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Show 440 MR. E. A. SMITH ON NEW SHELLS FROM [June 16, cancellati ; anfr. ultimus lira spirali tertia paulo infra medium ornatus ; apertura parva, longit. totius T % adcequans; columella in medio uniplicata, antice subsinuata. Longit. 6 millim., diam. 3 ; apertura 2 | longa, 1| lata. In size and form C. fischeri of A. Adams, from the Straits of Korea, bears considerable resemblance to the present species. It has, however, more spiral lirse, three columellar plaits and lirse within the aperture, a feature which does not appear in the single shell at hand from station 164, but which possibly might be detected in a larger series of specimens. 12. MITRA MIRANDA. (Plate XXXIV. fig. 12.) Testa fusiformis, turrita, albida; anfract. 7, apicalis Icevis, globosus, cceteri superne aaguste tabulati, ad latera vix convexiusculi, costis crassis (in anfr. ult. plus minus obsoletis) circiter 15 instructi, linea impressa spirali infra suturam sculpti, ultimus infra medium constrictus, antice sidcis paucis circa cau-dam sculptus; apertura elongata, longit. totius \ cequans vel superans ; columellaplicis quatuor tenuibus distantibus instrucla. Longit. 9 millim., diam. 4; apertura 4 | longa, 1| lata. The folds on the columella are very peculiar, and recall those in certain species of Voluta ; they are rather far apart, and do not all slope in the same direction. The spiral sulcus falls below the edge of the tabulation, producing a kind of thickened edge to it. 13. MARGINELLA CARINATA. (Plate XXXIV. fig. 13.) Testa breviter ovato-fusiformis, alba, polita, Icevis; anfract. supremus convexus, sequentes superne valde excavati, dein acute angulati, ultimus infra angulum leviter convexus, basim versus contractus; apertura elongata, angusta, longit. totius -Jj adcequans; labrum vcdcle incrassatum, intus leave; columella plicis tribus, tenuibus sed prominentibus, instructa, antice oblique curvata, per longitudinem callo tenui induta. Longit. 5^ millim., diam. 3 | ; apertura 3| longa, 1 lata. The whorls are well excavated at the upper part and then rather sharply keeled a little above the suture. The surface is very glossy, and the columellar folds are subequal and thin but prominent. 14. MARGINELLA BRAZIERI. (Plate XXXIV. fig. 14.) Testa parva, brevis, lata, alba, polita, subpellucida ; spira brevis-sima, ad apicem obtusa ; anfractus 4, prope suturam depressi, leviter marginati, ultimus magnus, superne late rotundeque humerosus, inferne angustus, contractus; apertura mediocriter angusta, circa -| longit. totius occupans ; columella plicis tribus tenuibus instructa ; labrum extus incrassatum, intus Iceve. Longit. 4 millim., diam. 3 ; apertura 3^ longa, 1 lata. This and M. carinata have three columellar folds in addition to the oblique anterior termination of the columella which passes into the labrum. |