XI 
HELIX (CHAROPA) VARICOSA, Pfeiffer. 
Helix varicosa, Pfr., P.Z.S., 1854; vol. 3, p. 97; vol. 5, p. 153, 
No. 762. 
Shell umbilicated, depressed, very thin, finely striated, varicosely- 
angled with distant ribs, not shining, fuscous ; spire slightly elevated, 
obtuse; whorls 4^-5, fkttish, the last not descending, depressed, fkttish 
at the base; umbilicus moderate, pervious; aperture small, oblique, 
lunar; peristome simple, straight, columellar margin above very slightly 
reflexed. 
Diam., greatest, 3> ; least, 3|; height, scarcely 2 mill. 
Hab., New Zealand (Strange). 
HELIX (CHAROPA) EPSILON, Pfeiffer. 
Helix epsilon, Pfr., P.Z.S., 1851 ; M.H,Y., vol. 3, p. 97; vol. 5, p. 153, 
No. 763. 
Shell umbilicated, depressed, thin, obliquely and closely plaited above, 
pale horny ; spire rather convex; whorls 31, rather convex, the last not 
descending, somewhat smooth at the base; umbilicus narrow, pervious ; 
aperture a little oblique, rotundately-lunar ; peristome simple, straight, 
margins converging. 
Diam., greatest, If ; least, 1 } ; height, § mill. 
Hab., New Zealand. 
HELIX (ENDODONTA) TIARA, Mighels. 
Helix tiara, Mighels, Boston Proc., 1845, p. 19 ; Pfr., M.H.V., vol. 1, 
p. 85; vol. 3, p. 98 ; vol 5, p. 156, No. 783. 
Shell umbilicated, slightly convexly depressed, somewhat thin, above 
arcuately-striated, luteous, adorned with lightning-like rufous streaks, 
rather shining; 'spire clearly arched over, obtuse; whorls 6, rather 
convex, slowly increasing, the last somewhat tapering, not descending, 
slightly striated beneath ; umbilicus large, conical, exceeding one-third 
of the diameter; aperture oblique, lunately-r-ounded, sub-opalescent 
within ; peristome simple, straight, margins approximating, right margin 
arcuated in front, columellar margin not reflexed. 
Diam., greatest, 8 ; least, 7 ; height, 4 mill. 
Hab., Bay of Islands, New Zealand (Hochstetter) ; Kaui, Sandwich 
Islands (Mighels). 
HELIX (CHAROPA) COMA, Gray. 
Zonites coma, Gray, Dieff. Trav., vol. 1, p. 263. Helix coma, Pfr., 
M.H.V, vol. 3, p. 99 ; vol. 5, p. 156, No. 792. 
Shell umbilicated, depressed, rather thin, obliquely closely ribbed, 
slightly shining, pale fuscous, sub-radiated with brown spots; spire a 
little elevated, flatly convex ; whorls 5, rather convex, slowly increasing, 
the last obscurely angled, not descending anteriority ; umbilicus broad, 
r 
