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Journal de conchyliologie

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— 320 —<br />

ces caraclères n'olï're peut-être pas une gran<strong>de</strong> solidité ;<br />

le second peut avoir plus <strong>de</strong> valeur. II faut attendre, pour<br />

déci<strong>de</strong>r, que l'espèce soit un peu mieux connue.<br />

A. M.<br />

iVoYitates Conciiyiioiosirie in itinei'c per<br />

Africain leqiiinoctialeiit a CI. IVIarcBic ct<br />

lie Coni|iiè^nc collccloe,<br />

AUCTORE H. MORELET.<br />

i. Hélix palmardm.<br />

T.perforata, tiirbinata, te7iuis,cornea, nitens, minulim<br />

capillaceo-striata ; spira conica, aculula; anf'r. 7 con-<br />

vexinsculi, priores distinctius striati^ sequentes sub lente<br />

<strong>de</strong>cussati, ultimus acute carinatus, basi convexus et lœvi-<br />

galîis ; sutura exiliter murginuta; apert. securiformis ;<br />

perist. aculum, rectum, margine columellari superne<br />

reflexiusculo. — Diam. maj. 5, min. k^allit. 5 mill.<br />

Habitat in prov. Gabon, Africœ occi<strong>de</strong>ntaiis. Ab IL<br />

Adansoniœ spira minus elata, apice ucutiore et sculptura<br />

bene distincta.<br />

2. Hélix seminium.<br />

T. purvula, imperforata, obtuse turbinata, tennis, rufo-<br />

cornea, 'parum nitens, omnino glabra; anfr. 4 1/2-5 con-<br />

vexiusculi, ultimus leviter <strong>de</strong>pressus, subtus convexiov et<br />

nitidior; apert. obliqua^ <strong>de</strong>presse lunaris, marginibussim-<br />

plicibus, redis, columellari superne vix rc/lcxlusculo. —<<br />

Diain. maj. 3 1/3, min, 3. altit, 3 milt.

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