SUTEE : ON^ MOLLUSCA FROM NEW ZEALAND. 183 



straight, with six somewhat inequidistant, subequal, strong, and flat 

 plaits, sometimes with an additional small plait above ; the columella 

 slightly twisted below, and produced into a narrowly rounded beak, 

 extending beyond the inferior end of the outer lip ; inner lip thin, 

 spreading broadly over the body and the convex parietal wall, with 

 a roundly-raised outer edge below. Diameter 35, height 70 mm. 



Hob. — Spirits Bay, North Island (Captain J. Bollons, C. Cooper). 



Only much worn specimens have hitherto been available, and the 

 description is therefore somewhat deficient. 



Maeginella (s.s.) Stewaetiana, n.sp. PL VII, Fig. 12. 



Shell small, elongately oval, smooth and polished, white, with an 

 elevated spire. There is no sculpture. Colour white. Spire elevated, 

 conic, with a pointed apex, its height a little less than half that of 

 the aperture. Protoconch small, smooth, rounded. Whorls 3, the last 

 high, moderately convex, narrowed towards the base ; spire-whorls 

 flatly rounded. Suture lightly impressed, narrowly margined below. 

 Aperture oblique, liigh and narrow, lightly channelled above, truncated 

 and not notched below. Outer lip oblique, straight, and thickened at 

 the middle, lightly retrocurrent and with a narrow sinus above, 

 smooth inside. Columella faintly concave, with four subequidistant, 

 slender, and oblique plaits, the lower two more prominent, the last 

 extending to the basal margin ; inner lip thin and transparent. 

 Diameter 2-3, height 4"6 mm. 



Hah. — Port Pegasus, Stewart Island, in 18 fathoms (Captain J. 

 Bollons). 



This species is very closely allied to M. hehescens, Murd. & Sut., 

 but it is more elongate, the spire more acuminate and with a much 

 sharper apex, and the suture is less impressed. 



Maeginella (Glabklla) paevisteiata, n.sp. PL VII, Fig. 13. 



Shell very small, oviform, semitransparent, dull, white, with a 

 short spire, axially finely striated. Sculpture consisting of minute, 

 close, and straight axial striae, continuous over the spire to the body- 

 whorl. Colour white or yellowish white. Spire short, conoidal, with 

 a blunt apex, its height about one- fifth that of the aperture. Protoconch 

 smooth, broadly convex. Whorls 3, flat on the spire, body-whorl 

 high, moderately convex, slightly narrowed towards the base. Sutnre 

 indistinct. Aperture high and narrow, a little wider below, sub- 

 channelled above, roundly truncated at the base. Outer lip slightly 

 convex, vertical, a little retrocurrent toward the suture, thickened 

 and rounded, smooth inside, with an outer varix extending a short 

 way up the spire and across the basal margin. Columella a little 

 oblique, with four oblique, nearly equidistant, strong plaits ; inner lip 

 broad and thin, distinct only outside the columella ; parietal wall 

 lightly convex. Diameter 1*7, height 3*1 mm. 



Hob. — Foveaux Strait, in 15 fathoms. 



Mauginella (Glabella) ldeida, n.sp. PL VII, Fig. 14. 

 Shell very small, narrowly oval, smooth and shining, white, trans- 

 lucent when fresh, with a moderately elevated spire. There is no 



