OCR Text |
Show 724 DR. J. C. COX ON NEW AUSTRALIAN LAND-SHELLS. [Julie 27, not very closely allied to either. The red markings are very characteristic. 6. HELIX PENOLENSIS, mihi. H. testa, umbilicata, subgloboso-depressa, tenuiuscula, striatula, pallide cornea, nitidiuscula ; spira late et obtuse conica ; anfr.4, planato-convexis,ultimo obtuse carinato, non descendente, subtus convexiore; apertura angulato-lunari; peristomate simplici, recto, margine dextro vix curvato, ad carinam angulato, turn arcuato, fere semicirculum form ante, columellari superne calloso, breviter dilatato, et paululum refiexo, umbilicum parvum semitegente. Diam. maj. 0*15, min. 0*13, alt. 0*08 une. Hab. Penola, South Australia (Rev. J. E. Terrison Woods). A rather dull, horny, broadly semiconical species, allied to H. tur-riculata, mihi. 7. HELIX TURRICULATA, mihi. H. testa minute umbilicata, semigloboso-conoidea, pallide corneo-vitrea, nitidiuscula, tenuissima, undique tenuiter striatula; spira conica, obtusa; anfr. 6, lente accrescentibus, convexiusculis, ultimo carinato, non descendente, basi leviter declivi, striatulo ut supra, sed nitidiore ; apertura modice obliqua, an-gulato- lunata ; peristomate simplici, tenui, antice leviter angulato, margine columellari supra modice dilatato et fornicatim expanso. Diam. maj. 015, min. 0*13, alt. 0*10 une. Hab. Miriam Vale, Port Curtis, Queensland. A delicate, glassy, conical species, the very regular spire of which is thrice as high as the base. It may be regarded as belonging to the section Conulus, and is nearly allied to the less trochiform and hyaline, but more coarsely sculptured H. umbraculorum, Cox. 8. HELIX AVIDORUM, mihi. II. testa profunde umbilicata, depresso-globosa, tenui, parum nitente, radiatim rugoso-striata, et (sub lente) subtilissime granulata, corneo-lutescente,- spira parva, late depressa; apice obtusa, sutura impressa ; anfr. 4\, convexis, ultimo peramplo, rotundato, tumido, basi pallidiore et leeviore ; apertura lunato-circulari, peristomate tenui, recto, reflexo, marginibus conniventibus, columellari basi modice dilatato, umbilici semissem ob-tegente. Diam. maj. 0*55, min. 0*d5, alt. 0*30 une. Hab. Clarence River, New South Wales (under logs in open iron-bark ranges, burrowing in wet weather) (MacGillivray) ; Brisbane, Queensland (Masters). 9. HELIX MARCESCENS, mihi. II. testa anguste et profunde umbilicata, depresso-orbiculari, tenui, translucente, nitidiuscula, fevissime rugoso-striata et (sub lente) |