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Show 162 Mil. HARPER PEASE ON POLYNESIAN LAND-SHELLS. [May 2, longitudinaliter flexuose forte costata, rufescens; anfr. 4, rotundato- convexi, ultimus concentrice valde bisulcatus, basi compressus; apex obtusus; sutura valde impressa; apertura campa-nulata, basi rotundata, lamellis 4 munita, in pariete aperturali 2, primo cum labro continuo, secundo mediano, intrante, in margine basali 1, labiali postice 1, labro flexuoso ; peristoma tenue, marginibus disjunctis. Alt. 2, diam. 1 mill. Hab. Insula Hawaii. VERTIGO PERLONGA, Pse. T. elongata, cylindrica, rimato-perforata, dextrorsa, pallide stra-minea, longitudinaliter filo-costata, costis obliquis, remotis, flexuosis ; spira obtusa; sutura impressa; anfr. 5, planulati, ultimus medio concentrice sulcatus, prope basin indentatus; basi compressus, circa umbilicum rotundato-angulatus; apertura subqua-drangularis, vix porrecta, basi contracta, rotundata, postice bilamellata, labro superne sinuoso, unilamellata; peristoma continuum vix ever sum. Alt. 2\, diam. 1 mill. Hab. Insula Oahu. VERTIGO DENTIFERA, Pse. T. cylindrica, solidiuscula, perforata, dextrorsa, longitudinaliter oblique tenuissime striata, rufo- aut flavo-castanea; anfr. 4, con-vexo- rotundati, ultimus prope labrum brevi-bisulcatus; apertura fere circularis, postice biplicata, columella uniplicata, basi trivet quadridentata, labro vix reflexo,- peristoma crassiusculum, non continuum. Alt. If, diam. 1 mill. Hab. Insula Boratonga. VERTIGO COSTULOSA, Pse. T. obtuso-ovata, interdum fere globosa, tenuis, perforata, dextrorsa, vix nitida, oblicque et sparsim filo-costata; anfr. 4, rotundato-convexi, tumidi, ultimus prope labrum, interdum brevi-bisulcatus ; apex obtusus; sutura valde impressa; apertura fere circularis, dentibus 5-6 coarctata, in pariete aperturali 2, primo juxta labrum, secundo maxima, prominente, lamelliformi, intrante, in margine columellari 1, in marginibus basali et externo, 2-3 profundo sitis; peristoma subreflexum, crassiusculum, marginibus plerumque callo junctis; rufo- vel flavo-cornea. Alt. If, diam. 1 mill. Hab. Insula Hawaii. VERTIGO BACCA, Pse. T. cylindracea, abbreviata, tenuiuscula, dextrorsa, perforata, laevigata ; apex obtusus; anfr. 4, rotundati, ultimus concentrice bisulcatus; apertura fere circularis; in pariete aperturali bilamellata, columella unidentata ; labrum vix eversum ; pallide fusca. Hab. Kalapana, Insula Hawaii. |