192 Transactions. — Zoology. 



Its reported occurrence in Tasmania is incorrect. 



P. lucetta, Hutton (1883) ; H. coma, Pfeiffer [not of Gray] . 



Bibs rather distant, about 15 in the tenth of an inch; spire convex; 

 periphery obscurely angled. Pale brown, obscurely spotted. Diameter 

 •28 inch. Dentition, 14-1-14. 



North Island.— Hawke's Bay (Colenso) ; Wellington (F.W.H.). 



P. varicosa, Pfeiffer (1854). 



Umbilicus moderate ; spire slightly elevated, finely striated and " vari- 

 cosely angled with distant ribs." Fuscous. Diameter "14 inch. 



New Zealand (Strange or Cuming). 



I have not been able to make this species out. 



P. buccinella, Keeve (1852) ; P. gamma, Pfeiffer (1851). 



Kibs close, about 30 in the tenth of an inch ; spire flat. Pale brown, 

 banded or clouded with dark brown. Diameter '14 inch. Dentition, 

 10-1-10. 



North Island. — Auckland (Cheeseman, Gillies) ; Petane, near Napier. 



South Island. — Dunedin (F.W.H.). 



P. corniculum, Eeeve (1852); H. eta, Pfeiffer (1851); not H. corniculum, 

 Hombron and Jacquinot (1854). 



Kibs very close, about 40 in the tenth of an inch. White, silky. Dia- 

 meter -14 inch. Dentition, 14-1-14. 



North Island. — Auckland (Cheeseman, Gillies) ; Petane, near Napier. 



South Island. — Oxford and Christchurch (Chilton). 



P. bianca, Hutton (1883). 



Minute. Eibs very close, about 55 in the tenth of an inch. Horny 

 brown, banded with darker. Diameter *1 inch. 



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



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



P. anguicula, Eeeve (1852) ; H. theta, Pfeiffer. 



Eibs close, about 33 in the tenth of an inch ; aperture subcircular. 

 Dark brownish with rufous streaks. Diameter -10 inch. Dentition, 11-1-11. 



North Island. — Auckland (Cheeseman). 



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



Auckland Islands (H. Krone). 



B. Eibs on upper surface sinuated. 



P. timandea, Hutton (1883). 



Eibs distant, about 13 in the tenth of an inch. Brown, obscurely 

 banded with paler. Diameter -12 inch. 



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



P. jessica, Hutton (1883). 



Eibs close, about 35 in the tenth of an inch. Dark reddish brown, 

 marked with horny. Diameter -17 inch. 



