On neiv Butterflies from the Pacific Islands. 403 Chalcididse. Spilochalcis mesillce, sp. n. $ . — Length about 7 raillim. or slightly over. Head and thorax bright yellow, marked with black and a little rufous ; tirst four legs yellow ; abdomen (except the yellow petiole) and hind legs bright orange-rufous. Head with obscure shallow punctures ; thorax with large punctures, largest and closest on scutellum, which becomes almost sub-cancellate; mesonotum transversely striate, the stride much stronger and amounting to grooves in the middle ; scutellum imarmed ; abdomen smooth and shining, hind femora duller but smooth ; petiole short, not half length of hind coxas ; hind femora with 16 minute teeth. Abdomen rather long, pointed, exclusive of petiole about as long as head and thorax. Antennae black, funicle rufescent, scape yellow in front ; occiput black, sending a black line forward between the ocelli to enlarge to a broad black frontal band, extending down to the antennal sockets. Mandibles bifid at apex, which is black. Thorax with a black median band running its whole length antero-posteriorly, pinched at hind margin of pro-notum j on pronotum a little and on mesonotum in front broadly bordered with rufous. Thoracic sutures narrowly black ; sides of metanotum with an elongate patch, black in front, rufous behind ; anterior part of pleura black ; middle cox^e marked with piceous ; liind coxse with a broad black stripe on outer side; femoral teeth darkened, but no marks on hind femora ; abdomen immaculate, ovipositor slightly projecting, black. Hub. Las Cruces, N. M., near to the Agricultural College, on Bahia or some similar Composite, Oct. 5, 1895. A very pretty species. XL. — Descriptions of further new Species of Butterflies from the Pacific Islands. By H. Grose Smith, B.A., F.Ci.S., F.Z.S. Delias callistrate. Male. — Upperside. Anterior wings white, with the apex broadly greyish black, the black apical area extending from the costa at one third fi'om the apex, thence narrowing across the disk to a little below the lowest median nervule on the outer margin, base and costal margin narrowly grey ; near
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