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Journal de conchyliologie

Journal de conchyliologie

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— 09 —<br />

aiifracliium minore (0 nec 12), anfraciu penultimo subin-<br />

flato, colore saluraie violaceo-fusco nec corneo, testa parum<br />

nilente nec sericma, lunella indistincta et lamella<br />

infera eîihersu, medio peculiariter nodulosa distinguenda.<br />

Murjnitndine cœteras Clausilins viventes hactenus notas,<br />

ejcsuperat. Specimina 3 rcperta sunt.<br />

(Icnus noviim RAVENIA, Crosse. 1873.<br />

Testa imperforala, turrita, tennis, translucida, longi-<br />

tudinaliter striata; spira elongaia, apice obtuso ; sutura<br />

iinpressa; anfractiis lente accrescentes, ultimus spita<br />

mulLo minor; apertura snbverticalis, subauriformis ; pé-<br />

ris tonia haud continuum, subincrassatum, nuirginibus<br />

disjunctis, columellari spira tim contorto, basali rotun-<br />

dato, externo medio in/lexo, angulatim prominulo, <strong>de</strong>n~<br />

tem validum, apertia-am coarctantem intus emittente.<br />

Obs. Forma excentrica, inter Spiraxes et Pupas aper-<br />

tura quasi média, margine externo, medio peculiariter<br />

pî'ominulo, ut in Hélice Macgillivrayi et in Glandina leu-<br />

cozonia, insicjnis.<br />

5. Ravenia IBlandi, Crosse.<br />

T. imperforala, turrita^ tennis, translucida, subhya-<br />

iina, striis leviter flexuosis longitudinaliter impressa<br />

palli<strong>de</strong> corneo-lutescens ; spira elongata, apice obtuso,<br />

rotundato ; satura impressa ; anfractus 8 vix convexius-<br />

culi, lente accrescentes, ultimus spira multo minor; aper-<br />

tura subverticalis, subauriformis^ intus concolor; peri-<br />

stoma haud continuum, subincrassatum, album, margini-<br />

bus disjunctis., columellari spiratim contorto, basali<br />

rotundato, externo medio inflexo, angulatim prominulo.<br />

^

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