Vll 
HELIX FATUA, Pfeiffer. 
Helixfatua, Pfr., P.Z.S., 1857, p. 107 ; M.H.Y., vol. 4, p. 30; vol. 5, 
p. 80, No. 243. 
Shell perforated, turbinated, tluimisli, irregularly finely striated, some¬ 
what shining, fulvous; spire eonoidnl, rather acute; whorls 5-5|, 
moderately convex, the last not descending, periphery sub-carinated, 
rather convex at the base; aperture a little oblique, lunar; peristome 
simple, Straight, coluruellar margin somewhat rigidly bent downwards. 
Diam., greatest, 5 ; least, 44 ; height 2J mill. 
Hab., Taupiri, New Zealand (Hochstetter). 
HELIX ZEL ANDRE, Gray. 
Carocolla Zelandim, Gray, Dieff. Trav., vol. 1, p. 247. Nanina Hows 
Ze.landice, Gray. Helix Zelandice, Pfr., M.H.Y., vol. 1, p. 81 ; 
vol. 5, p. 85, No. 26G. 
Shell perforated,- depressed, turbiniformed, pale horny, pellucid, 
variegated with rufous spots, minutely finely striated; spire convex ; 
whorl? 5, flattened, the last keeled, convex ; umbilicus deep ; peristome 
simple, acute. 
Diam., greatest, 9J ; least 9 ; height, 5J mill. 
Hab., New Zealand. 
HELIX REGULAR1S, Pfeiffer. 
Helix reqularis, Pfr., P.Z.S., 1854, p. 50 ; M.H.Y., vol 4, p. 33 ; \ol. o, 
p. 80, No. 277 ; Reeve, Conch. Icon., No. 1259, pi. 182. _ 
Shell perforated, the perforation partially covered, regularly coniform, 
thin, very minutely striated, pellucid, viscously glossy, luteous, horny ; 
spire conical, rather acute ; suture scarcely impressed ; whorls 6, flattish, 
slowly increasing, the last not descending, acutely keeled, flattish beneath , 
aperture diagonal, depressly-securiformed; peristome simple, straight, 
margins remote, columellar margin dilated above, sub-adnate. 
Diam., 3 ; height, 3 mill. 
Hab., New Zealand. 
HELIX (THALASSIA) ERIGONE, Gray. 
Hanina Erigone, Gray, P.Z.S., 1849, p. 105. Helix Erigone, Pfr., 
M.H.Y., vol. 3, p. 00 ; vol. 5, p. 80, No. 278. 
Shell perforated, conical, thin, smooth, keeled, pellucid, fulvous, 
obscurely streaked with red flame-like markings ; spire conical, rather 
acute; whorls 0-7, slightly convex, the last flattish beneath the sub¬ 
acute keel; aperture a little oblique, depressed, sub-angularly lunar; 
peristome simple, straight, columellar margin short, sub-callous, rather 
reflexed. 
Diam., greatest, 21; height, 2 mill. 
Hab., Auckland, New Zealand. 
