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Show 1868.] MR. E.T. HIGGINS ON NEW SHELLS. 1/9 bus, interdum subinterruptis, nigricanti-castaneis, albo punctatis picta; spira elongato-conica, acutiuscula; anfractibus 8, planiusculis, basi attenuato; columella subtorta; apertura verticali, elongato-ovali; perist. simplici, recto, margine dextro superne sinuato, columellari breviter reflexo, appresso. Long. 37, diam. 13 mill. ; apertura 17 mill, longa, 6| mill. lata. Hab. Huamachuco, Peru. Several specimens of this very exquisite shell were found by Mr. Farris. BULIMUS (OTOSTOMUS) LAMAS, n. sp. (Pl. XIV. figs. 3, 3 a.) B. testa subperforata, oblongo-turrita, tenui, sublcevigata, irregulariter leviter striata, albida, strigis castaneis ornata ; spira elongata, apice acuto; anfractibus 7, planiusculis, ultimo basi rotundato; columella sub strict a; apertura parum obliqua, ovali, intus castanea ; perist. simplici, recto, margine columellari superne reflexo, subadnato. Long. 33, diam. 10 mill.; apertura 14 mill, longa, 5 mill. lata. Hab. Jouctabamba, Peru. Fam. HELICINIDAE. N A N I N A (XESTA) DE-CRESPIGNII, n. sp. (Pl. XIV. fig. 4.) N. testa anguste perforata, turbiniformi, tenui, polita, pellucida, castanea, leviter radiato-striatula; spira elevata, convexo-co-nica, vertice obtuso, sutura impressa, vix albo marginata ; anfractibus 6, convexiusculis, ultimo non descendente, periph. rotundato, medio fascia albida cincto, basi convexo ; apertura parum oblonga, rotundato-lunari;perist. recto, acuto; margine collumellari declivi, leviter arcuato, superne dilatato, supra perforationem reflexo. Diam. maj. 25, min. 22, alt. 18 mill. Hab. Labuan. This very distinct Xesta was found in tolerable abundance by Lieut. De Crespigny. HELIX (AGLAIA) FARRISI, n. sp. (Pl. XIV. fig. 5.) H. testa umbilicata, orbiculato-depressa, solidiuscula, striata indentata, olivaceo-fusca, fascia fusca cincta ; spira paulum elevata, sutura impressa ; anfractibus 4\, convexiusculis, ultimo descendente, basi convexo ; apertura valde obliqua, ovali ; perist. albo, breviter reflexo, marginibus conniventibus, columellari umbilicum fere tegente. Diam. maj. 32, min. 26, alt. 18 mill. Hab. Huamachuco, Peru. Discovered by Mr. Farris, after whom I have named it. Fam. MYCETOPIDAE. M Y C E T O P U S FALCATUS, n. sp. (Pl. XIV. fig. 6.) M. testa maxime elongata, falcifor mi, tenui, valde ineequilaterali, |