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Show 1895.] MR. H. H. DRUCE ON BORNEAN LYCEENIDEE. 583 Group III. LAMPIDES CELENO. Papilio celeno, Cr. Pap. Exot. vol. i. pi. xxxi. figs. C, D (1775). Cupido celeno, Druce, P. Z. S. 1873, p. 348. Lampides celianus, Distant & Pryer, Ann. & Mag. Nat. Hist. ser. 5, vol. xix. p. 267 (1887), et auctores. Labuan (Low) ; Sarawak (Everett). Mr. de Niceville appears to consider L. celeno, Cr., distinct from L. celianus (Journ. B. N. H. Soc. 1891, p. 366). The types of Mr. Herbert Druce's L. agnata1 are before me, and are quite indistinguishable from the common form of celeno. The forms alexis, Stoll, and conferenda, Butl., seem to be quite unknown in Borneo 2. I think that both Messrs. Distant and de Niceville are wrong in placing P. ( = L.) malaccanus, Eober, as a synonym of L. celianus, as the arrangement of the white bands on the hind wdng is very different, the 4th band (from the base), which in celianus extends upwards to the 2nd median nervule, is in Herr Kober's figure entirely absent. LAMPIDES OPTIMUS. Plebeius optimus, Eober, Iris, i. p. 56, pi. iv. fig. 16 (1886). Kina Balu (Waterstr.) ; Elopura (Pryer); Lawas (Everett); Labuan (Low) ; Taganac I. L. optimus scarcely differs from L. cleodus, Feld., on the upper-side, and on the fore wing below the white bands are arranged as in that species, but on the hind wdng the 4th band (counting from the base) does not reach the costal margin, but stops short at the subcostal nervure. The outer margin of the hind wdng of the female on the upperside appears to be not so strongly marked as in that sex of L. cleodus. LAMPIDES CLEODUS. Lyccena cleodus, Feld. Eeise Novara, Lep. ii. p. 272, pi. xxxiv. figs. 20, 21, 22 (1865). Sandakan (Pryer). Both sexes of this species are contained in Messrs. Godman and Salvin's collection, agreeing well with typical specimens. LAMPIDES ZEBRA, sp. n. (Plate XXXII. fig. 18 d •) d . Upperside very pale whitish blue, shining as in L. cleodus, but bluer. The apex of fore wing very slightly dusky. Hind wdng sometimes unmarked, sometimes with a blackish streak near the anal angle. Underside: ground-colour rather dark grey, with pure white bands arranged as in L. celeno in both wdngs, but with the orange patch darker and much more extensive. 1 Cupido agnata, Druce, P. Z. S. 1874, p. 106, pi. xvi. figs. 2-4. 2 There are specimens in Messrs. Godman and Salvin s collection of the allied L. evanescens, Butl., from New Hebrides Is., which closely resemble the form conferenda, Butl. |