291 



Limopsis tenella, JellVeys 51. 

 Liostomia eburnea, Stiinpson 222. 

 Llttorina arctica, Moller 230. 



— groenlandiea, Menke 231. 



— — var. laevior 



230. 



— obtusata, Linné 229, 231. 



— palliata, Say 230. 



— rodis, Maton var. groenlan- 



diea, Menke 231. 

 Loligo illecebrosa, Lesueur 278. 



— piscatorum, La Pylaie 278. 

 Lophyrus albus, Linné 108. 

 Lunatia groenlandiea, Beck 140. 



— nana. Møller 141. 

 Lyonsia arenosa. Møller 91. 



— — — var. sibirica, 



Leche 92. 



— gibbosa, Hancock 92. 



— norvegica, Middendorfl' 91. 

 Lyonsiella abyssicola, M. Sars 92. 



Machaeroplax bella, Verkriizen 132. 

 Macoma fusca, Say 83. 



— moesta, Deshayes 87. 

 Malletia cuneata, Jeffreys 29. 



— excisa, Philippi 29. 

 Mangelia Holbøllii, Beck 172. 

 Margarita alabastrum, Beck 131. 



— — Loven 132. 



— arctica, Middendorff 122. 



— argentata, Gould 125. 



— (Machaeroplax) bella, Ver- 



kriizen 132. 



— cinerea, Coulhouy 129. 



— — — var. gran- 

 dis, Mørch 129, 131. 



— clathrata, G. 0. Sars 132. 



— ?costulata. Møller 121. 



— glauca. Møller 124. 



— groenlandiea, Chemnitz 1 26. 



— — — var. 

 umbilicalis, Broderip et 



Sowerby 127. 



— Harrisoni, Hancock 125. 



— helicina, Phipps 122. 



— helicoides, Beck 124. 



Margarita olivacea, Brown 124. 



— polaris, Beck 131. 

 striata, Broderip et Sowerby 



131. 



var. groenlandiea. Møller 

 129. 



— umbilicalis , Broderip et 



Sowerby 127. 



— undulata, Sowerby 126. 



— — — var. lae- 



vior, Møller 127. 



— Vahlii, Møller 124. 

 Marsenia grønlandica, Bergh 137. 

 Marsenina glabra, Couthouy 136. 



— groenlandiea, (Møller)Bergh 



137. 



— micromphala, Bergh 136. 



— prodita, Loven 136. 

 Menestho albula, Fabricius 234. 

 Mitra groenlandiea, Beck 171. 

 Modiola arctica, Leach 22. 



— ? cicercula, Møller 19. 



discors, Gould 23. 



— - Møller 25. 



— discrepans, Gould 26. 



— — (<■ Sowerby») Møl- 



ler 28. 



— fubus, Beck 22. 



— laevigata, Gray 25. 



— — — var. substriata 



26. 



— modiolus, Linné 19. 



— nigra, Gray 27. 



— ? vitrea, Holbøll 21. 

 Modiolaria corrugata, Stimpson 23. 



— (Crenella) decussata, Mon- 

 tagu var. cicercula. Møller 



19. 



— discors, Linné 24, 25, 26, 



27. 



— faba, Müller 22. 



— laevigata, (Gray) Torell 25, 



28. 



— — — — var. 



substriata 24, 26. 



— laevis, Beck 26. 



19* 



