Hurron— Zhe Pliocene Mollusca of New Zealand. 51 
Sinus area with fine spiral lines; the spiral ribs on the body whorl, below the 
tubercles, are more distant. Aperture oval; canal moderate, twisted. Length 
22mm.; breadth 8mm. 
Locality.—Petane. 
PLEUROTOMA £QUISTRIATA, Hutton, Trans. N.Z. Inst. Vol. XVIII. p. 334. 
(Plate vu. fig. 30.) 
Shell fusiform, the spire longer than the body whorl. Whorls spirally 
striated and longitudinally ribbed ; there are 15 longitudinal ribs on a whorl. 
Sinus area concave and covering the suture, spirally striated. Aperture oval, 
canal very short; inner lip with a large posterior callus. Length 18mm; 
breadth 5mm. 
Locality.—Petane. 
PLEUROTOMA ALABASTER, Reeve, Pro. Zool. Soc. 1843, p. 181. 
(Plate vu. fig. 31.) 
Shell fusiform, the spire much longer than the body whorl. Whorls with 
very fine spiral striations and oblique longitudinal, slight plications on the spire 
whorls; there are about 16 or 17 plications on a whorl. Sinus area nearly 
smooth. Aperture oval, the canal short and straight ; sinus rather deep. 
Length 15mm.; breadth 5mm. 
The callus in the aperture is sometimes absent. 
Locahty.—Wanganui, Matapiro. 
Prevroroma Lavis, Hutton, Cat. Marine Moll. of N.Z. p. 12. 
(Plate vu. fig. 32.) 
Shell fusiform, the spire longer than the body whorl. Whorls smooth with 
longitudinal plications ; about 14 on a whorl. Aperture oval, canal short and 
straight ; sinus deep. Length 18mm.; breadth 7mm. 
Locality.—Wanganui, Petane. 
Genus DAPHNELLA. - 
Key to the species. 
Surface finely cancellated ... foe za .. D. lmnetformis. 
» finely spirally striated ven “ «. L), striata. 
, spirally ribbed; minute... si ... D. lacunosa. 
