492 BUCEROTID^E. 



and top of the casque and the sides of both upper and lower mandibles as fa? 

 as the casque extends are deep crimson ; the truncated front of the casque and 

 the whole of the upper mandible behind the casque are a bright orange yellow ;. 

 * * * irides dark litharge red; legs and feet dirty orange brown) ; skia 

 of eyelids the same dirty red as the other bare portions. (Davi&on.) 



Length. Male To end of elongated tail feathers 43*5 inches ; tail to end 

 of lateral feathers 18 inches; wing 19-25 ; tarsus 3 ; height of upper mandible 

 and casque 3*5. (Davtson.) 



Hab. Tenasserim in the extreme south at Bankasoon. Extends down the 

 Malay Peninsula and occurs in Sumatra and Borneo. According to Davison. 

 they are shy and confine themselves to the evergreen forests, where they 

 frequent the highest trees. 



1132. Rhinoplax griseUS, Lath., Ind. Orn. pi. Tockus ginga- 

 lensis, Shaw, apud. Jerd., B. Ind. i. p. 250, No. 145 ; id., Suppl. Vol. i , No. 

 145 ; Elliot, Mon. Bucer pL ; Hume, Sir. F. iv, p. 33c> The JUNGLE GREY 

 HORNBILL. 



Head above and back dark cinerous brown* with a cast of bluish grey ; greater 

 coverts, primaries and secondaries all narrowly edged with whitish and the 

 primaries broadly so, and an oblique white line on the external edge ; a pale 

 line over the eyes, extending along the sides of the head ;. two central tail 

 feathers dusky bluish grey, the rest dusky blackish grey, broadly tipped with 

 white, except the pair next the centrals ; beneath light dusky grey, the feathers 

 centred paler ; rufescent on the lower abdomen, outer thigh feathers and under 

 tail coverts. Bill dingy deep yellow ; irides red brown; feet dark grey. (Jerd.) 



Length. 22 inches ; tail &'5 ; wing 8-25 ; bill straight from- gape 4'25.. 



Hab. Malabar forests and Travaneore. Like its congeners lives on fruit of 

 various kinds. Rhinoplax gingalensis is now known to occur in Ceylon 

 and does not extend to Southern India. 



Gen. OcycerOS, Hume* 

 Bill with a compressed sharp pointed casque. 

 1133. Ocyceros birostris (Scop.), Jerd., B. Ind. \. p. 248, No-. 



144; Hume, Str. F. iii. p. 331. Buceros ginginianus, Lath, apud Jerd., B. 

 Ind. i. p. 248. (Synon.) Buceros griseus,. Lath. apud. Bonap. The COMMON 

 GREY HORNBILL. 



Piumage grey, paler below and albescent from, the breast; a dark 

 cinereous streak over the eye and ear coverts ; primaries and secondaries 

 dusky black, the secondaries margined with grey and all tipped white ; first 

 three primaries margined paler externally, and with an oblique white streak 

 about the middle ; tail subterminally black and tipped with white ; bill and 



