'224 G. LINPSTFvOM, (»N TIIE SILUIUAN GASTKOPODA AND rTEROPODA GF GOTLANB. 



Plate IX. 



Pig. 1 — 3. Pleurotomaria dolium u., p. 102. 

 » 4 — 6. » laqueata n., p. 102, f. 4 the original specimen belongs to the Museum of the 



School of Wisby, f. 5 — 6 from Klinteberg. 

 » 7 — 10. Pleurotomaria iubulosa n., p. 103 from Kräklingbo. 

 u 11 — 13. » valida n. p. 110. 



» 14 — 17. » Othemensis n. p. 111, f. 17 the umbilicus seeu from above. 



» 18 — 19. » coinata n. p. 111 from Eksta. 



» 20 — 29. )> cequilatera Wahlenberg p. 111, f. 20 — 22 the original specimen of WAHLENBEttG 



from the Mineralogical Cabiuet of the University of Upsala, somewbat restored as to the 



aperture and sections of the slit band, f 23 — 24 from Kyrkberget in Wisby, f. 25 — 26 from 



the shale of Wisby, f. 27 ventricose variety from Samsugu in Othem, belonging to the Min. 



Cab. University of Upsala, f. 28 from öamsugn in Othem, f. 29 section of two whorls to 



show the shape and place of the slit band. 

 » 30 — 38. Pleurotomaria labrosa Hall, p. 113, fig. 30 — 36 from Westergarn, f. 37—38 from Klints 



in Boge. Fig. 36 section along the median axis of the slit band. 



