Tafel LIII 
Fig. 1, 2. Tarritdla ( Haustator ) vermicularis Brocc. var. lineolatocincta Scc. Gaudenulorf. 
Fig. 3, 4. Desgleichen, Zogelsdorf, KM. 
Fig. 5 — 7. Haustator Desmarestinus Hast. Eggenhurg, Schindergraben, HM. 
Fig. 8 — 10. Haustator Desmarestinus Bast. var. mecliosubcarinata Miß. Dreieichen, KM. 
Fig. 11. 12. Turritella (Arehimediella) Archimedis Brong. Gauderndorf, HM. 
Fig. 13, 14. Turritella ( Haustator } triplicata Brocc. var. Maigen, HM. 
Fig. 15, 16. Protoma cathedralis Brong. var. quadricincta Sch[f. Dreieichen, KM. 
Fig. 17, 18. Protoma cathedralis Brong. var. paucicincta Scc. Maigen, KM. 
Fig. 15». Desgleichen, Loibersdorf, HM. 
Fig. 20. Übergang von Protoma cathedralis Brong. var. paucicincta Scc. zu var. quadri- 
cincta Scliff. Loibersdorf, HM. 
Fig. 21. Protoma cathedralis Brong. var. paucicincta Scc. Maigen, KM. 
