210 G. LINDSTRÖM, ON THE SJLURIAN GASTHOPODA AND PTEKOPODA OF GOTLAND. 



Plate II. 



Fig. 1 — 4. Chelodes Bergmani Davidson & King, p. 51. Same specimen as figured by Davidson. 

 u 5 — 8. Anotber specimen also from Klinteberg-, 7 — 8 in natural size. 

 » 9 — 10. Chelodes Gotlandicus n. p. 52, from Grötlingbo. 

 « 11 — 15. A specimen from Grötlingbo, f. 13 — 14 nat. size. 

 » 16 — 17. A specimen from Bursvik, nat. size. 

 » 18 — 27. Shorter valves from Grötlingbo, f. 20 — 21 nat. size. 

 » 28. Uhiton sp. indet. Recent. Interiör side to oompare with fig. 25. 



Platyceras cornutum Hisinger p. 63. 

 » 29 — 31. From Wisby, details of ornamentation magnified. 



» 32 — 36. From Fårö, f. 32 — 33 resembling Nerita haliotis Sow., 34 — 36 like a lantliina. 

 » 37 — 38. From Eskelliem, »Stropliostylus-). 

 » 39 — 40. Large specimen from Fårö, nat. size. 

 » 41 — 43. From Klinteberg, with lobate aperture. Compare Plåt. niagarense Hall the 28 Eept. N. T. St. 



Cab. pl. 28 f. 2-4. 

 „ 44 — 45. Nucleus from shale beds of Wisby. 

 » 46 — 47. From Klinteberg, loosely coiled. 

 » 48. From middle limestone of Wisby. 



» 49 — 50. From Klinteberg, disjointed wliorls. 



» 51. Drawn from Hisingers original specimen to »Pileopsis cornuta» as exact as possible, nat. size. 



« 52. Drawn from Hisinger's original specimen to »Pileopsis sulcatau being corroded sample of the 



followiiig variety, nat. size. 

 » 53 — 57. Variety "loricatum» from Klinteberg f. 55 umbilical side, f. 56 the apical one. 

 » 58. Craspedostoma elegantulum n. p. 183. 



» 59 — 72. Platyceras enorme n. p. 69, various specimens, with details of ornamentation, all from Rikvide 



in the parisli of När. 

 )' 73 — 78. Platyceras disciforme n. p. 68, from the sandstone of Hoburg in nat, size, ornamentation highly 



masnified. 



