452 TIJIELIID^, 



crown, lores, sides of face, feathers below aud round the eye, cheeks, 

 ear-coverts, and throat deeper black, the ear-coverts paling off into 

 blackish slate-colour like the sides of the neck ; wing-coverts like 

 the back, the quills externally blackish brown ; tail-feathers black ; 

 " iris dark brown ; bill light red ; legs and feet green " {H. 0. 

 Forbes). Total length 10 inches, culmen 1-1, wing 4-8, tail 4-8, 

 tarsus 1'5. 



Hah. Sumatra. 



o. Ad. sk. Sumatra {Leyden Museum). Gould Collection. 



b, c. Ad sk. Sumatra. 



d. Ad. St. Sumatra. Purchased. 



27. RHINOCICHLA. 

 Garrulax, pt., auct. recent. 

 Range. Sumatra and Northern Borneo. 



Key to tlie Species. 



a. Ear-coverts dark grey, as also the cbiu ; no light 



streaks on the throat and chest mitrata, p. 452. 



b. Ear-coverts bright chestnut like the cheeks and 



chin ; throat and qhest ochraceous with whitish 



shaft-streaks treacheri, p. 453. 



1. RMnocichla mitrata. 



TimaUa mitrata, S. Mull. Nat. Tijdschr. 1835, p. 345, pi. 5. fig. 3 ; 



Gray, Gen. B. iii. Afp. p. 10 (1849). 

 Garrulax mitratus, Gray, Gen. B. i. p. 225 (1846). 

 Garndax vittatus, de Filippi, Mus. Medial, p. 31 (1847); Salvad. 



Atti R. Accad. Sci. Torino, 1861, p. 270. 

 lanthocincla mitrata, £p. Consp. i. p. 371 (1850) ; Sharpe, P. Z. S. 



1879, p. 248. 



Adult. General colour above bluish slate-colour, the wing-coverts 

 like the back ; quills blackish brown, externally bluish slate-colour, 

 the innermost secondaries entirely of this colour ; the primaries 

 externally white towards the base, forming a conspicuous wing- 

 stripe ; upper tail-coverts slightly shaded with olive ; tail-feathers 

 blackish brown, more or less ashy towards the base ; crown of head 

 chestnut; the nape, sides of neck, ear-covcrta, and cheeks bluish 

 slate-colour ; base of forehead ornamented with some pointed hoary- 

 grey feathers ; lores, nasal plumes, feathers in front of the eye and 

 below the fore part of the latter, as well as a superciliary streak, 

 darker chestnut, the feathers tipped with black ; a spot at base of 

 lower mandible and another on the chin black ; remainder of under 

 surface of body ashy grey, including the flanks ; centre of abdomen, 

 vent, and under tail-coverts orange-rufous ; thighs grey ; under 

 wing-coverts and axillaries like the breast ; quiUs dull brown, ashy 



