KUNGL. SV. VET. AKADEMIKNS HANÜLINGAR. BAND 48. N:0 1, 



87 



Plate 1. 



Figs. 1-32. 



Fig. 



1. 



Acmrea testudinalis (Müller). Bohuslnn (Lo\-en), some colonr \arintioiis; 2 sps s-ecn from in.side. 



Fig. 



2 



The same, Berufjord, Iceland (Torell). 



Fig. 



3. 



The same, Berufjord, young sps. 



Fig. 



4. 



Tlie same, »Bei Sound » (Torell), 1 sp., seen from inside and outside. 



Fig. 



5. 



The same, Sukkertoppen, Greenlajid, seen from the left. 



Fig. 



0. 



The same, Grötsund, Finmark, from the left and from above. 



Fig. 



7. 



The same, Nivakfjord, Greenland. 



Fig. 



8. 



Acmwa pelta Eschseholtz (left and middle sp-). and A. patina Eschseholtz (right sp.), Beliring Island (Vega Exp.) 







the outer sps seen from inside. 



Fig. 



9. 



Acma^'a virginea (Müller), Dröbak (Leven), nat. size above, X 2 below. 



Fig. 



10. 



The same, Bohuslän (B. Fries), at the sides, and Point of Hoghalla (Liinnberg), in the middle, seen fi om the left. 



Fig- 



11. 



The same, Finmark (Loven). 



Fig. 



12. 



The same, the left sp. in fig- 11, X 2. 



Fig. 



13. 



The same, Raufarhofn, Iceland (Torell). 



Fig. 



14. 



The same, var. spitzbergensis n. var., Mossel Bay (from above and from the left) and Treurenburg Baj' (from 







the inside). 



Fig. 



15. 



The same as in fig. 14, X 2. 



Fig. 



16. 



Acma'a rubella (Fabricius), Kostin sharr (from the left), nat. size and X 2. 



Fig. 



17. 



The same, Treurenburg Bay, nat- size (below) and X 2 (above). 



Fig. 



18. 



The same, Proven, Greenland, nat. size and X 2. 



Fig. 



19. 



Tlie same, Berufjord, Iceland, nat. size and X 2. 



Fig. 



20. 



The same, Giötsund, Finmark, from the left, nat. size and >C 2.5. 



Fig. 



21. 



The same, Finmark (Loven), from inside, nat. size and X 2.2. 



Fig. 



22. 



The same, Berufjord, Iceland, nat. size and X 2.5. 



Fig. 



23. 



The same, forma elevata, Berufjord, one sp. from aboN'o, the rest from the left; nat. size and X 2.5. 



Fig. 



24. 



Patella vulgata Linne, var. depressa, Norway. 



Fig. 



25. 



The same, var. dejsressa and coerulea, Vädcröarna, Bohuslan, from above and from the left. 



Fig. 



20. 



The same, forma typiea, Väderöarna. 



Fig. 



27. 



Helcion pellucidum (Linne), Finmark (Lo\en), from the left and from a))o\e. 



Fig. 



28. 



The same, Farsund, Norway, from the left. 



Fig. 



29. 



'Tlie same, Christianiafjord (Asbjörnsen), from the left. 



Fig. 



30. 



The same, Norway (Marklin). 



Fig. 



31. 



The same, Bohuslän (IiO\ en). 



Fig. 



32. 



'j'he samp, Bohuslän (R. Fries). 



Plate 2. 



Figs. 1— no. 



Fig. I. Cry[)tobrauchia alba Dall, Konyam Bay, Boliiing Sea (V'ega E.xp.) 3 sps, from tlie left, from outside am! from 

 inside. 



Fig. 2. Lopeta coeca (Müller), C^hristianiaf jord ( Asbjoriisen), 1 sp., seen from the left and from al)ove. 

 Fig. 3. 1'he same, V'äderöarna, Bohuslän, 3 sps, seen from alio\o, from the left side mid from inside. 

 Fig. 4. 'j'he same, Bergen, 2 sps, from above and from Ihc left. 

 Fig. 5. The same, LTlfsfjord, Finmark, 4 sps. 



Fig. 0. The same, Berufjord, lcelan<l, tlie median fig. abo\e, and the left one below are tlie same sp. 



