DEAN: THE CLAUSIUM IN ALOI'IA. 267 



lobe short and not produced, inner lobe narrow, convex, solid, 

 very produced and tusk-like. Summit of Piatra Mare, Transyl- 

 vania. Plate 6, figure 8. 



lischkeatia Parr. — Clausium dextral, fragile, spatula narrow, outer 

 lobe short, slightly produced, orifice broad, inner lobe narrow, 

 solid, spirally deflected. Propasta Schlucht, Transylvania. Plate 

 6, figure 9. 



fussiana E. A. Bielz. — -I give examples from the two forms of 

 the species (which is both dextral and sinistral) which I have 

 examined. 



var. insigriis E. A. Bielz. — Clausium sinistral, solid, spatula 

 narrow, outer lobe short, scarcely produced, orifice 

 broad, inner lobe somewhat narrow, raised, thickened, 

 and spirally produced. Krepatura Schlucht, Transyl- 

 vania. Plate 6, figure 10. 

 var. pruinosa Charp. — Clausium dextral ; otherwise similar 

 in character. Konigstein, Transylvania. Plate 6, 

 figure 1 1. 



meschendorferi E. A. Bielz. — Clausium dextral, large, spatula 

 long, very deeply excavated, orifice pyriform, outer lobe broad 

 and produced, inner lobe somewhat narrow, sinuous, thickened 

 and conspicuously produced and deflected spirally. The Zeid- 

 nerberg, near Brasso, Transylvania. Plate 6, figure 12. 



bielzi Pfeiffer. — Clausium dextral, spatula broad, orifice deep and 

 open, outer lobe short, produced laterally and towards the ori- 

 fice, inner lobe long, raised, produced, thickened, then becoming 

 narrow and deflected towards the base. Vajda Hunyad, Transyl- 

 vania. Plate 6, figure 13. 



potaissanensis Kimakowicz. — Clausium dextral, spatula broad, 

 orifice deep but narrow, outer lobe short, produced laterally and 

 towards the orifice, inner lobe long, raised, sinuous, spirally 

 produced and deflected, becoming thread-like towards the base. 

 Tordaer Schlucht, Transylvania. Plate 6, figure 14. 



madensis Fuss. — Clausium dextral, spatula broad, orifice deep 

 and pyriform, outer lobe much produced towards the Orifice and 

 somewhat produced laterally, inner lobe long, raised, sinuous, 

 spirally produced and deflected, becoming thread-like towards 

 the base. Mada, Transylvania. Plate 6, figure 15. 



bogatensis E. A. Bielz. — Clausium fairly solid, spatula broad 

 towards the base, deeply and broadly excavated, outer lobe pro- 

 duced laterally and slightly produced towards the orifice, inner 

 lobe thickened, much raised, abruptly deflected and produced. 

 Krizba, Transylvania. Plate 6, llgure 16. 



