696 DR.J.C. COX ON NEW AUSTRALIAN LAND-SHELLS. [Nov. 28, 
HELIX URARENSIS. 
H. testa late et perspective umbilicata, depresso-circulari, tenut, 
nitida, epidermide flavo-cornea induta, creberrime et trregula- 
riter elevato-striata, supra crasse, infra tenuiter; spira vie 
prominente, apice depresso; anfractibus quatuor et semisse, 
gradatim increscentibus, modice convexis, ultimo carinato ; 
apertura obliqua, lunari-circulari, peristomate tenui, modice 
expanso, et ad columellam dilatato. 
Diam. maj. 0°30, min. 0°25, alt. 0-15 une. 
Hab. Urara, Clarence River (Macgillivray). 
Allied to H. strangeoides, but not closely, being more coarsely 
sculptured, and in the mode of increase of the whorls being very dif- 
ferent from it and the others of the same section—Helices ptychom- 
phala, franklandiensis, strangei, assimilans, &c. 
HELIX GREENHILLI. 
H. testa umbilicata, globoso-turbinata, levigata, obsolete striata, 
lineolis undulatis minutissimis confertis sub lente manifestis, 
rufo-castanea, subtus viridi-fulva ; anfractibus sex, ultimo per- 
amplo convexo, ceteris convexiusculis ; apertura lunato-sub- 
circuluri, peristomate tenui, modice reflexo, columella basi di- 
latata umbilicum fere obtegente, labro intra albido, extra 
viridi-fulvo. 
Diam. maj. 1°2, min. 1, alt. 0°9 unc. 
Hab. Upper Dawson River, Queensland (Greenhill). 
Allied to H. grayi, H. gilberti, &c. 
HELIX SPLENDESCENS. 
H. testa obtecte perforata, globoso-conica, tenui, pellucida, levi- 
gata, polita, castanea, ad os juxtaque locum solitum carine 
- saturatiore, fascia albida infra suturam, et subtus fasciis dua- 
bus albidis latioribus; spira eonica, apice albo; anfractibus 
sex, subplanatis, ultimo ad os supra planato, convexo, obsole- 
tissime carinato, antice producto; apertura perobliqua, rotundo- 
elongata, antice subsinuata, peristomate tenui, reflexo, ad colu- 
mellam rectam expanso, castaneo, albo anguste marginato. 
Diam. maj. 0°95, min. 0°80, alt. 1°10 une. 
Hab. Salomon Islands (Turner). 
HELIX NAUTILOIDES. 
H. testa obtecte perforata, orbiculari, depressa, regulariter cos- 
tulata, epidermide rufo-cornea induta ; spira planata, sutura 
impressa ; anfractibus quatuor et dimidio, convexiusculis, ul- 
timo tumido, supra ad suturam convexo, et ad os leviter pla- 
nulato; apertura obliqua, lunato-ovata, intus margaritacea, 
margine externo supra subsinuato columellarique umbilicum 
demum obtegente, peristomate simplici. 
Diam. maj. 0°23, min. 0°19, alt. 0°12 une. 
Hab. Clarence River, New South Wales (under stones and logs 
on ironbark ridges) (Macgillivray). 
