1 66 Lloyd's natural ttistory. 



pupre are armed with a row of strong spines on the ventral 

 surface. 



This is one of the most extensive and characteristic genera 

 among those inhabiting the Indo- and Austro- Malayan Regions, 

 to which it is exclusively confined. Notwithstanding its close 

 structural affinity to Fereute, there is little outward resemblance 

 between the genera ; for Delias^ notwithstanding the many 

 forms which it assumes, has always the unmistakable appear- 

 ance of a true Pierid. Most of the species are black above, 

 varied with bluish-grey, and often marked with red or yellow 

 at the base or on the hind-wings beneath ; or they are white, 

 more or less bordered with black, and with the hind-wings 

 bordered beneath with a row of red, orange, or yellow spots, 

 or banded with red. They have a weaker flight than would be 

 supposed from their appearance, and are easily captured. 



I will first discuss the species which I have figured to illustrate 

 the genus, and will then proceed to notice some of the more 

 interesting forms which are not figured in the present work. 



DELIAS BELISAMA. 



{Plate LVII. Fig. i.) 



Papiliohelisama, Cramer, Pap.Exot. iii. pi. 2 5 8, figs. A-D(i779). 



Pieris beltsama, Godart, Enc. Meth. ix. p. 147, no. 104 (1819); 



Boisduval, Spec. Gen. Lepid. i. p. 464 (1836). 



This species, which is common in Java and Sumatra, 



measures about two inches and a half across the wings. The 



male is yellowish-white above, with the costa and apex of the 



fore-wings, and the hind-margin of the hind-wings rather broadly 



black. The female is ochreous-yellow, with very broad black 



borders. The under side of the fore-wings is black, with a 



whitish streak at the end of the cell, and a row of four or f.ve 



white or yellow spots towards the tip. The hind-wings are 



orange-yellow beneath, with a red streak, bifid at the end, at 



