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Show 18/9.] MR. E. A. SMITH ON MOLLUSCA FROM JAPAN. 197 apex, banded with light brown, one band at the top of the whorls darker than the rest. Whorls 9 1 (apex broken), obliquely sloping at the upper part, and slightly convex at the sides, strengthened with longitudinal suberect rounded costa?, whereof there are 12 on the penultimate whorl and about 16 on the last (those towards the labrum being finer), gradually vanishing a little below the middle; between the more slender ribs there are a few fine intermediate ones, but this may only be an individual peculiarity ; the whorls are also transversely Urate; lira? of different thicknesses, numerous, raised equally between and upon the costae, fewer and coarser upon the upper whorls, and about 30 on the body-whorl. Aperture rather narrow, less than half the length of the shell, exhibiting the same banded colours as the exterior ; labrum thickened within and exteriorly, thin at the extreme edge, smooth interiorly ; sinus small at the suture ; columella simple, obliquely flexuous ; canal a trifle oblique and slightly recurved. Length 12 millims., width 3|. Hab, Station 21. This species belongs to a section of Pleurotoma which includes saturata, Reeve, subula, Reeve, albibalteata, Reeve, and a few others. 34. DAPHNELLA? SUBZONATA. (Plate XIX. fig. 27.) Shell elongate, dull lightish brown, more or less distinctly banded at the middle of the whorls, with opaque white lines interrupted by dark brown dots or short lines ; sometimes marked with opaque white streaks just beneath the suture, and with a second less apparent transverse band around the lower part of the last volution. Whorls 11 ; apical ones minutely reticulated ; the rest convex, divided by an oblique suture, longitudinally costate, and transversely closely Urate; costae rounded, a little oblique, 16 on the penultimate, and fewer on the preceding whorls ; spiral lirae equally elevated on and between the ribs, about 12 on the penultimate, and, like the costae, gradually fewer on the upper whorls; the entire surface microscopically reticulated. Aperture rather broad, somewhat of the same colour as the exterior, but a little clouded ; lip arcuate, moderately thickened, with a small sinus at the suture, smooth within ; columella suberect, a little oblique at the lower end, smooth; canal rather wide, short, but very little recurved. Length 17 millims., width 5. Hab. Station 27. Allied to Pleurotoma albibalteata, Reeve, but narrower, with less-swollen whorls, of a different colour, and with the characters of the aperture and lip not agreeing. 35. DAPHNELLA? SATURATA, Reeve. Pleurotoma saturata, Rve. Con. Icon. vol. i. sp. 213. Hab. Station 27. Corrigidor, Philippines (Cuming). This specimen is a little lighter in colour than the type. The whorls in all examples are somewhat convex and have a narrow furrow just beneath the raised margin at the'top; they are 9 in |