K.UNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 50. N:0 5. 85 



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Plate 1. 



Figs. 1—29. 



Lamcllaria perspicua (Linné), Giillmarn (Loven), 2 shs., 1. 15.2, 5' ^Q<i 1- 15, J*. 



The same, Bohii.slän (Loven; type of Lovén's L. tentaculata ), 1. 8. 



The same, Norway (L. tentaculata of Loven), 1. 7. 



The same, GiiJhiiarn, 3 shs, 1. 13.5, $, 1. 12.5, $, and 1. 10.4, J* (from left to right). 



The same. Finmark (Lovén's original), I. 12.3. 



Lamellaria latens (Miiller), Bergen, Norway (Särs), I. 9.8. 



Marsenina glabra (Couthouy), var. prodita (Lovén's type), 1. sh. 9, left, and var. micromphala Bergh, 



Hammerfest, 1. sh. 11, right. 



The same, var. micromphala Bergh, the same sp. as in Fig. 7, animal with the shell removed. X 2. 



The same, Bremer Somid, King Charles Land (1898), 1. an. 17. X 2. 



The same, N. of Vega's winter harbour (Vega Exp. No. 1007) = M. groenlandica of Am-ivilhus, 1. sh. 



15. X 2. 

 Fig. 11. The same, var. groenlandica (Möller), E. of Greenland (= M. micromphala of Hägg 1905), 1 sp., 1. an 16, 



from above and below. X 2.2. 

 Fig. 12. Veliitina plicatihs (Miiller), Gullmarn (Lovén's original), 1. 14.4, right; the left is var. cryptospira Midden- 



dorff, 1. 10. 3. 



The same, Finmark (Loven, original), 1. 8. 



The same, Solowetskij Island, White Sea (Knipowitsch), 1. 9.5. 



The same, Bel Sound, Spitzbergen (Torell), L 13.3. 



The same, var. cryptospira Middendorff, St. Lawrence Island (Vega Exp. No. 1064), 1. 15.7. 



Velutina velutina (Miiller), Gullmarn (Loven), 2 shs, L 25.7 (left), L 25.4 (right). 



The same. Väderöarna (Goes), 2 shs, 1. 15.7 (left), 1. 13.7 (right). 



The same. Grötsund, Finmark (Goes & Malmgren), 1. 17.6. 



The same, Ice Fiord, Spitzbergen (Loven), L 22.5. 



The same. Proven, Greenland, 60 fms, stones (Amondsen 1860), 1. 15.4. 



The same, Sukkertoppen, Greenland, 50 — 80 fms, 1. 10.8. 



The same, Berufjord, Iceland (Torell), 1. 12. 



The same, var. Schneideri Friele, Tromsö, 20 fms (Friele's original), 1. 10; br. 7; h. 5. X 2. 



The same, var. Schneideri Friele, Waygat Islands, Spitzbergen (1861), L 12.2. 



The same, 4 shs from Spitzbergen, showing the transgression fi'om var. Schneideri to forma typlca; a Way- 

 gat Islands (= Fig. 25); b Stor Fiord, 1 13.8 (Malmgren 1864); c Lovén's Mount, L 10.6 (1868); d Danes 



Gat, \. 9.8 (1868). X 1.7. 



Velutina lanigera Möller, Horn Sound, Spitzbergen (Torell), 1. 18.3. 



The same, Bel Sound, Spitzbergen (Torell), 1. 14.6. 



The same. Finmark (Sparre Schneider), I. 10.3, nat. size and X 2.2. 



Plate 2. 



Figs. 1—25. 



Fig. 1. Velutina undata Brown, Cape Dudley Digges, Greenland (E. Nilson 1894), 1. 27. 



Fig. 2. The same, var. zonata, Finmark (Sparre Schneider), 2 sps, 1. 11 and 1. 9.5, from inside, nat. size and X 2.2. 



Fig. 3. The same. Finmark, 2 sps (= Fig. 2) from outside, nat. size and X 2.2. 



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