33 PAPILIONID.E. PIERIN.'E. — DELIAS. 



XXX.— DELIAS AROiE. i. Figs. 4, 5. 



rirrif: Arocr, Eibbe, " Insecten Borse," XYIL, p. 346. 



Exp. If inches. 



jVdlc. Upperside. Anterior wings white, the costa and apical third 

 black, the inner edge of the black area undulated. Posterior wings white, 

 with the outer margin narrowly black interrupted between the median 

 nervules. 



Underside. Anterior wings white, with the base basal half of the cell 

 costa and apical third greyish-black; in the black area towards the apex is 

 an irregular row of pale yellow spots, the two spots nearest the apex 

 being situate the farthest from the outer margin, the others gradually 

 diminishing in size and becoming obsolete towards the outer angle. 

 Posterior wings pale yellow, with the basal third greyish-black, the outer edge 

 of the dark area very irregular, costa at the base yellow, a yellow spot 

 above the subcostal nervure, another below it in the cell, which it nearly 

 divides, and a third in the interspace above the sub-median nervure near the 

 l)ase ; the outer third is greyish-black, with its inner edge deeply indented on 

 the veins by the yellow ground colour of the central part of the wings ; a 

 marginal row of yellow spots between the veins which are subconical with 

 the apices on the outer margin. 



Hab. Aroa Piiver, British New Guinea. 



In the Collectiou of the Hon. Walter Rothschild. 



Nearest to D. GerahUna Grose-Smith, and the following species. 



XXXI.— DELIAS WEISKEI. i. Figs. C, 7. ?. Fig. 8. 



Delias JVcislri, Ribbe, " Insecten BOrse," XVII., p. 329. 



Exp. 2 inches. 



3[<tl('. Upperside. Both wings white, anterior wings with a blackish- 

 grey apical area less extended than in I). Aroa, and not quite reaching to the 

 outer angle. 



Underside. Anterior wings with the apical area, the costa, the upper part 

 of the cell and the disco-cellular nervules glossy grey. 



Posterior wings pale yellow, the basal part of the cell and a space alcove 

 and below it very pale grey, the grey area in the cell being indented by the 



