COLIINJE. 99 



IXIAS PTRENE. 

 Plate 579, figs. 1, la, lb, ^ ? (Wet-season Brood), Ic, Id, ^ ? (Dry-season Brood), le. If, ly, S ? 



(Extreme Dry-season Brood). 

 Papilio Pyrene, LinniBus, Mus. Ulr. p. 24 (1764). Cramer, Pap. Exot. ii. pi. 1-2.3, figs. A, B (1779). 



Aurivillius, Kongl. Svenska Vetens.-Akad. Handl. 1882, p. 54. 

 Thesias Pyrene, Boisduval, Sp. Gen. p. 593 (1836). Wallace, Trans. Ent. Soe. 1867, p. 394. 

 Mas Pyrene, Butler, Proc. Zool. Soc. 1871, p. 253. Doherty, Journ. As. Soc. Bengal, 1885, p. 1:^6. 



Watsou (part), Journ. Bo. Nat. Hist. Soc. 1897, p. 669. de Niceville, Journ. Bo. Nat. Hist. 



Soc. 1898, p. 152, pi. AA, figs. 29, 30. Fruhstorfer, Iris, 1902, p. 205. Bingham (part). Fauna 



of Brit. India, Butt. ii. p. 193 (1907). 

 Papillo Eaqipe, Drury, 111. Exot. Ent. Ins. i. pi. 5, fig. 2, $ (1773). 

 Papilio Mexia, Fabricius, Syst. Ent. p. 476 (1775). 

 Papilio Piriihorus, Fabricius, i.e. p. 483, ? (1775). 

 Papilio Sesia, Fabricius (part), Gen. Ins. p. 257 (1777). 

 Papilio Mnippe, Cramer, Pap. Exot. ii. pi. 105, figs. C, D (1779). 

 Ixias Anexihia, Hubner, Verz. bek. Schmett, p. 95 (1816). 

 Ixias Familiaris, Butler, Trans. Ent. Soc. 1874, p. 432. 

 Ixias TonMniana, Fruhstorfer, Iris, 1902, p. 297, Soc. Ent. 1902, p. 42. 



Wet-season Brood (Plate 579, figs. 1, la, lb, $ ?). 



Male. Upperside, ground colour sulphur-yellow. Forewing with the base of 

 costa and transverse anterior obliquely black and subapically crossed by a broad 

 orange-red fascia traversed by black veins, outer edge of the fascia being scalloped 

 and its inner edge more or less brokenly and broadly occupying the end of the cell. 

 Hindwing with a broad black outer marginal band. Underside yellow. Forewing 

 with the basal half white. Both wings with the yellow area sparsely flecked with 

 delicate indistinctly defined grey strigje, these latter being more apparent margiuall}- ; 

 a more or less defined small blackish discocellular mark ; also in the forewing is a small 

 slightly-indicated blackish spot at the posterior angle. 



Female. Black apically, and traversed obliquely-outward by a bi'oad white 

 irregular-shaped sub-apical fascia ; the basal area greyish-black, decreasing more or less 

 to greyish-white along middle of the posterior margin. Hindwing w-ith a broad 

 greyish-black outer marginal baud, which is broader than in male. Underside similar 

 to the male, but of a darker yellow colour. Forewing with an elongated broad 

 irregular greyish-black oblique patch extending from below the cell to posterior 

 angle. 



Expanse, J* ? 2| to 3 inches. 



Dry-season Brood (Plate 579, figs. Ic, ?, Id $.) 

 Male. Upperside similar to Wet form. Hindwing with the marginal band some- 

 what narrower. Underside similar to Wet form ; the discocellular spot more distinct. 

 Hindwing also with a transverse discal series of decreasing ocellate spots. 



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