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- —- 
FTSE NEP NETSSS MOTHER ARS 
- ju- 
FSE 
& 
KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 48. N:o 1. 91 
The same, var. multilirata, Umanak. 
The same, var. bella, Godthaab, nat. size and X 2.5. 
The same, var. finmarchica, Hasvig, Finmark, 2 sps, from aperture and from spire, X 2.2. 
The same as in the preceding fig. seen from umbilicus, nat. size and X 2.2. 
Solariella infundibulum (Watson), Bank of Newfoundland, nat. size and X 2.3. 
Solariella cincta (Philippi), var. affinis, Storeggen, Norway, nat. size and X 2.3. 
Cyclostrema turgidum n. sp., »Swedish Deep» (Sp. Exp. 1898), nat. size and X 5. 
Cyclostrema basistriatum (Jeffreys) G. O. Sars, Lofoten, nat. size and X 5. 
Cyclostrema trochoide (Jeffreys) G. O. Sars, var. Peterseni, Skagerrack, nat. size and X 5. 
Cyclostrema basistriatum (Jeffreys) G. O. Sars, Spitzbergen, nat. size and X 5. 
Mecelleria costulata (Möller), Clavering Island, Est Greenland, nat. size and X 3.2. 
The same, Godthaab, Greenland, 2 sps, nat. size and X 2.7; the left sp. below is = the preceding fig. 
The same, Gullmarn (Lovén) nat. size and X 5. 
'The same, Horn Sound, Spitzbergen, nat. size, X 2.5 and X 5. 
The same, Öfjord, Iceland, nat. size and X 3.2. 
Plate 6. 
Figs. 1—20. Radule. 
Acmea testudinalis (Mäller), Nivakfjord (cfr Pl. 1, fig. 7) X 50. 
Acme&ea pelta Eschscholtz, Behring Island (cfr Pl. 1, fig. 8) X 50. 
Margarita helicina (Phipps), Bohuslän (cfr P1. 3, fig. 34). Lamell& circa 50. X 240. 
The same, Mossel Bay, a median tooth; height of the sh. 8.8. X 240. 
The same, Bel Sound; diameter of the sh. 9.5; lamell& circa 80. X 240. 
Margarita Vahlii Möller, Bel Sound (cfr P1. 3, figs. 36—37). X 240. a the 5th median tooth, b the first lamella. 
The same, rhachian tooth, Pröven. X 420. 
Margarita olivacea Brown, 72” 8' N., 74” 20' W., largest sp. X 240. 
The same, Cloven Cliff (P1. 3, fig. 46, left); lamell&e circa 60. X 240. 
The same, East Greenland. X 240. 
The same, var. gigantea, Off Horn Sound (PI. 3, fig. 44). X 240. 
The same, var. gigantea, Kara Sea (P1. 4, fig. 3, right). X 240. 
The same, forma typica, Bremer Sound. X 500. 
Margarita groenlandica (Chemnitz) (cfr Pl. 4). a var. umbilicalis, Mossel Bay, depressed, sculptured like PI. 
4, fig. 7; d. 16. 5 Smeerenburg Bay, h. 13, like fig. 20. c var. levigata, Mossel Bay, elevated, like fig. 
19; d. 20. d Umanak, fig. 8, the large sp. e Berufjord, fig. 17, lamell& 100. f£ Godthaab, like fig. 7, the 
most sps, lamelle 90. 
"The same, var. umbilicalis, 64” 56' N., 66” 18' W, maximal sp. (like P1. 4 fig. 15); lamell&e circa 90. X 160. 
The same, var. umbilicalis, Julianehaab (Pl. 4, fig. 7, the depressed sp. below to the right); lamell& circa 
70. X 240. 
The same, forma typica, the same locality and figure, the elevated sp. below; lamell&z 90—100. X 240. 
The same, var. levior, Bergen (P1. 4, fig. 26); lamell& circa 90. X 240. 
The same, var. undulata, Hitterö, Norway, d. 7. X 240. 
The same, var. undulata, Kosterfjorden, Bohuslän, juv. (d. 3.2), lamelle circa 50. X 380. 
Plate 7. 
Figs. 1—20. Radulze. 
Margarita cinerea Couthouy (cfr PI. 4 and Pl. 5). X 240. a Iceland, Pl. 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); f 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. Lamelle in a—y circa 50, in Ah 70. 
The same, var. striata (= grandis Mörch), Vega Exp. 67” 5' N., 173” 24' E. (P1. 5, fig. 2), lamell&e circa 50. X 240. 
The same, forma typica, juv. (d. 1.9), Finmark. Formula: circa 25.(3.1.3.) circa 25. X 700. 
The same, var. striata, King Charles Land; lamell&e circa 50. X 240. 
