Eastern Pieridce. 317 



1. Pontia ntna, Fabricius. 



Papilio nina, Fab. Ent. Syst. III. i. p. 194. Pontia n'lna, Bd. Sp. 

 Gen. p. 431 ; Voll. Mon. Pier. p. 3. 



Hab. — Malacca, Sumatra, Dorneo, Java, Baly, Flores, Timor 

 (Coll. Wall.) ; Philippine Is. (B. M.) ; India, Ceylon (B. M.). 



This species varies but little throughout this extensive range. 

 The specimens from the Philippine Islands are very large. 



2. Pontia Croohera, MacLeay. 



Pontia Crookera, MacLeay, King's Survey, p. 458 ; Bd. Sp. Gen. 



p. 431. 

 Hab. — West Australia. 



3. Pontia niohe, Wallace. 

 Pontia n'lohe, Wall. Proc. Zool. Soc. 186G, p. 357. 

 Hah. — Formosa (Coll. Wall, ex Swinhoe). 

 Near P. nina, but a sufficiently distinct local modification. 



4. Pontia dione, n. sp. 



Much larger than P. nina, discoidal spot similar but larger, 

 apical spot wanting, apical and basal margins somewhat dusky. 

 Beneath with the irrorations browner than in P. nina, and ex- 

 tending more over the upper wings, which have an apical dusky 

 patch. Antennas long, tipped with dusky orange. 



Expense 2 — 2^ inches. 



ifafi.— Macassar (Coll. Wall.). 



5. Pontia medusa, Cramer. 

 Papilio medusa, Cr. 150 F. Pontia medusa, Bd. Sp. Gen. 433. 

 Hab. — Bengal. 



A large and finely coloured species according to Cramer's 

 figure. 



6. Pontia lignea, Vollenhoven. 

 Pontia lignea, Voll. Mon. Pier. p. 4, pi. 2, f. 1 a, 1 b, $ . 

 ? . Above dusky white, costal margin dusky irrorated ; a dis- 

 coidal spot as in P. nina, and a small indistinct one above it within 

 the apex ; hind wings with a narrow dusky margin. Beneath 

 dusky and thickly irrorated, with a greenish tinge on the apex of 



VOL. IV. THIRD SERIES, PART III. — NOVEMBER, 1SG7. Z 



