Kobelt, Europ. Meeresconchylien. Taf. LXXXIL. 
1 






CW.Kreidels Verlag, Wiesbaden Lith.Ansty.Werner&Winter, Frankfurt ®M 
1. Bela turricula Mtg. 2.B.assimilis Sars. 3.B.exarata Moell. 4.B.nobilis Moell. 5.B.rosea Sars. 6-9.B.rugulata Moell. 
10.1.B.scalarıs Moell. 12.B.mitrula Lov. 13.B.americana Pack. 14.B.rugulata Moell. 15.16. B.rugulata Moell.var. 
17.18.B.scalaris abyssicola Friele. 19.B.scalaroides Sars. 20.B.concinnula Verr. 21.B.harpularia Couth.. 
22.B.gouldii Verr. 23.B.sarsii Verrill. 
