Pyramidella.} GASTROPODA. 331 



4. Pyramidella lurida, Suter, 1908. Plate 16, fig. 10. 



Pyramidella (Syrnola) lurida, Suter, T.N.Z.I., xl, 1907 (1908), 347, pi. 27, f. 4. 



Shell small, subulate, imperforate, smooth and polished. Sculp- 

 ture consisting of very fine and close microscopic spiral striae ; the 

 fine and nearly straight growth-lines distinct. Colour white. Spire 

 high, subulate, much higher than the aperture ; outlines but faintly 

 convex. Protoconch heterostrophe, of 1 smooth globular and polished 

 whorl. Whorls 7, regularly increasing, faintly convex ; base rounded. 

 Suture well impressed, margined below by a distinct narrow smooth 

 band. Aperture subvertical, elongate-ovate, angled above and nar- 

 rowly rounded below. Outer lip thin and sharp. Columella sub- 

 vertical, arcuate, with a distinct plait above, which is continued as a 

 narrow ridge over the pillar down to the base, and uniting with the 

 basal lip ; there is no callosity upon the parietal wall. Operculum un- 

 known. 



Diameter, 1-6 mm. ; height, 6mm. 



Animal unknown. 



Type in my collection. 



Hab. Five miles south of Cuvier Island, in 38 fathoms (Captain 

 Bollons). 



5. Pyramidella pulchra, Brazier, 1877. Plate 16, fig. 11. 



Syrnola pulchra, Braz., P.L.S. N.S.W., i, 1877, 261 ; Hedley, Rec. A.M., 

 iv, No. 3, 125, pi. 16, f. 20. 



Shell small, perforate, fairly solid, and polished, with a narrow 

 brown band. Sculpture consisting of fine straight growth-lines only. 

 Colour cream-Avhite, with a fine dark-brown spiral band above the 

 suture on the last four whorls, at the periphery on the body-whorl. 

 Spire high, subcylindrical, tapering towards the apex, much higher 

 than the aperture. Protoconch lost in the type as well as in my 

 specimen. Whorls about 9 to 11, regularly increasing, sides almost 

 straight ; base flattish. Suture deep, channelled. Aperture vertical, 

 elongately oval, angled above, slightly expanded at the base, half-way 

 down with 4 prominent lines of striae, the upper one thickest. Peri- 

 stome thin and sharp. Columella subvertical, short, arcuate, with a 

 distinct plait above. Inner lip spreading but little beyond the pillar, 

 but covering the whole width of the parietal wall. Umbilical chink 

 narrow, open. Operculum unknown. 



Diameter, 1-5 mm. ; height, 4-8 mm. (decollated specimen of 

 7 whorls). 



Animal unknown. 



Type in the Macleay Museum, Sydney. 



Hab. Five miles south of Cuvier Island, in 38 fathoms (Captain 

 Bollons). 



