BUCEROTID^. 247 



142. Hydrocissa albirostris, Shaw. 



Buceros, apud Shaav — Blyth, Cat. 179 — Hoesf., Cat. 870 — 

 B. malabaricus, Gmel. — Edw. Birds, pi. 281, f. D. — B. leuco- 

 gaster, Blyth, J. A. S. -X. — B. nigralbus, Hodgs. 



The Bengal Pied Hornbill. 



Descr. — Black ; beneath from the breast, and the tips only of the 

 four pairs of lateral tall-feathers, white. The casque is much less 

 compressed than in //. coronala, in fact, bulging, and the black patch 

 upon it is much smaller, appearing only on the extreme tip of the 

 rklge, but spreading downward and backward, over part of the 

 middle of the upper mandible, which latter it never reaches In the 

 last : the cuttinG; edo-es of both mandibles are more or less black 

 in this one- 

 Length 30 inches ; wing 10 ; tail 11 ; tarsus If ; bill, from front 

 to gape, 5 to 6^ inches ; bill and casque 3| inches high ; casque 

 alone 7 inches long ; this protrudes far back over the crown, and 

 narrows anteriorly, ending in a less acute angle, viewed laterally, 

 than in the last. A livid fleshy spot at base of lower mandible. 



This Hornbill takes the place of the last, in Northern India. It 

 is found in the INIidnapore jungles, in Rajmahal and Monghyr, and 

 at the base of the Himalayas ; and it spreads eastward to Assam, 

 Sylhet, and Burmah. 



It is stated to occur in large flocks. 1 saw it in upper Burmah, 

 in small parties of five or six. 



143. Hydrocissa affinis, Hutton. 



Blyth, J. A. S. XVIII.— Blyth, Cat. 178. 



The Dehra-Doon Hornbill. 



Descr. — Precisely colored as in H. alhirosfris, but larofer, beino- 

 equal in size to U. coronata. Length of one 36 inches ; wing 13 ; 

 tail 15 ; bill at gape 7 ; height with casque 4 ; tarsus 2. The black 

 patch at the end of the casque passes down obliquely into the 

 upper edge of the bill, but does not spread further over it ; the 

 edge of the mandibles^ and more especially the under one, black ; 



