IV 
slowly increasing,—in the markings and in the colour; and also in 
the umbilicus. 
HELIX (PARYPHANTA) ITRNULA, Pfeiffer. 
Helix umula, Pfr., P.Z.S., 1854, p. 49; Reeve, Conch. Icon., No. 1306, 
pi. 187; Pfr., M.H.V., vol. 4, p. 8; vol. 5, p. 48, No. 4. 
Shell perforated, tho perforation covered, helicophantoidal, thin, sub- 
membranaceous, irregularly obliquely furrowed and malleated, a little 
shining, pellucid, green fuscous ; spire minute, conoidal, obtuse, pale ; 
suture rather deep; whorls 3, convex, very rapidly increasing, the last 
large, sub-compressed from behind, somewhat excavated at tho base; 
aperture oblique, truncatedly-oval, within very shining ; peristome simple, 
obtuse, sub-inllexed, margins approximating, columellar margin from 
above reflexed, adnate. 
Diam., greatest, 16; least, 13; height, 9 mill, 
Hab., New Zealand. 
HELIX (PARYPHANTA) OMEGA, Pfeiffer. 
Helix omega, Pfr., P.Z.S., 1849, p. 127; M.LI.V., vol. 3, p. 33 ; vol. 5, 
p. 54, No. 63. Nanina omega, Gray. Helix compressivoluta, Reeve. 
Shell imperforate, depressed, rather smooth, covered with a fuscous- 
hornv epidermis; spire slightly elevated, reddish on the crown ; whorls 
4, flattish, rapidly increasing, the last hardly more rounded at the base, 
impressed in the middle; aperture oblique, lunately-oval; peristome 
simple, straight, basal margin slightly arched, reflexed above, adnate in 
the umbilical region. 
Diam., greatest, 9|; least; 7; height, 31 mill, 
Hab., New Zealand. 
HELIX (PARYPHANTA) PHLOGOPHORA, Pfeiffer. 
Helix plilogophora, Pfr., P.Z.S., 1849, p. 127 ; M.H.V., vol. 3, p. 34; 
vol. 5, p. 54, No. 65. Nanina pldogophora, Gray. Helix multi- 
limbala, Jacq. et Homb., Yoy. an Pole Sud, pi. 6, figs. 5-8. 
Helixfiamtnigera , Pfr., 1852. 
Shell imperforate, depressed, very thin, finely striated, shining, 
pellucid, fulvous-yellow, adorned with angular flame-like markings, and 
rufous serrations, closely set together ; spire somewhat convex, scarcely 
elevated ; whorls 31, convex, rapidly increasing, the last not descending, 
depressed, flattish beneath, impressed in the middle; aperture diagonal, 
rotundly-oval; peristome simple, straight, columellar margin arcuated, 
ascending. 
Diam., greatest, 7 ; least, 6 ; height, 3| mill. 
Hab., New Zealand. 
