304 New Forms of the Genus Delias (Pieridae) 



2. Delias subviridis sp. nov. 



A very distinct form, bearing a curious likeness to echidna Hew., on 

 the hind wing below. It is probably related to agostina Hew. 



3 . Upperside white. Fore wing with black margin dentate on the 

 veins, reaching to the base of vein 7 and narrowing to vein 3. Hind 

 wing without any border. 



Underside of fore wing black, greenish at the base, inner margin 

 white, mixed with black in lb and lc, and more so in the base of 

 cellule 2 and in the cell. Submarginal spots of citron-yellow (xvi) 

 divided by the veins and distally pointed between the veins ; these spots 

 large and narrowing to the inner margin, the one in 3 outwardly 

 rounded, the last two close to margin. Hind wing olive-yellow (xxx), 

 costal area citron-yellow. A thin black submarginal line, parallel to 

 margin and not distinct above vein 5 ; the veins black between this 

 line and the margin, with small black spots on their ends. The mar- 

 ginal interspace anteriorly yellow. 



? . Upperside smoky greenish-white produced by a thin layer of 

 yellowish-white scales on a black ground. Fore wing with black 

 margin more strongly dentate than in the 3 , and the veins more 

 heavily black distally than in the 3 . A dark postdiscal shade occupy- 

 ing the same position as the black band in agostina 3 . Hind wing 

 with a marginal dark shade. Basal half of wing darker and merging 

 into the distal half. 



Underside as in the 3 . Hind wing with the yellow costal area only 

 slightly indicated. 



Length of fore wing: 3 29 mm., ? 31 mm. 



Central Ceram : Manusela, 3,000 feet, October to December, a small 

 series of both sexes. 



3. Delias vidua sp. nov. 



At the time of writing the 3 of this insect is unknown. The 2 

 presents a curious resemblance to that sex of isse echo Wall., but as this 

 is the Buru race of isse we are probably dealing with quite a distinct 

 form. 



? . Underside of fore wing with white area more extended than in 

 echo, reaching the end of cell, and curving outwards by the origin of vein 4 

 to the tornus. Hind wing with white basal half reaching beyond the cell. 



Underside of fore wing with sharply-defined yellowish-white area as 

 above. Five pale yellow submarginal dots, those in 2 and 4 farther 

 from the margin than in echo. Hind wing with basal yellow area not 



