Hutton. — On New Zealand Land Mollusca. 201 



South Island. — Greymouth (Helms). 



Apparently allied to H. hystrix, Mighels, from the Sandwich Islands. 

 As the locality of H. zie-zac is uncertain, Gould first referring it to 

 Australia and then to New Zealand, it will he better to omit it alto- 

 gether. 



Genus Psyra, Hutton. 



Shell imperforate or narrowly umbilicated, ribbed, periphery rounded, 

 not hairy. Jaw and teeth as in Charopa. 



P. dimoepha, Pfeiffer (1851). 



Spire nearly flat ; umbilicus almost covered ; columella callous ; whorls 

 with distant smooth ribs, about 9 in the tenth of an inch. Pale horny 

 variegated with reddish-brown. Diameter '38 inch. ■ Dentition about 30- 

 1-30. 



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

 Kirk). 



P. CASSANDRA, Hutton (1883). 



Spire flatly conoiclal ; umbilicus very narrow ; columella slightly 

 thickened ; whorls finely ribbed ; ribs about 20 in the tenth of an inch. 

 Pale horny with longitudinal angulated bands of chestnut. Diameter 

 •5 inch. 



North Island. — Napier. 



P. venulata, Pfeiffer (1857). 



Spire slightly convex ; imperforate, the columella callous ; whorls 

 closely ribbed, about 23 ribs to the tenth of an inch. Horny brown, 

 sometimes variegated with reddish. Diameter *22 inch. Dentition, 

 17-1-17. 



South Island. — Western slopes of Mount Cook (Filhol) ; Greymouth 

 (Helms). 



P. tullia, Gray (1849). 



Spire slightly convex ; narrowly umbilicated, the umbilicus covered ; 

 whorls closely ribbed, ribs about 30 in the tenth of an inch. Horny, or 

 horny-brown obscurely marked with reddish, sometimes tessellated below. 

 Diameter *14 inch. 



North Island. — Auckland (Greenwood) ; Wellington. 



South Island. — Greymouth (Helms). 



P. adeiana, Hutton (1883). 



Spire flat, closely ribbed ; ribs about 40 in the tenth of an inch ; um- 

 bilicus narrow but open. Pale horny with spots and angular streaks of 

 chestnut. Diameter -16 inch. 



North Island. — Napier. 



South Island. — Banks Peninsula (E. Brown). 



