xiii 
•with impressed spiral furrows and oblique striae ; spire depressed; suture 
distinct; whorls 5, flatly-convex, the last rounded; aperture lunar; 
peristome simple, acute. 
Height, 31- mill. 
Hah., New Zealand. 
HELIX (PARYPHANTA) JEFFREYSIANA, Pfeiffer. 
Helix Jeffreysiana, Pfr., P.Z.S., 1851 ; M.H.Y., vol. 3, p. 105 ; vol. 5, 
p. 169, No. 878. Nanina Jeffreysiana, Gray. 
Shell umbilicated, depressed, thin, distinctly striated, pellucid, luteous, 
adorned with lively-coloured chestnut streaks, disposed in bundles; 
spire flat; suture impressed, irregularly finely plaited ; whorls 4, rather 
convex, the last sub-depressed, rounded, not descending; umbilicus 
broad, opened; aperture slightly oblique, lunately-oval; peristome 
straight, simple, margins nearly uniting. 
Diam., greatest, 7 ; least, 5|; height, 3 mill. 
Hab., New Zealand (Strange). 
HELIX NOVARiE, Pfeiffer. 
Helix Hovarce, Pfr., Malak. Bl., viii., 1861, p. 148; M.II.V., vol. 5, 
p. 169, No. 882. 
Shell somewhat narrowly umbilicated, depressed, thin, somewhat 
smooth, finely striated at the suture, pellucid, shining, pale yellowish- 
horny ; spire flat; suture simple, scarcely impressed; whorls 4, rather 
convex, gradually increasing, the last depressed, not descending ; aperture 
somewhat greater, slightly oblique, lunar; peristome simple, straight, 
margins sub-converging, columellar margin above shortly expanded. 
Diam., greatest, 6 ; least, 5) t -; height, 2\ mill. 
Hab., Bay of Islands, New Zealand (Hochstetter). 
N.B.—Yery closely allied to II. remotee, Benson. 
HELIX (CHAROPA) IDE, Gray. 
Helix Ide, Gray, P.Z.S., 1849, p. 166 ; Pfr., M.H.Y., vol. 3, p. 108 ; 
vol. 5, p. 172, No. 911. 
Shell umbilicated, depressed, thin, arcuately-ribbed, pilose, pale horny, 
radiated with brown ; spire flat, sub-impressed in the middle ; suture 
impressed; whorls 5£, rather convex, slowly increasing,the last some¬ 
what rounded, not descending ; umbilicus moderate, pervious ; aperture 
slightly oblique, rotundately-lunar ; peristome simple, straight, margins 
very remote, columellar margin short, greatly arched. 
Diam, greatest, 8 ; least, 7 ; height, almost 4 mill. 
Hab., Auckland, New Zealand. 
HELIX BICONCAYA, Pfeiffer. 
Ilelix biconcava, Pfr., P.Z.S., 1851 ; M.H.Y., vol. 3, p. 109; vol. 5, 
p. 173, No. 917. 
Shell umbilicated, depressed, closely arcuately-ribbed, opaque, horny- 
