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Show 438 MR. E. A. SMITH ON NEW SHELLS FROM [Julie 16, 5. TROCHUS (BEMBIX) ABYSSORUM. (Plate XXXIV. fig. 5.) Testa imperforata, turbinata, subtenuis, sordide albida, nitida ; anfract. -1, convexi, liris spiralibus incequalibus (inpenult. 7), lineis incrementi validis obliquis confertis supra liras subno-dulosis cancellati, ultimus magnus, subinjiatus, liris circiter cinctus ; apertura magna leviter obliqua, longitudinis totius i hand cequans, intus tenuiter sulcata, magaritacea; labrum tenue, anguste expansum; columella obliqua, vix curvata, subreflexa. Longit. 26 millim., diam. maj. 20 ; apertura 11 longa, 11 lata. Hab. Station 241. North Pacific, east of Japan, in 2300 fathoms. The single specimen consists of four whorls only. The apex appears to have been broken off rather abruptly. The oblique lines of growth are strongly developed, taking the form of raised lirse ; they cross the spiral ridges, which in consequence have a finely subgranose appearance. The interior of the aperture is thinly nacreous, and the sulci within correspond with the external lirse. 6. CUSPIDARIA (MYONERA) LISCHKEI. (Plate XXXIV. fig. 6) Testa parva, tenuis, globosa, postice breviter rostrata, cequivalvis, concentrice tenuiter striata, striis supra rostrum paulo validio-ribus; margo dorsi anticus leviter convexus, posticus declivis, incurvatus, ventralis late curvatus, prope rostrum leuissime sinuatus,- latus anticum magnum, curvatum, posticum angus-tatum, rostratum, ad extremitatem breviter truncatum, carina obsoleta ah umbone radiante instruction ; umbones parvi, subcen-trales; linea cardinis edentula tenuis, in valva sinistra pone umbonem leviter incrassatum ; lig amentum parvum. Longit. 8 millim., alt. 5|, diam. 4. Hab. Station 237. South of Japan, iu 1875 fathoms. This species is remarkable for the obtuseness of the anterior outline. It somewhat resembles C. teres, Jeffreys, but is more obtuse in front, and also differs in sculpture and the hinge-characters. (Descriptions of new Species of Shells from Station 164 B.) 7. PLEUROTOMA (DRILLIA) CHALLENGERI. (Plate XXXIV. fig- 7.) Testa parva, alba, angusta, breviter fusiformis ; anfractus 7, duo supremi (nucleus) Iceves, convexi, cceteri superne excavati, infra leviter convexi, costis tenuibus (in anfr. penult, circiter 16) liris spiralibus minus conspicuis (infra suturam quoque ad angulum supra costas tuberculatis) instructi; anfr. ultimus elongatus, costis inferne sensim obsoletis; apertura angusta, longit. totius | hand cequans ; labrum tenue, in concavitate hand profunde sinuatum. Longit. 12 millim., diam. 4 ; apertura 5| longa, 2 lata. This species has a large apex, a shallow labral sinus, and the whorls with a double coronation around the upper part. |