210 Transactions. — Zoology. 



L. pallida, Huttou (1883). 



Conical, pale brown, with a pale plicated epidermis ; peristome single. 

 Diameter *13 ; height *2 inch. 



North Island. — Auckland (Cheeseman). 



Genus Cyclophorus, Montford. 



Shell globosely turbinated or depressed ; umbilicated ; aperture cir- 

 cular ; peristome continuous. Operculum circular. 



C. lignarius, Pfeiffer (1857). 



Shell turbinated, rather thin, covered with an opaque epidermis ; aper- 

 ture ovately rotund ; peristome double. Operculum unknown. 



Axis '16 ; breadth *2 inch. 



New Zealand. 



I have not seen this species. 



C. oytora, Gray (1849). 



Minute, trochiform, spirally striated ; periphery rounded ; brown. 

 Operculum horny, of a few rapidly-enlarging whorls (?). 



Axis *08 ; breadth -1 inch. 



North Island. — Auckland (Greenwood). 



I have not seen this species. 



Genus Paxillus, Adams. 



Shell pupiform, spire acuminate ; aperture semiovate, ascending on the 

 body- whorl ; umbilical region with a spiral ridge ; inner lip with a spiral 

 fold ; peristome double. 



P. PEREGRINA, Gould (1848). 



Shell sinistral, solid, perforated; whorls 8, flattened. Kufous. Axis 

 •37 inch. 



New Zealand (Gould). 



I have not seen this species. 



Genus Diplommatina, Benson. 



Shell subovate, whorls convex, the last subascendent ; inner lip with a 

 spiral fold ; aperture subcircular ; peristome double. 



D. chordata, Pfeiffer (1855). 



Shell sinistral, thin, distantly ribbed ; diaphanous, white. Axis -16 inch. 



Neiv Zealand (Strange). 



I have not seen this species. A variety occurs at Lord Howe's Island. 



Fam. CyclostomidtE. 

 Operculum ovate, of a few more or less rapidly-enlarging whorls, the 

 nucleus eccentric. 



Genus Omphalotropis, Pfeiffer. 

 Shell sub-conical, imperforate or umbilicated ; simple or keeled round 

 the perforation ; aperture oval ; peristome simple, the margins disjoined. 



