XXVI 
The following have also been said by Professor Macalister to occur 
in New Zealand. 
HELIX CONIFORMIS, Ferrusac. 
Helix coniformis (Helicostyla), Fer. pr., 321, Hist., pi. 108, fig. 1; Wood., 
Suppl., pi. T, fig. 20; Lamarck, ed. Dll., 160, p. 103. Helix tur- 
binata, Desli., Encycl. Metk., 11, p. 265, No. 150. Helix Tuffetii, 
Lesson, A'oy. de la Coq.,p. 313, pi. 10, fig. 3. Geolroclius Tovffelii, 
Beck, ind., p. 47. 
Shell imperforate, orkicularly-conoidal, smootk, whitish-fuscous, orna¬ 
mented with fuscous bands, often articulated ; suture deep ; wkorls 5, 
convex, tke last ratker flat beneatk, descending anteriorly; aperture 
very oblique, large, oval; peristome white, tliin, broadly expanded, 
margins closely united, basal margin reflexed, columellar margin dilated, 
adpressed. 
Diam., greatest, 24; least, 18; height, 18 mill. 
Hab., New Ireland. 
HELIX HYSTRIX, Mighels. 
Helix hystrix, Migh., Pfr., M.H.V., vol. 1, p .116; vol. 5, p. 222, 
No. 1330. Helix seligera, Gould. Sched. 
Shell umbilicated, depressed, sub-discoidal, regularly ribbed, horny- 
luteous, hirsute, hairs straight, rigid, deciduous, rufously tessellated 
above ; spire flat, sub-immersed in the middle; whorls 5, convex, the 
last descending, decussated at the base with raised lines, sometimes very 
obscure; umbilicus broad, perspective ; aperture lunately-subcircular ; 
peristome simple, acute. 
Hab., Sandwich Islands ; Wahoo. 
HELIX RADIARIA, Pfeiffer. 
Helix radiana, Pfr., P.Z.S., 1854, p. 55; M.H.V., vol. 4, p. 166; 
vol. 5, p. 234, No. 1414; Reeve, Conch. Icon., No. 1322, pi. 189. 
Shell perforated, perforation somewhat covered, trochiformed, rather 
thin, finely striated, a little shining, diaphanous, yellowish-white, 
irregularly marked above with light red streaks ; spiro conoidal, apex 
rather obtuse ; whorls 51, rather convex, gradually increasing, the last 
not descending, very obscurely angled at the periphery, one-coloured, and 
flattisk beneath; aperture nearly diagonal, lunar, shining within; 
peristome somewhat simple, margin remote, the right margin forwardly 
dilated, straight, basal margin thick, bent downwards, somewhat dilated 
above. 
Diam., greatest, 10; least, 9 ; height, 7 mill. 
Hab., Solomon Islands. 
