177 
Systrophia alcidiana Ancey. 
„This new species, fonnd at Corumba, Matto-Grosso, is very near to S. cheilostropha d’Orb.,aBo- 
livian shell, bnt is smaller (diam 6,5 alt. 2.25 mm), has only fine regulär crowded striae (not ribs) above, 
less sinuous aperture, the teeth on the lip being very small, and possesses only six volutions at most, not 
6 ^ 2 — 7. The colonr in the only specimen observed is white. 
Systrophia alcidiana Ancey, in: J. of Conchol. 1892 vol. 7 p. 91. 
Noch nicht abgebildet. 
I. 12b. II. Theil. 
80. YI1I. 1906. 
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