150 BUCEBOTID^. 



Coloration. Hale. Head, neck, and lower parts rufous, darkest 

 on the abdomen and flanks ; end of middle primaries and terminal 

 half of tail white ; remainder of plumage black, glossed with dark 

 green ; in the lower tail-coverts some chestnut is often mixed 

 with the black. 



Female. Black, except the ends of the middle primaries and the 

 terminal third of the tail, which are white. The young resemble 

 dJidts of the same sex, except in wanting the ridges at the base of 

 the upper mandible, these increase in number with age up to 

 about seven. 



Bill yellow, the grooves chestnut ; iris red ; naked skin round 

 eyes and at base of bill velvety light blue ; naked skin of throat 

 bright scarlet (Jerdon): feet dark brown {Hodgson). 



Length 4 feet ; tail 18 inches ; wing 18'5 ; tarsus 2-5 ; bill 

 from gape 8-5. Females are less : length 42 inches ; tail 16 ; 

 wing 17'5. 



Fig. 43. — Head of A. nepalensis, ^. 



Distribution. The Himalayas of Nepal, Sikhim, and farther east, 

 from 2000 to about 6000 feet ; the hills south of Assam, Karennee, 

 and the Muleyit range in Tenasserim. 



Habits, ^-c. Food, mode of flight, and nidification similar to 

 those of other large Hornbills. This bird has a monosyllabic 

 croak. A full account of the nidification has been given by 

 Mr. Gammie, who twice, both in April and in May, took a single 

 egg from the hollow in a tree in which the female was enclosed in 

 the usual manner. The number of eggs is said to be generally 

 two. One egg measures 2-25 by l"7o, the other 2-12 by 1-57. 



Genus ANORRHINUS, Eeich., 1849. 



Casque small, compressed, sharp-edged, with the upper ridge 

 parallel to the culmen, posteriorly curved downwards in front ; 

 both mandibles serrated on the commissure (serrations indistinct 

 in young individuals) and much worn down in aged birds. Chin 

 and throat naked. Crest well developed, its feathers of ordinary 

 texture. Tail slightly rounded, not white at the end. Sexes 

 alike. 



A single species. 



