210 Transactions. — Zoology. 
L. panuma, Hutton (1888). 
Conical, pale brown, with a pale plicated epidermis ; Serlatonta 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. ovrona, 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 -— 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. Rufous. Axis 
:87 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. cmorDara, Pfeiffer (1855). 
Shell sinistral, thin, distantly ribbed; diaphanous, white. Axis ‘16 inch. 
New Zealand (Strange). 
I have not seen this species. A variety occurs at Lord Howe’s Island. 
Fam. Cyclostomide. 
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, 
