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Journal de conchyliologie

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— 138 —<br />

oblique striata, suh striis hic et illic fere inconspicue liris<br />

tenuissimis <strong>de</strong>cussata, olivaceo-fusca ; spira breviter CO'<br />

nica, apice obtusulo ; sutura impressa; anfractus 5 ij'ivix<br />

convexiusculi, ultimus ad peripheriam obtuse angulatus,<br />

basi sublœvigatns; apertura vix obliqua^ lunato-rotun-<br />

data, intus livida; peristoma simplex, margine colu-<br />

mellari superne breviter dilatato^ rimam umbilici fere<br />

ohtegente, externo subacuto.— Diam. maj. 12, min. 10,<br />

ait. 7 mill. (Coll. Desmazures.)<br />

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

4. GONOSPIRA DUPONTIANA, CfOSSC.<br />

T. profun<strong>de</strong> rimata, subcylindracea, paululum inflata,<br />

tenuiuscula, oblique et confertim costulata, parum nitida,<br />

livi<strong>de</strong> albida; spira in conum brevem <strong>de</strong>sinens, apice ro-<br />

tundato, obtusulo; sutura impressa; anfractus 7 1/2 vix<br />

convexiusculi, embryonales primi \ 1/2 sublœvigati, se-<br />

quens tenuissime striatus, antepenultimus et penultimus<br />

subitiflati, ultimus ascen<strong>de</strong>ns^ spira paulo minor (:: 8 : 1 1),<br />

basi rotundatus ; apertura vix obliqua^ subovato -pirifor<br />

mis, intus albida; peristoma simplex , breviter expansiwi,<br />

albidum, marginibus callo crassiusculo junctis, columellari<br />

subdilatato, basali et externo vix reftexiusculis.—<br />

Long. 19, diam. maj. 10 mill. Apertura 8 mill. lotiga,<br />

6 lata. (Coll. Desmazures.)<br />

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

Obs. Species Pupœ modiolo Ferussaci sat vicina, sed<br />

magis ventricosa, brevior, apertura majore, subobliqua et<br />

marginibus minus expansis, callo crassiusculo junctis<br />

distinguenda.<br />

5. GONOSPIRA RODRIGUEZENSIS, Grossc.<br />

T. rim>ata, oblongo-ovalis, subcylindracea, tenuiuscula,<br />

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