24(i G. LINDSTUOM, ON Till': SILUIUAN GASTliOl'ODA AND I'TKKOPODA OF GOTLAND. 



Plate XX. 



Fig. 1 — 6. Murchisonia deflexa w., p. 134. Fig. 3 the shell surface with the partially covered slit band. 

 Loxonema fasciatum u., p. 144. 

 Oriosloma contrarium n., p. 160. Fig. 8 — 9, from Hall, f. 10 from Kyrkberget in VVisby, 



f. 11 — 15 from Saiusugn. 

 Oriostoma globosum Sciiloth. p. 160. 

 )) anguUfer n., p. 167. 



» Roemeri n., p. 168. 



« helicinum \\., p. 170. Fig. 30 — 31 with colour bauds from Samsugu, f. 32 from the 



canal in Hall, f. 33 from the uppermost limestone of Halls huk. 

 34 — 41. Oriostoma angulatum W.vhlenberg, p. 171, f. 34 — 37 from Farij, f. 38 — 41 from Samsugn 



in Othem. 

 42 — 44. Oriostoma lineatum n., p. 173. 



