467 Dr. A. G. Butler on Pierine Butterflies. 



32. Tachyris cardena. 



Pieris cardena, Hewitson, Exot. Butt. ii.. Pier. pi. iii. figs. 17. 18 

 (1861). 



Borneo, Sumatra, Malacca. 13 < , 1 ? . B. M. 



The examples from Malacca may have to be separated, the 

 yellow on the under surface of the secondaries being replaced 

 by a much more restricted abdominal patch of orange. 



33. Tachyris hagar. 



c?. Pieris hagar, Vollenhoven, MOD. Pier. p. 38, pi. iv. fig. 6 (1865). 

 Sumatra. 



I think it quite likely that this is only a dry-season form 

 of the preceding species. 



34. Tachyris Hombronii. 



Pieris Hombronii, Lucas, Rev. et Mag. de Zool. 1852, p. 325 ; $ , Vol- 

 lenhoven, Mon. Pier. p. 5, pi. ii. fig. 3 (1865). 



Celebes. 3^,1?. B. M. 



This curious and handsome species leads pleasantly from 

 the present group towards Prioneris, of which it has the 

 general form and aspect, though without the serrated costa. 



