449 



Temminck, Text de PI. Col. ; Blytli, J. A. S, Beng. xvi. p. 995 ; 

 xviii. p. 803 ; Catal. B. Mus. A, S. Beng. p. 43. 



Hydrocissa malayana, Bonap. C. G. Av. p. 90 ; Moore, Catal. 

 Birds Mus. E. I. C. ii. p. 592. 



Buceros anthracimis, Temm. Text, de PI. Col. 529. 



Buceros bicolor, Eyton, P. Z. S. 1839, p. 104; Blyth, J. A. S. 

 Beng. xii. p. 995. 



Buceros elliotti, Hay, Madras Journ. xiii. pt. 2. p. 152. 



Quay Quay, Malays (Eyton). 



Mattee See-Cawan, Malays (Cantor). 



Two female specimens from Province Wellesley, Malacca. 



In the presumed immature male the plumage is wholly glossy- 

 black, excepting a superciliary coronal circle and tips of the four 

 outer tail-feathers, which are white ; the bill and casque are spotless 

 yellowish-white, excepting the base of the former and hindmost part 

 of the latter, which are black ; the casque sloping gradually in front 

 to the curvature of the bill. Length of wing \'d\ inches ; of tail 12^ 

 inches, its outer feather 3 inches less ; bill from gape 4| inches, from 

 hindmost part of casque to point of bill, in a straight line, G inches, 

 height from chin to top of casque 3 inches. 



Presumed adult female has the superciliary coronal circle repre- 

 sented by obscure silvery-greyish. Length of wing 13^ inches; of 

 tail 16 inches; outermost feather 4 inches less ; bill from gape 5} 

 to 6 inches ; length of casque 5 to 5f inches ; height from chin to 

 top of casque 3 to 3^ inches. 



The casque in this species is allied in shape to that of Jrl. albi- 

 rostris and H. convexa, and is of a totally different form to that of 

 H. nigrirostris. 



The female, according to Dr. Cantor's notes, has the " Iris greyish- 

 brown. Bill yellowish-white or buff. Naked space round the eyes 

 livid. Feet black." 



132. Hydrocissa nigrirostris. 



Buceros nigrirostris, Blyth, J. A. S. Beng. xvi. p. 995 (184 7); 

 xviii. p. 803 ; Catal. B. Mus. A. S. Beng. p. 44. 



Hydrocissa nigrirostris, Moore, Catal. Birds Mus. E. I. C. ii. 

 p. 593. 



Buceros malayanus, apud Lord A. Hay, Madras Jo^rn. xiii. pt. 2. 

 p. 151. 



Quay Quay, Malays (Cantor). 



Male and female obtained at Malacca. 



Plumage in the presumed male glossy-greenish black, including 

 the chin and throat, which, and the underparts, are less glossy ; head 

 adorned with a broad yellowish-white superciliary coronal circle ; 

 tips of the four outer tail-feathers yellowish-white ; space round the 

 eyes and basal angle of lower mandible naked, and in the dry speci- 

 men yellowish. Presumed female as in male, excepting that the 

 superciliary circle is represented by obscure silvery-greyish. Bill 

 and casque blackish, " and in the young," says Mr. Blyth, " white. 



No. 412. — Proceedings of the Zoological Society. 



