KUNGL. SV. VET, AKADEMIRNS HANDLINGAE. BAND 48. N:0 1. 



91 



Fig. 33. The same, var. multilirata, Umanak. 



Fig. 34. The same, var. bella, Godthaab, nat. size and >; 2.3. 



Fig. 35. The same, var. finmarchica, Hasvig, Finmark, 2 sps, from aperture and from spire, X 2.2. 



Fig. 36. The same as in the preceding fig. seen from umbilicus, nat. size and;X 2.2. 



Fig. 37. Solariella infundibulum (Watson), Bank of Newfoundland, nat. size and X 2.a. 



Fig. 38. Solariella cincta (Philippi), var. affinis, Storeggen, Norwajs nat. size and X 2.3. 



Fig. 39. Cyclostrema turgidum n. sp., »Swedish Deep» (Sp. Exp. 1898), nat. size and X 5. 



Fig. 40. Cyclostrema basistriatum (Jeffreys) G- O. Sars, Lofoten, nat. size and X 5. 



Fig. 41. Cyclostrema trochoide (Jeffreys) G- O. Sars, var. Peterseiii, Skagerrack, nat. size and X 5. 



Fig. 42. Cyclostrema basistriatum (Jeffreys) G. O. Sars, Spitzbergen, nat. size and X 5. 



Fig. 43- Moelleria costulata (Möller), Clavering Island, Est Greenland, nat- size and X 3.2. 



Fig. 44. The same, Godthaab. Greenland, 2 sps, nat. size and X 2.7 ; the left sp. below is = the preceding fig 



Fig. 45. The same, GuUmarn (Lovön) nat. size and X 5. 



Fig. 46. The same, Horn Sound, Spitzbergen, nat. size, X 2.5 and X 5. 



Fig. 47. The same, Ofjord, Iceland, nat. size and X 3.2. 



Plate 6. 



Figs. 1 — 20. Radulae. 



Fig. 1. Acma?a testudinalis (Müller), Nivakfjord (efr PI. 1, fig. 7) X 50. 



Fig. 2. Acmaea pelta Eschscholtz, Behring Island (cfr PI. 1, fig. 8) X 50. 



Fig. 3. Margarita helioina (Phipps), Bohusläu (cfr PI. 3, fig. 34). Lamellae circa 50. X 240. 



Fig. 4. The same, Messel Bay, a median tooth; height of the sh. 8.S. X 240. 



Fig. 5. The same, Bel Sound; diameter of the sh. 9.5; lamelUe circa 80. X 240. 



Fig. 6. Margarita Vahlii Möller, Bel Sound (cfr PI. 3, figs. 3G— 37). X 240. a the 5th median tooth, 6 the fir.st lamella. 

 Fig. 7. The same, rhachian tooth. Proven. X 420. 



Fig. 8. Margarita olivaoea Brown, 72"" 8' N., 74° 20' W., largest sp. X 240. 

 Fig. 9. The same, Cloven Cliff (PI. 3, fig. 40, left); lamella; circa 00. X 240. 

 Fig. 10. The same, East Greenland. X 240- 



Fig. 11. The same, var. gigantea. Off Horn Sound (PI. 3, fig. 44). X 240. 

 Fig. 12. The same, var. gigantea, Kara Sea (PI. 4, fig. 3, right). X 240. 

 Fig. 13. The same, forma typica, Bremer Sound. X 500. 



Fig. 14. Margarita groenlandica (Chemnitz) (cfr PI. 4). a var. umbilicalis, Messel Bay, depressed, sculptured like PI. 



4, fig. 7 ; d. 16. b Smeerenburg Bay, h. 13, like fig. 20. c var. laevigata, Messel Bay, elevated, like fig. 

 19; d. 20. d Umanak, fig. 8, the large sp. e Berufjord, fig. 17, lamella' 100. / Godthaab, like fig. 7, the 

 most sps, lamellae 90. 



Fig. 15. The same, var. umbilicalis, 64° 56' N., 66° 18' W, maximal sp. (like PI. 4 fig. 15); lamellae circa 90. X 160. 

 Fig. 16. The same, var. umbilicalis, Julianehaab (PI. 4, fig. 7, the depressed sp. below to the right); lamella; circa 

 70. X 240. 



Fig. 17. The same, forma typica, the same locality and figure, the elevated sp. below; lamella; 90 — 100. X 240. 

 Fig. 18. The same, var. lajvior, Bergen (PI. 4, fig. 26); lamelL-e circa 90. X 240. 

 Fig. 19. The same, var. undulata, Hittero, Norway, d. 7. X 240. 



Fig. 20. The same, var. undulata, Kosterfjorden, Bohuslän, juv. (d. 3.2), lauielho circa 50. X 380. 



Plate 7. 



Figs. 1 — 20. Itaduke. 



Fig. 1. Margarita cinerea Couthouy (cfr PI. 4 and PI. 5). X 240. a Iceland, PI. 4, fig. 33; b Finmark, fig. 31; c 

 Godthaab, fig. 28; d Fairhaven, like fig. 37; e var. striata, Skans Bay (like PI. 5 fig. 1); / var. striata, 

 Mackenzie Bay, East Greenland; g var. grandis forma multilirata, Bremer Sound. Spitzbergen (cfr PI. 4 

 fig. 34); h the same. Pendulum Island, East Greenland. Lamellae in a — {/ circa 50, in h 70. 



Fig. 2. The same, var. striata (= grandis Mörch), Vega Exp. 67° 5' N., 173° 24' E. (PI. 5, fig. 2), lamelhe circa 50. X 240. 



Fig. 3. The same, forma typica, juv. (d. 1.9), Finmark. Formula: circa 25 . (3 . 1 . 3 .) circa 25. X 700. 



Fig. 4. The same, var. striata, King Charles Land ; lamelhe circa 50. X 240. 



