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Show 1893.] THE BUTTERFLIES OF THE GENUS THYSONOTIS. 543 THYSONOTIS RIBBEI. Plebeius ribbei, Sober, Iris, i. p. 52, pi. iv. f. 2, d (1886) Hab. N.W. New Guinea, Sekar. This species seems to differ from all others by having a narrow metallic line between the usual broad fascia and the margin on the hind wing below. It is known to us only from the figure. The female is undescribed. THYSONOTIS PHILOSTRATUS. (Plates XLV. fig. 8, XLVII. figs. 3, 3 a.) Lyccena philostratus, Feld. Eeise Nov., Lep. ii. p. 264, t. 33. ff. 1, 2 (1865). Cupido philostratus, Kirby, Svst. Cat. p. 346 (1871) ; Oberthiir, Ann. Mus. Genova, xv. p. 522 (1880). d • Upperside much like T. apollonius d, but of a more violaceous shade of blue. Underside as $ , but white central band, as is usual, rather wider. Hab. Gilolo (Felder) (Platen in Mus. Staud.) (Wallace in Mus. G. fy S.); Batchian (Platen) ; Waigiou (Mus. G. Sr S.) ; Batchian (Boherty) (Mus. B.) ; Ternate (Oberthiir). This is an easily distinguished species and does not appear to vary except in size-a small female from Batchian in Messrs. Godman and Salvin's collection measuring only 1% inches, a large one from Waigiou 2 inches. Genitalia. Clasps somewhat bottle-shaped, but rounded at the base, and the neck (continuing the simile) thick, the apices being bluntly toothed. Tegumen with sides fully developed; hooks of moderate length and rather slender. Penis decidedly short, very stout, similar in shape to T. apollonius. (Plate XLVII. figs. 3, 3 a.) B. The WALLACEI group. This is a small group which contains insects of somewhat less robust appearance than the preceding and which have the cilia of both sexes pure white, not alternately black and white as in danis and allies. Unfortunately very little is known of them, as very few are contained in collections. They are certainly some of the most beautiful of the genus. THYSONOTIS WALLACEI. Lyccena wallacei, Feld. Eeise Nov., Lep. ii. p. 265, ff. 8-10 (1865)l. Cupido wallacei, Kirsch, Beitr. Lep.-Faun, von Neu-Guinea, p. 126 (1877) \ Hab. Waigiou '; Mysol (Wallace) (Mus. G. $ S.); N. Guinea, Ansus, Kordo, Rubi2. The specimens from Mysol are rather smaller than Dr. Felder's figures, and the male has rather less white on the disks. |