“I 
Dee, 1915. MISCELLANEOUS NOTES. 25 
number, 15 to 18 x 10 to 11 mm, in size. The first young one 
appeared on Aug. 20th, and measured from snout to vent 26 mm., tail 
48 mm. in length. They had the usual drab colours of their parents. 
The colour changes in these specimens, I found, were not brought 
about by sexual excitement only. Fear would produce exactly the same 
effect. This could be demonstrated by putting a snake into their cage. 
Their attitude then was that of being fascinated and unable to escape. 
They invariably faced the snake, bowing to it and nodding their heads 
exactly as when courting. The crest was strongly erected, the gular 
pouch fully distended, and the colours would gradually become more 
vivid until they were almost as intense as during sexual excitement. 
Calotes mystaceus is widely distributed throughout Siam, its 
handsome colouring usually attracting attention wherever it is found. 
It has been seen as far South as Huy Hin, but below that Latitude 
has not yet been recorded. It is not found in Bangkok, or in the 
country immediately surrounding, but away from the great plain, its 
haunts and modes of life are similar to those of C. versicolor (the com- 
mon Bangkok ‘‘ chameleon”), to which, when “ off colour,” it bears a 
close resemblance. 
MALCOLM SMITH. 
