38 TREROXID.E. 



Similar to T. nipalensis, but a little larger and also differing in 

 the following points : — 1st, the grey colour of the pileum is much 

 lighter, especially in front, and comes more down on the cheeks at 

 the base of the lower mandible ; 2nd, the green colour of the under- 

 parts is more yellowish ; 3rd, the feathers of the flanks are often 

 tinged with yellow, instead of being pure white ; 4th, the yellow 

 edges ou the wings are broader ; 5th, the naked skin round the 

 eyes is less extended ; 6th, the soft parts are differently coloured : 

 " iris golden orange ; bill greenish white, base dark olive ; feet dull 

 pinkish purple" ( Wallace). Total length 11 inches {Wallace), 

 wing 5-75, tail 3*6, bill 0*7, tarsus 09. 



Male. Back, scapulars, and smaller upper wing-eoverts maroon, 

 under tail-coverts cinnamon. 



Ft male. Ko maroon colour on the back and on the smaller wing- 

 coverts, which are olive-green ; under tail-coverts whitish, varied 

 with green along the middle and at the base. 



Hub. Sumatra, Engano, Bangka, and Southern Borneo ('?). 



a. $ ad. sk. Sumatra. "Wallace Coll. 



6. 0SM0TRER0N. 



Type. 



Dendrophassa, Gloger, Gem. Sand- u. Hilfib. d. 



Naturgesch. p. 3:29 (1842) 0. aromatica (?). 



Osmotreron, lip. Consp. Av. ii. p. 12 (1854); id. 



Compt. Rend, xxxix. p. 874 (1854) O. olax. 



Range. From India and Burmese countries, through the Malay 

 Archipelago as far south-east as Bouru and Timor. 



Key to the Species. 



I. Tail above olive-green or olive-yellow. 

 A. Back of males maroon, of females olive. 

 1. The marc on colour of the back broadly 

 spread. 

 a. No chestnut colour on the head. 



a. Grey colour of the upper part of 

 the heid leaving no distinct green 

 superciliary band ; on each side of 

 the lower neck of the males, just 

 above the shoulder, a brown-orange 

 patch not very distinct. 

 aa. Smaller, wing o - 5 inches: colouring 

 duller; lateral tail-feathers with 

 an ill-defined grey baud across 

 the middle ; female with no or- 

 ange-brown patches on the sides 

 of the lower neck ; under tail- 

 coverts white mingled with green, griseicauda, p. 40. 

 bb. Medium size, wing 6 inches : colour- 



