178 J A VA. [cHAr. vii. 



proached and captured. It proved to be the rare and 

 curious Charaxes kadenii, remarkable for having on each 

 hind wing two curved tails like a pair of callipers. It was 



CALLIPER BUTTERFLY. 



the only specimen I ever saw, and is still the only repre- 

 sentative of its kind in English collections. > 

 In the east of Java I had suffered from the intense heat 

 and drought of the dry season, which had been very 

 inimical to insect life. Here I had got into the other 



