88 NILS ODHNER, NORTHERN AND ARCTIC INVERTEBRATES. V. PROSOBRANCHIA. 1 DIOTOCARDIA. 



The same, Kostin sharr. 



Tlie same, Lomme Bay, Spitzbergen. 



Tlie same, Vertegen Hook, 100 fm.s, 2 sps, the upper fig. and the left one below are tiie same sp. 



Tlie same, Ice Fiord. 



The same, Mossel Bay, 



The same, Horn Sound. 



The same, Godhavn, Greenland. 



The same, Kekertak. 



The same, Kekertak. 



The same, Arsukfjord. 



The same. Proven. 



Pilidium fulvom (Müller), Väderöarna, nat. size and X 2. 



The same, Väderöarna, nat. size. 



The same, Grötsund, Finmark, nat. size and X 2. 



The same, Utnefjord, Norway, nat. size and X 2. 



The same, Väderöarna, Bohuslän, nat. size and X 2. 



The same, var. albula, Grötsnnd, Finmark, nat. size and X 3.7. 



Projiilidium ancjdoide (Forbes), Väderöarna, from above and from the left, nnt. size and X 3.7. 



Scissiirella crispata Fleming, var. aspera, Bergen, nat. size and X 3.7. 



The same, var. angulata, between Norway and Beeren Island, nat. size and X 2.5. 



The same, var. angulata, Dröbak, Norway, nat. size and X 2.5. 



Puncturella noachina (Linne), GuUmarn (Loven) ; loft and middle sp. identical. 



Tlie same, Gullmarn, seen from inside, nat. size to the left, X 2.2 to the riglit. 



The same, Väderöarna, Bohuslän, 2 sps. 



The same, Bergen. 



Tlie same, Berufjord, Iceland, 3 sps. 



The same, Finmark (Sparre Schneider) 3 sps. 



'I'he same, Bel Sound, Spitzbergen. 



The same, Cloven Cliff. 



The same, Ikumiut, Grreenland. 



The same, Spitzbergen (Torell). 



The same, NW. of Bergen. 



The same, Grötsund, Finmark. 



The same, Omenak, Greenland. 



Tlie same, Proven. 



Eniarginula fissura (Linne), Finmark (Loven), 1. C.8. 

 The same, from the same locality as the preceding, I. 8.2. 

 Tlie same, Bergen, (M. Sars). 

 'The same, Gullmarn. 



Emarginnla crassa Sowerby, Gullmarn (Loven). Dimensions of the left sp. 1. 31.4; br. 24.4; h. 11.4; of the 

 light sp. I. 30; br. 23.7; h. 15. 



The same, Gullmarn; dimension.'? : 1. 24.2; br. 19; li. 9. 



The same. Gullmarn. 



The same, Grötsund, Finmark. 



The same, Bergen. 



Plate 3. 



Figs. 1—46. 



Fig. 1. Eniarginula crassa Sowerby, Gullmarn; dimensions; 1. 32.2; br. 25.7; h. 18.2. 



Fig. 2. The same, Gullmarn; dimensions; 1. 31.4; br. 24.4; li. 11.4. 



Fig. 3. Gibbula magus (Linne), Nordkoster, Bohuslän. 



Fig. 4. Gibbula cineraria (Linne), Karlsösund, Finmark (left), Bergen (riglit). 



Fig. 5. The same, Bohuslän. 



Fig. 0. The same, Finmark (Loven). 



Fig. 7. The same, Bohuslän. 



Fig. 8. Gibbula tuiiiida (^lontagu), Boliuslän. 



Fig. 9. The same, Stigfjorden, Gullmarn. Bohuslän. 



Fl 



g- 



7. 



F 



g- 



8 



F 



cr. 



9. 



F 



g- 



10. 



F 



g- 



11. 



F 



g- 



12. 



F 



g- 



13. 



F 



g- 



14. 



F 



g. 



15. 



F 



ig- 



10. 



F 



g- 



17. 



F 



g- 



18. 



F 



g- 



19. 



F 



g- 



20. 



F 



g- 



21. 



F 



g- 



22. 



F 



g- 



23. 



F 



g- 



24. 



F 



g- 



25. 



F 



g- 



26. 



F 



g- 



27. 



F 



LT 

 t> 



28. 



F 



g- 



29. 



F 



g- 



30. 



F 



g- 



31. 



F 



g- 



32. 



F 



g- 



33. 



F 



g- 



34. 



F 



g- 



35. 



F 



g- 



36. 



F 





37. 



F 



U. 



O 



38. 



F 



g- 



39. 



F 



g- 



40. 



F 



g- 



41. 



F 



g- 



42. 



F 



g- 



43. 



F 



g- 



44 



F 



cr 

 &■ 



45. 



F 



fr_ 



46. 



Fig. 



47. 



Fig. 



48. 



Fig. 49. 



Fig. 



50. 



