STJTBR : ON MOLLUSCA PEOM NEW ZEALAND. 179 



glicceeding ones. Fasciole minute, transversely striated. Colour 

 white. Spire conical, turreted, higher than the aperture with canal. 

 Protoconch small, papillate, of one and a half smooth and convex whorls, 

 the globose nucleus slightly lateral. Whorls 5, regularly increasing, 

 shouldered and keeled ; base contracted above the canal. Suture well 

 impressed, the varices passing across it. Aperture somewhat oblique, 

 oval, biangulate above, with a short, slightly oblique, and recurved 

 open canal. Outer lip sharp, prominently angled above, a little 

 strengthened by the last varix, smooth inside. Columella subvertical, 

 straight twisted and tapering below ; inner lip very thin and narrow, 

 polished, spreading over the lightly excavated parietal wall, narrowed 

 below to a fine point. Operculum unknown. Diameter 1-9, height 

 4 mm. 



Hob. — Near the Snares Islands, in 50 fathoms, type (Captain J. 

 Bollons) ; 21 J miles north-east of Wreck Reef, Stewart Island, in 50 

 to 54 fathoms (Edgar E.. Waite) ; 24 miles south-east of Long Point, 

 in 120 fathoms (E. R. Waite). 



Allied to the Pliocene T.GouIdi, Cossmann (=. crisptts, Hutton, 7ion 

 Gould), which, however, is a larger shell, with much less axial costse, 

 more spirals, and the outer lip strongly dentate within. 



MlTRELLA STEPHANOPHOEA, U.Sp. PI. VII, Fig. 3. 



Shell small, ovoid, smooth and polished, translucent, yellowish, 

 with spiral bands of brown zigzag lines on the bod)'- whorl. 

 Sculpture consisting of a few close spiral threads upon the short beak. 

 Colour yellowish white, with fulvous zigzag markings on the later 

 spire- whorls, and continued on the periphery of the body- whorl, a 

 second similar spiral band upon the base. Spire rather short, conical, 

 a little higher than the aperture ; outlines faintly convex. Protoconch 

 papillate. Whorls 5, regularly increasing, flatly convex, the last 

 ventricose and rounded ; base somewhat contracted. Suture not much 

 impressed. Aperture narrow, angled above, not much narrowed 

 below, and without a distinct canal. Outer lip straight above, convex 

 below, smooth inside. Columella subvertical, lightly turned to the 

 left below ; inner lip very narrow and thin, smooth, spreading over 

 the straight parietal wall. Operculum unknown. Diameter 2*4, 

 height 4*5 mm. 



ITab. — New Zealand, exact locality unknown. One specimen was 

 found by Mr. E. A. Annett, of Crawley, Sussex, who collected shells 

 in New Zealand some years back, and kindly gave me the specimen. 



MlTRELLA PSETJDOMAKGINATA, U.Sp. PI. VII, Fig. 4. 



Shell small, subulate, smooth, and polished, whitish, with light- 

 brown zigzag markings, translucent. The only sculpture consists of 

 a few spiral ridges on the neck of the base. Colour yellowish white, 

 with fulvous zigzag markings, interrupted on the body- whorl by a 

 narrow whitish spiral band below the periphery ; lower part of base 

 white. Spire high, acuminate, conic, about one and a half times the 

 height of the aperture ; outlines straight. Protoconch papillate, of 

 one and a half smooth whorls. Whorls 6, regularly increasing, flat. 



