148 TIMALIID.E. 



nest has been heard joining in the chorus of a number engaged in 

 the cackling and clambering round about her. 



(129) Garrulax leucolophus belangeri. 

 The Burmese White-crested Laughing-Thrush, 



Garrulax belangeri Less., Traite cUOin., p. 648 (1831); Blanf. k 

 Gates, i, p. 79. 



Vernacular names. Wa-i/oun-hnet, W(ui-oung-hnet-goung hyu 

 (Burmese). 



Description. Differs from the preceding in having the white of 

 the breast running into the abdomen instead of being sharply 

 defined by the rufous colour. The colour of the upper parts is a 

 light ferruginous- rather than au olive-brown. 



Colours of soft parts as in leucolophus. 



Measurements. A rather smaller bird than the last, with a wing 

 of about 1*25 to 130 mm. 



Distribution. Yunnan, North and South Shan States, Annam, 

 Lower Chin and Ivachin Hills, Pegu and Tenasserim. 



Nidification. Similar to that of the last bird, twelve eggs 

 averaging 28-3 X 22-7 mm. 



Habits differ in no way from those of the last or the next bird_ 



(130) Garrulax leucolophus diardi. 



The Siamese White-crested Laughixg-Thrush. 



Tardus diardi Less., Traite d'Orii., p. 408 ri831) (Slam). 

 Garrulax diardi. Blanf. & Gates, i, p. 79. 



Vernacular names. None recorded. 



Description. Differs from the other two races by the grey of 

 the crest merging into the rufous back instead of contrasting 

 therewith. The whole of the abdomen is white. 



Colours of soft parts as in the other races. 



Measurements. The largest of the three races with a wing 

 between 135 and 140 mm. 



Distribution. Extreme South Yunnan, Siam, Cambodia, Annam, 

 Cochin China, rarely extending into South-East Tenasserim, and 

 tlien in a somewhat intermediate form approaching behnu/eri. 

 The specimens in the British Museum from the Shan States and 

 Annam labelled " diardi " should all be referred to the last I'ace, 

 belanr/eri. 



Nidification. Similar to that of the other races. Twelve eggs 

 average 27"4 x 22-4 mm., but a larger series would probably 

 average bigger. 



Habits. Like tliose of the other races but this form appeai-s to 

 be fuuiul well into the plains. 



