KONGL. SV. VET. AKADEMIENS HANDLINGAK. BAND 32. N:0 3. 49 



Plate IL 



Pag. 



Fig. 1. Dictyocephalus sp.? 20. 



» 2. Dictyophimus gracilipes Bail 29. 



s 3. Euphysetta Nathorstii Cl 29. 



» 4. Hexadoras borealis Cl. a Primordial shell, b and c Oiiter shell in different state of development .80. 



» 5. Lithomitra australis Ehb.? 30. 



» 6. Form allied to the precedent .SO. 



i) 7. Lithomitra lineata Ehb 30. 



» 8. Peridium (?) intricatum Cl. a and b Tlie shell in ditferent foci 31. 



» 9. Peridium (?) laxum Cl. a and b The shell in different foci 31. 



K. Sv. Vet. Akad. H.indI Hand 32. N:o 3. 



