170 



Margarita groenlandica Ch. 



— cinerea Couth. 

 Natica clausa L. 



Littorina rudis Maton /. groenlandica. 

 Bela pyramidalis Strøm. 



— rugulata Müll. 

 Trophon clathratus L. 



— craticulatus Fabr. 

 Buccinum un datum L. 



— groenlandicum Chem. 



— hydrophanum Hanck. 



— tenue Gray. 

 Neptunea gracilis d. Cost. 

 Opisthobranchiata. 

 Dendronatus arborescens Müll. 



— velifer Sars. 



Corypkella salmonacea Couth. 

 Æolis sp. 



Land og Færskvands Mollusker. 



Vitrina Angelicas Bk. 

 Succinea groenlandica Bk. 

 Limnosa Vahlii Bk. 



— Holboellii Bk. 

 Planorbis arcticus Bk. 



JE*teropoda. 



(Jlione limacina Phipps. 

 Limacina helicina Phipps. 



Ecliinodermata. 



Holothurida. 



Cucumaria frondosa (Gimn). 



Psolus Fabricii (D. K.). 



