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Show 148 MESSRS. SALVIN AND GODMAN ON [Feb. 20, mus group, O. urvilliana will have to rank as a species at least distinct as 0. crcesus. The female closely resembles that of O. priamus itself, being of a sordid brown colour, the light markings being also dingy and not well defined as in the female O. aruana. In form and position these marks correspond to those of the female O. priamus. The anal angle, however, is more produced, a character also shown in the male. 33. PAPILIO EUCHENOR. Papilio euchenor, Guer. Voy. Coq. p. 273, t. 13. f. 3. A species ranging widely over the whole of the New-Guinea area, but unusually constant in its characters, little or no variation being observable in specimens from distant points. 34. PAPILIO ? Two imperfect specimens of a Papilio, belonging to the P. helenus group, are in the collection. The species seems to be most nearly allied to that described by Mr. Wallace from New Guinea as P. albinus (Trans. Linn. Soc. xxv. p. 49, t. 5. f. 5) ; but there are several slight points of distinction, the investigation of which had best be deferred until the receipt of better specimens. 35. PAPILIO AGAMEMNON, L. A Papilio of this form has been sent by Mr. Brown. It most resembles the "local form b" from Ke Island, mentioned by Mr. Wallace in his paper on the Papilionidae of the Malayan Region (Trans. Linn. Soc. xxv. p. 67). The secondaries are wholly black, except a line which crosses the cell obliquely near its base ; the second transverse band which crosses the primaries consists of five spots, instead of being a continuous line as is shown in the Ke-Island example, now in Mr. Druce's collection. The colour of the spots is greener, and the insect is much larger. It doubtless constitutes one of the numerous slight modifications, to use Mr. Wallace's words, in which P. agamemnon presents itself, and which were deemed by that writer to be hardly prominent enough to characterize as species. 36. PAPILIO CHOREDON. Papilio choredon, Feld. Verh. zool.-bot. Ges. xiv. p. 306 (Australia). Several mutilated specimens appear to belong to this race of P. sarpedon, L. It was, doubtless, the same race which was found by Montrouzier on Woodlark Island, and called by him P. sarpedon (Ann. des Scien. Phys. et Nat. de Lyon, viii. p. 401). 37. PAPILIO TELEMACHUS? Papilio telemachus, Montr. Ann. des Sc. Phys. et Nat. de Lyon, viii. p= 401 (Woodlark Island). Two specimens of a species of Papilio, belonging to the P.-ulysses group, agree fairly with Montrouzier's description cited above. They |