Hutton. — On New Zealand Land Mollusca. 197 



South Island. — Greyrnouth (Helms). 



P. kegularis, 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 (Greenwood, Cheeseman, Gillies). 

 b. Spire conoidal. 



P. celia, 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. pheynia, 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. fatua, Pfeiffer (1857). 



Spire rather acute ; periphery sub-carinated ; finely striated. Yellow 

 horn colour. Diameter # 2 inch. 



North Island. — Taupiri (Hochstetter) ; Auckland (Cheeseman). 



P. glabkiuscula, 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. sciadium, Pfeiffer (1875). 



Spire conoidal, obtuse ; suture margined ; periphery acutely angled. 

 Pale horny obscurely variegated with reddish-brown. Diameter -45 inch. 



North Island. — Auckland (Gillies) ; Seventy-mile Bush, Wellington 

 (T. W. Kirk). 



