Neiv Butterflies and a Moth from Biak. 187 



and inner marginal streaks confluent, and discal patches only 

 separated from cell by the veins. 



Length of forewing : <^ 40 mm., $ 42 mm. 



A series. 



EUPLOEINAE. 



15. Euploea tripunctata, sp. nov. 

 (Plate XXVI, fig. 1, c^; Plate XXV, fig. 3, ?.) 



cJ. Upperside deep purplish-brown shot with blue in a side-light. 

 A thin stripe of androconia in the lower median area of forewing. 

 Hindwing with 3 bluish-white apical spots, the one in cellule 4 a 

 mere dot. 



Underside paler than above. Forewing with a blue gloss round 

 the cell and partly invading it. Some bluish-white spots, — one 

 at end of cell, a curved series of 5 beyond cell in 2-6, the one in 

 5 being a dot, a dot near costa in 10, a dot in 6 near margin. Inner 

 margin grey. Two thin greyish though somewhat obscured stripes 

 which converge basally in lower median area. Hindwing with a 

 spot at end of cell, 6 round the cell in lc-6, the first being a short 

 streak, 3 apical white spots, a few marginal dots. 



$. Upperside coffee-brown, paler at the margins. Forewing 

 shot with blue over the disc and hindwing faintly so. Hindwing 

 with 3 white apical sj)ots. 



Underside paler than in <J and with similar markings. The 

 marginal dots on hindwing extend from 16-6, in pairs in each cellule 

 except in 16. 



Length of forewing : cJ 39 mm., $ 42 mm. 



A series. 



This species is nearest lacon, Sm., but has a longer sexual 

 stripe and is much darker. It shows no variation above, 

 but lacon varies in amount of blue gloss, in the spots being 

 present or absent, and the sexual stripe may be quite 

 wanting. 



16. Euploea incerta, sp. nov. 



(Plate XXV, fig. 4.) 



Allied to obscura, Pag. c^. Upperside dark coffee-brown, fore- 

 wing a little paler at apex and outer margin, hindwing with only 

 the disc darker than the rest. The pale costal area of hindwing 

 reaches vein 6. 



Underside paler than upperside. Forewing with two broad 



