Hurrox.—On New Zealand Land Mollusca. 197 
South Island.—Greymouth (Helms). 
P. reGuLARIS, Pfeiffer (1854). 
As high as broad; very finely striated; periphery acutely angled ; 
suture impressed; umbilicus partly covered. Horny, covered with a thin 
epidermis, which is produced into ragged processes at the periphery. 
Diameter ‘15 inch. Dentition, 27-1-27. 
South Island, —-Greymouth (Helms). 
P. ERIGONE, Gray (1849); H. heldiana, Pfeiffer (1851). 
As high as broad; apex obtuse; periphery obtusely angled ; suture im- 
pressed. Pale horny, obscurely marked with reddish-brown. Diameter 
*08 inch. 
North Island, —Auckland A sin Cheeseman, Gillies). 
b. Spire conoidal. 
P. ceria, Hutton (1883) ; H. fatua, Trans. N.Z. Inst., xiv., p. 153 [not 
of Pfeiffer]. 
Spire acute; periphery obtusely angled. Pale horny, with reddish- 
brown bands. Diameter :15 inch. Dentition, 20-1-20. 
North Island.—Wanganui and Wellington (T. W. Kirk); Horokiwi, 
Wellington. 
South Island.—Dunedin and Milford Sound (F.W.H.); Greymouth 
(Helms) ; Temuka (Chilton). 
P. parynia, Hutton (1883). 
Spire acute ; periphery obtusely angled. Pale horny, radiately streaked 
with rufous; covered by a thin epidermis which is rather distantly wrinkled. 
Diameter +1 inch. 
North Island.—Wanganui (T. W. Kirk). 
P. rarua, Pfeiffer (1857). 
Spire rather acute; periphery sub-carinated; finely striated. Yellow 
horn colour. Diameter ‘2 inch. 
North Island.—Taupiri (Hochstetter) ; Auekland (Cheeseman). 
P. cLaBRIUScULA, Pfeiffer (1851). 
Semi-globose ; periphery rounded; smooth. Pale yellow, angularly 
lined with rufous. Diameter :14 inch. 
New Zealand (Strange). 
I have not seen this species. 
C. Broadly umbilicated. 
P. scrapium, Pfeiffer (1875). 
Spire conoidal, obtuse; suture Satay periphery acutely angled. 
Pale horny obscurely variegated with reddish-brown. Diameter ‘45 inch. 
North Island.—Auckland (Gillies); Seventy-mile Bush, Wellington 
(T. W. Kirk). 
