818 Transactions,.—G eology. 
Sigaretus undulatus. | Pl. xviii., fig. 11, 
Shell sub-globose, smooth, ornamented with delicate, close, undulating 
spiral lines. Whorls 44, the first 24 polished. Aperture ovate, produced 
anteriorly ; columella curved, the callus completely covering up the 
umbilicus. 
Length, ‘82 inch; breadth, -82 inch. Aperture, length, *65 inch; 
breadth, +47 inch. 
Locality. Wanganui and Petane. 
Sigaretus ( Naticina ) cinctus. Pl. xvii., fig. 12. 
Shell globoso-ovate, smooth, closely spirally grooved, the grooves 
shallow. Whorls 44, the first three without spiral markings. Suture ex- 
cavated. Aperture oblong; columella nearly straight; umbilicus widely 
open. 
Length, ‘6 inch ; breadth, 55 inch. Aperture, length, 5 inch; breadth, 
28 inch. 
Locality. Wanganui. 
Eulima micans. 
Shell minute, subulate, highly polished, slightly curved to the right. 
Whorls 6, flattened, suture almost obliterated, enamelled. Aperture oval, 
rounded in front and pointed behind, the columella curved. 
Length, :14 inch. 
Locality. Wanganui. 
Eulima media. Pl. xviii., fig. 18. 
Shell minute, slightly polished, straight. Whorls 6 or 7, slightly convex, 
smooth, without any markings; suture impressed. Aperture ovate rounded 
in front but not pointed behind; columella curved to the right. Not um- 
bilicated. 
Length, -14 inch. 
Locality. Wanganui. 
Doubtfully located ; should perhaps be placed in Eulimella. 
Fulimella depleza. 
Shell minute, slightly polished, straight. Whorls 6-7, flattened, smooth, 
without any markings; suture impressed. Aperture sub-quadrate; columella 
straight, callously reflected over the umbilical region. 
Length, :14 inch. 
Locality. Wanganui. 
Eulimella obliqua. 
Shell minute, smooth, almost polished, slightly curved to the right. 
Whorls 77 or 8, the last slightly keeled in the middle; suturerather obscure. 
Aperture sub-quadrate, pointed behind; columella straight and parallel 
with the outer lip. 
