T. Jurassic[ue 



Gastéropodes. PI. 26. 







•^'■ 



10 



12 





Ifumiu-t dd etliA. 



■f , Z DimfÂemn pfoma/a, (MttD.sp) Cal. 



3, 4, C/iaic/yi/J nodu/ojits, 



S^ 6. C. vesDUy (I'udJ)ijljjD.) â. c. 



y , S. CÂincpus TTia^nifiau, (Fi^.) Oj^. 



p^rf. C. costellatiLs, (Suv.) — 



12. Alaria Oi^nycrusu^ ( Coff J — 



