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gata, basi vix perforata, albida, vel fulva, transversa 

 tenue striata, anfractibus convexis, ultimo maiore; aper- 

 tura ovata, superne angulata, intus alba; labro simplici, 

 operculo paucispirato , convexo, ad peripberiam plicato. 

 Mich, catal. d. coq. d' Alger. p. 10. no. 1. f. 21—22. 

 Fig. .15. Cyclostoma ferrugineum Lam. testa imperfo- 

 rata, ovato-turrita, obtusata, spiraliter costulata, lutescenti- 

 albida, transverse fusco-variegata ; anfractibus convexis; 

 suturis leviter excavatis; apertura ovato-rotunda; peristo- 

 mate continuo, simplici, patulo; operculo parum immerso, 

 paucispiro. Rossm. Icon. V. VI. S. 49. 



