100 Mr. W. C. Hewitson on Eastern Pieridce. 



Society (see Proceedings, 1866, p. xxxv), and referred 

 to the undescribed species allied to thestyUs, but I was 

 unwilling to intrude upon Mr, Wallace's work. 



The synonymy of the two species will be as follows: — 

 Peioneris thestylis. Pkioneris Watsonii. 



(J . Pieris thestylis, Dou- 



bleday. 

 9 . Pieris seta, Moore. 



1^ . Prioneris seta, ^ , 



Wallace. 

 ? . Prioneris seta, ? , 



2nd form, Wallace. 



I may add that the male of P. Watsonii is readily known 

 from thestylis by wanting the broad macular border on 

 both sides of the posterior wing, and by the much richer 

 and more beautiful colour of the underside of that wing, 

 which in thestylis is pure yellow, but in Watsonii is orange. 

 This species is so interesting that I shall figure it in 

 "Exotic Butterflies.'' 



Prioneris clemanthe, Doubleday (p. 385) . 

 Prioneris berenice, Lucas (p. 386). 



I have seen P. herenice, it is the same as P. clemanthe. 



Prioneris cornelia, Vollenhoven (p. 386) . 



A specimen in my collection is much more richly 

 coloured than Yollenhoven's figure. The underside has 

 the upper-wing suffused with black, except near the inner 

 margin, and the white spots almost obliterated, and the 

 under- wing of a brilliant deep yellow. 



