194 Transactions. — Zoology. 



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

 Queenstown (F.W.H.). 



Genus Rhagada, Albers. 



Shell imperforate, or sub-perforate, globose, striated ; whorls 4^-5^, the 

 last slightly descending in front ; aperture very oblique ; peristome lipped 

 within, somewhat expanded. 



E. kienga, Gray (1843). 



Shell perforated, the perforation covered. Whitish, with a chestnut 

 band, and many orange-coloured lines. Diameter '59 inch. 



North Island. — North Cape (Dr. Dieffenbach ?). 



I have not seen this species : it is closely related to H. dringi from N. 

 Australia. 



Genus Pruticicola, Held. 



Animal like Patula. Jaw with broad flat ribs. Shell narrowly umbili- 

 cated, depressly globose ; periphery rounded ; whorls 5-7, rather convex, 

 ribbed ; aperture broadly lunate ; peristome acute, its columellar margin 

 reflected. 



F. pilula, Eeeve (1852) ; H. iota, Pfeiffer (1851). 



Spire convex ; closely ribbed, ribs about 17 in the tenth of an inch ; 

 umbilicus open. Pale horny variegated with reddish-brown. Diameter 

 •29. Dentition, 27-1-27. 



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

 Wanganui and Wellington (T. W. Kirk). 

 Var. granum, Pfeiffer (1857). 



Spire conoidal, the ribs finer and closer, and the umbilicus narrower. 



South Island. — Eyreton, N. Canterbury (Chilton). 



The shell is very like that of Phacussa ; but it is greyer, slightly thicker, 

 and with stouter ribbing. 



F. chordata, Pfeiffer (1861). 



Spire conoidal, closely ribbed ; umbilicus covered. Diameter -15 inch. 



New Zealand (Hochstetter). 



I have not seen this species, unless it is the same as F. granum. 

 Genus Microphysa, Albers. 



Animal as in Patula. Jaw with numerous broad flat ribs. Shell 

 umbilicated, depressed, thin, delicately striate, scarcely shining ; whorls 

 4-5, gradually increasing ; aperture roundly lunate ; peristome thin, 

 simple. 



M. CAPUT-sPiNULiE, Eeeve (1852) ; H. epsilon, Pfeiffer (1851). 



Pale horny ; umbilicus rather narrow ; whorls 3^, membranous ribs 

 about 30 in the tenth of an inch. Diameter -07 inch. 



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



