. Annals of the New York Academy of Sciences. Science. Xew Species of Triodopsis. 115 V.—Description of a Neiv Species of Triodopsis, from Nerc Mexico. BY THOMAS BLAND. Read November 22d, 1880. Triodopsis Levettei, nov. sp. Testa umbilicata, orbiculato-convexa, tenuis, nitens, translucens, leviter et irregulariter oblique striata, castanea, superne pallescens ; spira vix elevata, apice obtusa ; sutura impressa ; anfr. 7 convexiusculi, lente accres- centes, ultimus antice breviter depressus, spiraliter subobsolete striatus, pone aperturam constrictus, subscrobiculatus, basi subconvexus; umbilic


. Annals of the New York Academy of Sciences. Science. Xew Species of Triodopsis. 115 V.—Description of a Neiv Species of Triodopsis, from Nerc Mexico. BY THOMAS BLAND. Read November 22d, 1880. Triodopsis Levettei, nov. sp. Testa umbilicata, orbiculato-convexa, tenuis, nitens, translucens, leviter et irregulariter oblique striata, castanea, superne pallescens ; spira vix elevata, apice obtusa ; sutura impressa ; anfr. 7 convexiusculi, lente accres- centes, ultimus antice breviter depressus, spiraliter subobsolete striatus, pone aperturam constrictus, subscrobiculatus, basi subconvexus; umbilicus mediocris (J- diametri), pervius; apertura perobliqua, subcircularis, dente albo, valido, flexuoso, transverso, in pariete aperturali intrante coarctata ; peristoma reflexum, pallide castaneum, intus callosum, marginibus callo tenuissimo junctis, margine dextro dente albo, obtuso, erecto, submar- ginali, basali dentibus duobus, albis, transversis, supero majore, iustructo. Diam. maj. 16, min. 15, alt. 6J ; apert., perist. incluso, long. 7, lat. 8 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York Academy of Sciences. New York, New York Academy of Sciences


Size: 1502px × 1663px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1877