Huvurroxs.—On New Zealand Land Shells, 178 
Central tooth rather wedge-shaped, broader behind, the length nearly 
twice the breadth ; the reflexed portion triangular, slightly sinuated at the 
sides, less than half the length of the base, with a moderate point. Laterals © 
with the base rhomboidal; the inner with the reflexed portion half the 
length of the base, bicuspid, the inner cusp large with a moderate point, 
the outer cusp small without a point; outer laterals with the reflexed por- 
tion shorter and unicuspid, the point longer, reaching beyond the posterior 
margin of the base. Marginals aculeate, with a strong curved point, which 
is most developed in the centre of the marginals. 
Hab. Greymouth (R. Helms). 
This species differs from Zonites in having a ribbed jaw, in which respect 
it resembles Zonites (?) lansingi, Bland, from Oregon. 
Puacussa FULMINATA, Hutton. Pl. x., fig. 3. 
Jaw like that of P. helmsi. 
Dentition, 88-1-88. Laterals about 18. 
Central tooth rectangular, the length nearly three times the breadth; 
the reflexed portion small, about a third of the length, constricted on the 
sides, the point small. Laterals bicuspid, the inner cusp much larger: 
inner laterals with the inner side emarginate, the cutting point small ; outer 
laterals with the reflexed portion more oblique and its inner margin 
msi Da cutting point moderate. Marginals aculeate, with a long 
curved p 
Hab. prati Island (T. Kirk). 
JANELLA BITENTACULATA, Quoy. PI. x., fig. 
Jaw delicate, smooth, broad, slightly sibs, with a sub-quadrangular 
accessory plate proceeding backwards. 
Dentition, 255-1-255. 
Central tooth with a median cusp on the reflexed portion ; the anterior 
margin simple or sinuated. 
Hab. Christchurch (R. W. Fereday). 
JANELLA MARMOREA, Hutton. Pl. x., fig. n, and pl. xi., fig. x. 
Jaw like that of J. bitentaculata. 
Dentition, 255-1-255. 
Central tooth without a median cusp on the reflexed portion ; Ste 
anterior margin emarginate. 
Hab. Greymouth (R. Helms). 
LeproPoma PANNOSA, Hutton. PI. x., fig. v. 
Dentition, 3-1-3. 
Central tooth longer than broad, constricted in the middle, rounded in 
front, and flat behind; anterior margin with five denticles, none on the 
basal part of the tooth. First lateral broad, with a very short stalk ; 
