Hutton. — On New Zealand Land Mollusca. 193 



South Island. — Bealey (Haast). 



C. Eibs on upper surface arcuated. 



P. tapirina, Hutton (1882) ; P. coma, Trans. N.Z. Inst., xiv., p. 150 ; 

 not of G-ray. 



Eibs about 18 in the tenth of an inch. Horny brown, obscurely banded 

 with reddish. Diameter -19 inch. Dentition, 18-1-13. Spire usually 

 convex, but sometimes concave. 



North Island.— Auckland (Cheeseman, Gillies) ; Hawke's Bay (Meinertz- 

 hagen) ; Masterton aud Wellington (T. W. Kirk). 



South Island.— Greymouth (Helms) ; Temuka (Chilton) ; Dunedin and 

 Queenstown (F.W.H.). 



P. sylvia, Hutton (1883). 



Eibs distant, about 18 in the tenth of an inch ; pale horny with thin 

 bands of chestnut on the upper suface. Diameter -12 inch. 



North Island. — Auckland (Gillies) ; Horokiwi, Wellington. 



South Island. — Bealey (Haast). 



Smaller, paler, and with narrower whorls than the last species. 



P. infecta, Eeeve (1852) ; H. zeta, Pfeiffer (1851). 



Eibs about 23 in the tenth of an inch. Pale horny, banded and tessel- 

 lated with rufous. Diameter -14 inch. Dentition, 15-1-15. 



North Island. — Petane, near Napier. 



South Island.— Greymouth (Helms) ; Oxford (Chilton) ; Bealey (Haast). 



P. biconcava, Pfeiffer (1851). 



Spire deeply concave ; aperture higher than broad ; ribs about 32 in 

 the tenth of an inch. Diameter -17 inch. Animal and dentition unknown. 



North Island. — Thames, Auckland (Adams), a single specimen. 

 D. With spiral grooves. 



P. egesta, Gray (1849). 



Strongly spirally grooved, and with distant, irregular ribs. Eeddish 

 brown, sometimes mottled with yellowish. Diameter -17 inch. 



The animal and dentition are unknown. 



North Island.— Auckland (Greenwood, Cheeseman, Gillies). 

 Genus Thera, Hutton. 



Animal and jaw as in Patula. Shell conical, high, perforate, hairy ; 

 periphery angled. 



T. stipulata, Eeeve (1852) ; H. alpha, Pfeiffer (1851) ; H. barbatula, 

 Eeeve (1852) • H. beta, Pfeiffer (1851). 



Eibs distant, about 14 in the tenth of an inch, and striated between ; 

 apex obtuse; umbilicus moderate. Yellowish brown, often marked with 

 darker. Diameter -14 ; height -16 inch. Dentition, 12-1-12, 



North Island. — Petane, near Napier, 

 13 



