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Show 160 MR. A. G. BUTLER O N [Feb. 18, 42. PAPILIO SEGONAX, Godm. et Salv. P. Z. S. 1878, p. 734. New Ireland. 43. *PAPILIOTELEMACHUS?, Salv. et Godm. P. Z. S. 1877, p. New Ireland. 44. *PAPILIO ALBINUS, Wall. Trans. Linn. Soc. xxv. t. 5. New Ireland. 45. *PAPILIO EUCHENOR, Gue'r. Voy. Coq. t. 13. f. 3. New Ireland. 46. *PAPILIO POLYDORUS ?, Salv. et Godm. P. Z. S. 1877, p. New Ireland. HESPERIDJE. 47. *TAGIADES, sp. ?, Salv. et Godm. P. Z. S. 1877, p. 149. New Ireland. . EXPLANATION OF PLATE XV. Fig. 1. Upper and underside of Euplcea erimas, $, p. 156. 2. Upper and underside of Cyrestes adcemon, p. 158. 3. Upperside of Pieris madetes, rf Cj, p. 159. 4. Underside of Pieris madetes, 2 > P- 159. 5. Upperside ot Pieris eurygania, J ?> P- 159. 6. Underside of Pieris eurygania, <$, p. 159. 5. On the Heterocera in the Collection of Lepidoptera from New Ireland obtained by the Rev. G. Brown. By A. G. BUTLER, F.Z.S. [Received January 29, 1879.] In this series are twenty-two species, most of which are either identical with or allied to forms occurring in N e w Guinea and the adjacent islands. The specimens are all of them in the collection of the British Museum. AGARISTIDJE. A G A R I S T A T Y R I A N T H I N A , n. sp. Primaries purplish black ; a large and nearly pyriform white spot (its apex pointing towards the costal margin) across the basal portion of the median branches ; apical fringe white : secondaries black, shot with brilliant purplish blue ; a large patch of white occupying the whole central area from abdominal margin to subcostal vein ; apical fringe white : body blackish, with orange anus; thorax shot with blue; a white line behind the eyes. Under surface nearly the same as above. Expanse of wings 2 inches. Most nearly allied to A. privata of Walker, from Ceram, but dif- |