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Show 1886.] LEPIDOPTERA FROM WESTERN INDIA. 369 European collections • it has been named I. coruscans for him but is not even nearly allied to that species, of which we possess the types. Kollar s figure is not good, having been taken from a worn and broken specimen, but the identity of the species is settled by the "sky-blue gloss" of the basal half of the wings1; as a matter of tact the colour is ultramarine, but a little inaccuracy in colouring is perhaps admissible in the description of a rubbed insect. Kollar says, " W e possess only a single example of this beautiful species, and it has suffered severely in transport, so that in fact only the wings are preserved," and from the description we find that the hind wings, at least, are " badly rubbed." 54. ILERDA SENA. Polyommatus sena, Kollar in Hiig. Kaschm. iv. 2. n 415 nl 5 figs. 3,4 (1848). * ,p' ' d, Dewal and Murree, 8th, J6th, and -30th August; Bugnoter, 20th September, 1885. . S " Rather rare at Murree, very common on the lower slopes of Thundiani, and as low as Tret and Bugnoter, probably not above 5000 feet."-/. TV. Y. • • 55. SPINDASIS HYPARGYROS, sp. n. (Plate XXXV. fig. 3.) Allied to S. acamas and S. epargyros. Larger ; the male differing from both in the whitish costal area of primaries and both sexes differing in the darker bands on all the wings; on the under surface the wings are chalky white instead of cream-colour, all the markings are darker and edged with black; the submarginal band of the secondaries is not angulated as in S. acamas and the secondaries themselves are longer. Expanse of wings, d 36 millim., $ 35-38 millim. d 2 , Campbellpore, 19th, 20th, 25th, 26th, and 28th July, 1885. This is the representative of S. acamas in N.W. India; Col. Swinhoe obtained it at Kurrachee and Chaman; Major Yerbury says that it is common2. At the time when I identified it as S. acamas we did not possess that species, and I supposed that the differences which existed in Klug's figures were due to inaccuracy of delineation. The Zeller collection has, however, now put us in possession of specimens of the true S. acamas and the allied S. eparygros, and I am able to see at a glance that here we have a series of those constant local races which constitute the only existing species in the Order Lepidoptera, but which, for that very reason, are always as thorns 1 In /. coruscans the colour is shining metallic emerald-green. 2 Another a1 lied species occurs at Suakim ; it has recently been presented to the Museum collection by Surgeon Mandest. It may be called S. bellatrix. This species is smaller than S. acamas, is bright tawny above, with a black marginal stripe and white fringe ; the primaries show dusky indications of the ordinary markings upon the costal half; there is also a whitish spot in the cell and a white subapical costal spot; wings below chalky white, with pale sandy-brownish markings edged with black and enclosing the usual silver streaks and spots; all the bands are a little wider than in S. acamas, the central band of primaries is abbreviated; the subapical band of secondaries more angular and the submarginal band interrupted. Expanse of wings 30 millim |