88 NILS ODHNER, NORTHERN AND ARCTIC INVERTEBRATES. V. PROSOBRANCHIA. 1 DIOTOCARDIA. 
Fig. 7. The same, Kostin sharr. 
Fig. 8 The same, Lomme Bay, Spitzbergen. 
Fig. 9. The same, Vertegen Hook, 100 fms, 2 sps, the upper fig. and the left one below are the same sp. 
Fig. 10. The same, Ice Fiord. 
Fig. 11. The same, Mossel Bay. 
Fig. 12. The same, Horn Sound. 
Fig. 13. The same, Godhavn, Greenland. 
Fig. 14. The same, Kekertak. 
Fig. 15. The same, Kekertak. 
Fig. 16. The same, Arsukfjord. 
Fig. 17. The same, Pröven. 
Fig. 18. Pilidium fulvum (Möller), Väderöarna, nat. size and X 2. 
Fig. 19. The same, Väderöarna, nat. size. 
Fig. 20. The same, Grötsund, Finmark, nat. size and X 2. 
Fig. 21. The same, Utnefjord, Norway, nat. size and X 2. 
Fig. 22. 'The same, Väderöarna, Bohuslän, nat. size and X 2. 
Fig. 23. The same, var. albula, Grötsund, Finmark, nat. size and X 3.7. 
Fig. 24. Propilidium ancyloide (Forbes), Väderöarna, from above and from the left, nat. size and X 3.7. 
Fig. 25. Scissurella crispata Fleming, var. aspera, Bergen, nat. size and X 3.7. 
Fig. 26. The same, var. angulata, between Norway and Beeren Island, nat. size and X 2.5. 
Fig. 27. The same, var. angulata, Dröbak, Norway, nat. size and X 2.5. 
Fig. 28. Puncturella noachina (Linné), Gullmarn (Lovén); left and middle sp. identical. 
Fig. 29. The same, Gullmarn, seen from inside, nat. size to the left, X 2.2 to the right. 
Fig. 30. The same, Väderöarna, Bohuslän, 2 sps. 
Fig. 31. The same, Bergen. 
Fig. 32. The same, Berufjord, Iceland, 3 sps. 
Fig. 33. The same, Finmark (Sparre Schneider) 3 sps. 
Fig. 34. The same, Bel Sound, Spitzbergen. 
Fig. 35. The same, Cloven Cliff. 
Fig. 36. The same, Ikamiut, Greenland. 
Fig. 37. The same, Spitzbergen (Torell). 
Fig. 38. The same, NW. of Bergen. 
Fig. 39. The same, Grötsund, Finmark. 
Fig. 40. The same, Omenak, Greenland. 
Fig. 41. The same, Pröven. 
Fig. 42. Emarginula fissura (Linné), Finmark (Lovén), 1. 6.8. 
Fig. 43. The same, from the same locality as the preceding, 1. 8.2. 
Fig. 44. The same, Bergen, (M. Sars). 
Fig. 45. The same, Gullmarn. 
Fig. 46. Emarginula crassa Sowerby, Gullmarn (Lovén). Dimensions of the left sp. l. 31.4; br. 24.4; h. 11.4; of the 
Tight Sp: 1. 305; br. 20:70; HIS 
Fig. 47. The same, Gullmarn ; dimensions: 1. 24.2; br. 19; h. 9. 
Fig. 48. The same, Gullmarn. 
Fig. 49. The same, Grötsund, Finmark. 
Fig. 50. The same, Bergen. 
Plate 3. 
Figs. 1—46. 
Fig. 1. Emarginula 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; h. 11.4. 
Fig. 3. Gibbula magus (Linné), Nordkoster, Bohuslän. 
Fig. 4. Gibbula cineraria (Linné), Karlsösund, Finmark (left), Bergen (right). 
Fig. 5. The same, Bohuslän. 
Fig. 6. The same, Finmark (Lovén). 
Fig. 
Fig. 8. Gibbula tumida (Montagu), Bohuslän. 
'The same, Bohuslän. 
Fig. 9. 'The same, Stigfjorden, Gullmarn, Bohuslän. 
