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Show 1877.] BUTTERFLIES F R O M D U K E - O F - Y O R K ISLAND. 141 tunately the species there mentioned are, many of them, at present unknown to our collections ; but the paper is one that has an important bearing upon the nomenclature of the Butterflies of the eastern end of N e w Guinea and of the islands which lie beyond. In concluding these preliminary notes, we offer our thanks to Mr. A. G. Butler of the British Museum for his assistance in enabling us to compare our specimens with those in the national collection, and for his help in several matters connected with the subject of this paper. RHOPALOCERA. N Y M P H A L I D ^ E. DANAINAE. I. DANAIS AUSTRALIS. Danais australis, Hombr. & Jacq. Voy. Pole Sud, Zool. iv. p. 388, Atlas, t. 2. f. 5, 6 (N. Australia). The specimens sent (three in number) seem to agree better with the figure quoted above than with any other of the many local forms into which the widely ranging D. limniace (L.) has been divided. The hind wings have their distal halves of a paler brownish tint, and in this respect resemble the race described by Mr. Butler (Ent. Month. Mag. xi. p. 163), from New Guinea (Dorey), as D. leucoptera. 2. DANAIS SOBRINA. Danais sobrina, Boisd. Voy. Astr. Entom. p. 103, Atlas, t. 4. f. 3 (Bouru and New Guinea). The single specimen in the collection only differs from the plate quoted above in having the spots of both wings rather larger. 3. EUPLCEA UNIBRUNNEA, sp. n. S Exp. 4*9. Form similar to that of E. prothoe, Godt. Above uniform brown, except the granular patch and the portion of the hind wings covered by the fore wings, which are yellowish white : beneath brown, fore wings with a submarginal row of minute bluish-white spots and two larger ones, extracellular, one on each of the median interspaces; hind wings with a marginal row of similar spots, which become evanescent towards the anal angle ; at the apical angle is another row of four spots inside the first row ; a row of seven spots surrounds the outside of the upperside and distal end of the cell; and, lastly, one is situated inside the cell close to the distal end. There are a pair of preocular spots, a pair of supraocular, a pair on the prothorax, and one on each of the wing-coverts. Obs. Allied to E. semicirculus, Butl. (E. cuvieri, Feld.), but differing in the absence of all spots on the upper surface of the wings. A large and apparently well-marked species, of which Mr. Brown's collection contains two examples. The second specimen has a pinkish-white tinge on the cell of the primaries. |