Hurron.—On New Zealand Land Shells. 171 
Jaw arched, thick, tapering towards the ends, smooth, without ribs, the 
concave margin jagged. 
Dentition, 21-1-21. Laterals 8. 
Central tooth rectangular, longer than broad; the reflexed portion 
triangular, sinuated on each side, two-thirds the length of the base and 
with a large cutting point. First lateral like the central tooth but larger, 
the inner margin straighter and with a minute point; second to fourth 
laterals with the base nearly as broad as long, the reflexed portion deeply 
sinuated on the inner, less so on the outer side, a small point on the inner 
side: in the sixth to eighth laterals the inner side is less sinuated and the 
point becomes larger. Marginals broader than long, with three points of 
which the middle is the longest; in the outer marginals the two inner 
cutting points are equal and united. 
H Oxford, N. Canterbury (C. Chilton). 
AMPHIDOXA CORNEA, Hutton. PI. x., fig. a. 
Jaw thin, slightly arcuate, smooth, faintly striated. i 
Dentition, 22-1-22. Laterals 8. 
Teeth like those of P. phlogophora except the outer marginals in which 
the cutting points are more irregular and altogether absent in the last, 
which is minute. 
Hab. Auckland (T. F. Cheeseman). 
Animal dark slate grey, sole of the foot dirty yellowish ; mantle 
mottled with grey. Mantle central, slightly reflected over the peristome ; 
tail pointed, with a mucous slit. 
Hab. Greymouth (R. Helms). 
ÅMPHIDOXA costuLata, Hutton. Pl. x., fig. D. 
Jaw, none seen. 
Dentition, 14-1-14. Laterals 5 or 6. 
Central tooth rectangular, almost as broad as long ; the reflexed portion 
minute, tricuspid ; the middle cusp reaching about half the length of the 
base. Laterals like the central tooth, but the middle cusp reaching the 
posterior margin. Marginals broader than long, tridentate ; in the inner 
marginals the outer point is very small, and the two inner are united. 
Hab. Auckland (T. F. Cheeseman). 
PARYPHANTA CHIRON, Gray. Pl. x., fig. B. 
Jaw, none seen. 
Dentition, 17-1-17. Laterals 7. 
"Teeth like those of P. phlogophora. 
Hab. Auckland (T. F. Cheeseman). 
ParyPHANTA OREBRIFLAMMIS, Pfeiffer. PI. xi., fig. c. 
Jaw very delicate, membranaceous, smooth. 
