1878.] on lepidoptera from billiton. 641 



26. Terias hecabe. 



Papilio hecabe, Linn. Syst. Nat. i. p. 763. 

 Terias hecabe, Druce, P. Z. S. 1873, p. 354. 

 A widely ranging species, also found in Borneo. 



Subfam. PapilioninvE. 



27. Papilio antiphates. 



Papilio antiphates, Cr. Pap. Ex. t. 72. f. A, B ; Druce, P. Z. S. 

 1873, p. 357. 



Agrees with Bornean specimens. 



28. Papilio sarpedon. 



Papilio sarpedon, Linn. Syst. Nat. i. p. 747 ; Druce, P. Z. S. 

 1873, p. 559. 



A wide-ranging species, found in Borneo and Malacca. 



29. Papilio eurypylus. 



Papilio eurypylus, Linn. Syst. Nat. i. p. 754 ; Druce, P. Z. S. 

 1873, p. 357. 

 Agrees with Bornean examples. 



30. Papilio pammon. 



Papilio pammon, Linn. Syst. Nat. i. p. 746. 

 Papilio poly tes, L. Druce, P. Z. S. 1873, p. 357. 

 The caudal appendage in Billiton specimens is but slightly deve- 

 loped ; and in this respect they agree best with Javan examples. 



31. Papilio iswara. 



Papilio iswara, White, Eatom. i. p. 280; Doubl. & Hew. Gen. 

 D. Lep. t. 3. f. 1. 



Agrees with a Malaccan specimen. 



32. Papilio memnon. 



Papilio memnon, Linn. Syst. Nat. i. p. 747; Wall. Trans. L. S. 

 xxv. p. 47, pi. 1. figs. 2, 4. 



A female agrees with Javan specimens and with figure 4 of Mr. 

 Wallace's plate, and with Cramer's figure of his P. achates. A 

 second female resembles figure 2 of Mr. Wallace's plate, except that 

 the white band of the secondaries is slightly narrower. This form 

 is represented by Cramer under the name P. agenor. 



Fam. HesperidjE. 



33. Casyapa thrax. 



Papilio thrax, Linn. Syst. Nat. i. p. 794. 

 Casyapa thrax, Druce, P. Z. S. 1873, p. 358. 

 Agrees with Indian examples. 



