On new Delias and Oniitlioptera/wwi New Guinea. 59 



JI. — Four neio TioW^i?, and a new 0\'\\\(\\o\)iQ\?i from the Angi 

 Lakes, Arfak Mountains, North New Guinea, coll. Missrs. 

 Pratt ^ Sons. By J. J. JoiCET, F.L.S., and A. Noakes, 

 F.E.S. 



[Plates IV.-VI.J 



Delias nigropunctata , Joicey & Noakes. (PI. IV.) 



Foie wing : ground-colour vvliite, with black apex reaching 

 to cell, and nanow on the costa to thorax. Posterior wings : 

 black border shading to black dusting to anal angle ; very 

 similar to heroni, Ken rick. 



Fore wing underside as above, with five yellow spots from 

 apex to vein 5. 



Posterior wing underside : ground-colour blackish, fringed 

 white, six deep black marginal spots, double black patch in 

 cell, and three from the cell to the anal angle, yellow spot on 

 a white ground at the base. 



Two (^ (J in the Joicey Coll. 



Delias fulginosus, ab. 2 ochraceuSj Joicey & Noakes. q d o 

 (PI. IV.) 

 Fore wings : ground-colour yellow dusted with black, 

 apex black with five yellow spots. Posterior wings light 

 yellow, darker near the base ; submarginal band blackish with 

 bright yellow streaks intercepting. Underside similar to 

 type, htnricki, which has black fore wings, whereas " ochra- 

 ceous" ditFers by a wide discal yellow band. 



Five ? ? in the Joicey Coll., one in Kenrick's collection. 



Ornithoptera joiceyi, sp. n., Noakes & Talbot. 

 (Pis. IV. & V.) 



This very distinct species is allied in general coloration to 

 goliath, titan, and supremus, whilst in certain characters it 

 shows relationship to rothscliildi. 



^ . Uppevbide. — Markings as in supremus, but on the fore 

 wing the green is strongly tinged with gold. At the lower 

 edge of the costal band, about midway between the base of 

 vein 6 and distal margin, there projects a short spur. The 

 first two spots of the discal patch, which are situate in 

 cellules 4 and 3, are smaller than in supremus, being more 

 invaded pioximally by the black ground-colour. 8ome 

 scattered scales in cellule 5 connect the first spot of the 

 discal patch with the spur of the costal patch. Hind wing : 

 the distal raargin is more rounded than in the allied forms 

 and the wing a little smaller; there is a tendency for the 



