366 PYCNONOTJDjB. 



C, t. Jienrici is intermediate in size but yellower on the under 

 parts. 



Colours of soft parts. Iris red ; bill bluish grey, darker on tip 

 <ind culmen ; 'legs fleshy-grey. 



Measurements. The largest of all the forms of White-throated 

 Bulbuls, with a wing 114 to 119 mm. 



Distribution. Yuunan and N.E. Shan States. Siam birds seem 

 referable to C. t. Jienrici, a smaller form in the South from Annam, 

 Cochin China etc. Oustalet's larger birds from Yunnan should 

 probably all be yrandis. 



Nidiflcation and Habits not recorded. 



Genus TRICHOLESTES Salvador!, 1874. 



The genus Tricholestes is remarkable for the numerous long 

 hairs which spring from the back ; these hairs lie close to the 

 feathers and are not distinctly visible until they are lifted up. 



In Tricholestes the bill is very strong for the size of the bird. 

 The culmen is straight for half its length and the tip of the upper 

 mandible is strongly tipped and notched. The frontal and rictal 

 bristles are long. The head is not crested. The wing is blunt, 

 the tail slightly rounded and the feet are exceedingly small and 

 weak. 



Fig. 72. Head and back of T. c. criniger. 



(3^4) Tricholestes criniger criniger. 

 THE HAIBT-BACKED BULBUL. 



Brachypodiu* (?) criniger Blyth, J.A.S.B., xiv, p. 577 (1845) 



(Malacca). 

 Tricholestes criniger. Blanf. & Gates, i, p. 258. 



Vernacular names. None recorded. 



Description. Forehead and crown olive-brown ; hind neck, 

 back and rump dull olive-green; wing-coverts browner; quills 



