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Show 1895.] BOBNEO AND NEIGHBOUElNG ISLANDS. 109 This species somewhat resembles E. aglaja, but is somewhat smaller, has a flatter spire, a deeper suture, and, for its size, more numerous whorls. 24. EVEEETTIA THALIA. (Plate III. fig. 5.) Testa depresse conoidea, suborbicularis, sordide pellucida, olivacea induta, imperforata ; spira brevis, convexe conoidea, apicem obtusa ; anfractus 6-7, convexiusculi, lente accrescentes, superne fortissime arcuatim et oblique striati, haud nitidi, ultimus ad peripheriam subangulatus (angulo aperturam versus sensim evanescente), infra convexiusculus, aliquanto Icevigatus, lineis incrementi tenuibus striatus, in medio paulo impressus apertura oblique lunata ; peristoma tenue, margine columellari superne leviter incrassato, reflexo, appresso. Diam. maj. 19 millim., min. 17k alt. 13. Hab. Mount Rabong. This species is at once distinguishable by the strong curved oblique raised lines of growth upon the upper surface, and the imperforate impressed base which is somewhat glossy, whereas the spire is more or less dull. Aglaia, the name of one of the three Graces and daughter of Jupiter and Antonoe, having been associated by Pfeiffer with a species of this genus, it seemed suitable to make use of her sister's name Thalia in connection with an allied form. 25. EVEEETTIA CUTTEEI (H. Adams). Macrochlamys cutteri, H. Ad. Proc. Zool. Soc. 1870, p. 794, pi. xlviii. fig. 21. Hab. Busau (H. Adams Sf Everett), The locality Busau is printed erroneously Busan by H. Adams and Godwin-Austen, P.Z.S. 1889, pp. 334-355, 1891, pp. 37-46, and therefore for busanensis, the term applied to several species, busanensis should be substituted. 26. LAMPEOCYSTIS MYOPS (Dohrn & Semper). Lam. chlororhaphe. Smith, Ann. & Mag. 1893, vol. xi. p. 348, pi. xviii. figs. 4-6. Hab. Tiga Island, near Labuan. This species appears to be widely distributed, having been recorded from Mindanao, Sulu Islands, Palawan, and Balabac. The specimens described from Palawan as Lamprocystis chlororhaphe undoubtedly belong to this species. 27. LAMPEOCYSTIS BALABACENSIS. (Plate III. fig. 6.) Testa depressa, orbicularis, anguste perforata, polita, cornea, ; spira vix prominula, ad apicem obtusa; anfractus 4-L convexiusculi, lente accrescentes, Iceves, infra suturam plicato-striati, ultimus ad peripheriam rotundatus; apertura oblique lunata ; peristoma tenue, margine columellari superne breviter dilatato, reflexo, et peculiariter sinuato, porca umbilico instructo. |