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Journal de conchyliologie

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— 143 —<br />

rotundato; sutura profun<strong>de</strong> impressa; anfractus 6 pla-<br />

niusculi^ embryonales primi 2 1/2 lœvigati, cornet, ulti-<br />

mus ad suturam spiraliter trisiilcatus, paulo infra peri-<br />

pheriam fusco cingulatus, spiram subœquans, hasi rotun-<br />

datus ; apertura vix obliqua, angulato-ovata, intus albida,<br />

zona anfractus ultimi transmeante; peristoma simplex,<br />

albidum, marginibus callo tenui, parum conspicuo junctis,<br />

cohimellari expansiusculo, basali et externo subacutis ;<br />

umbilicus carina funiculiformi, albida circumscriptus.<br />

—Operculum? Long. 6, diam. maj. 3 5/3 mill. (Coll. Des-<br />

mazures.)<br />

Habitat, in insula Rodriguez dicta. (A. Desmazures.)<br />

13. Omphalotropis littorindla, Crosse.<br />

T. perforata, elongato-conica^ solidula, liris confertis,<br />

subœqualibus spiraliter sculpta, parum nilens, fascescens,<br />

albido minute et obscure variegata; spira elongato-conica,<br />

apice obtusulo; sutura impressa; anfractus 6 vix con-<br />

vexiusculi, embryonales primi 2 nitiduli, lœvigati, viola-<br />

ceo-fusci, ultimus spira paulo minor, basi rotundatus<br />

apertura subverticalis, angulato-ovata, intus concolor;<br />

peristoma simplex, fuscescens, marginibus callo tenui<br />

junctis, columellari expansiusculo, basali et externo sub-<br />

acutis; umbilicus carina funiculiformi, sordi<strong>de</strong> albida<br />

circumscriptus. — Operculum? — Long. 1, diam. maj.<br />

3 \i%mill. (Coll. Desmazures.)<br />

Habitat in insula Rodriguez dicta. (A. Desmazures.)<br />

Obs. Species 0. multiliralœ Pfeifferi et 0. costellatœ<br />

Adamsi sat vicina, sed gi'acilior et litHs confertis, sub-<br />

œqualibus distinguenda.<br />

14, Omphalotropis Hameliana, Crosse.<br />

T. perforata, elongato-conica, tenuiusculu, parum nitens,

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