-VOL. I, 
X 
