Mollusks 13. A 



Trichotropis borealis Broderip and Sowerby, 37i t 4)a, 41, 41c, 43a, 436, 



43c. 



Lamellaria gronlandica Moller, 4 If (young). 

 Euspira pallida Broderip and Sowerby, 486, 37^. 

 Amauropsis purpurea Dall, 37i, 41/i. : 

 Littorina rudis variety gronlandica Morch, 44h. 

 Valvata lewisii Currier, Bernard harbour and Victoria island. 

 Acmaea emydia Dall, 37i, 37?/, 41c, 43c, 49</. ; 

 Margarites sordidus Hancock, 41, 41c, 42u, 43a. 

 Margarites umbilicalis Broderip and .Sowerby, 41, 43c. 

 Margarites helicinus Fabricius, 376, 37a, 40a, 41. 

 Margarites albulus Gould, 43a. 

 Margarites harrisoni Hancock, 43a, 490. 

 Trachydermon albus Linne, 43c. 

 Tonicella marmorea Fabricius, 43c. 



SPECIES COLLECTED AT EACH STATION EAST OF THE MACKENZIE DELTA. 



STATION 35. 



Beach at cape Bathurst, Northwest Territories. 



Serripes gronlandicus Gmelin. 

 Astarte borealis Schumacher. 

 Musculus laevigatus Gray. 

 Macoma calcarea Gmelin. 

 Cyrtodaria kurriana Dunker. 

 Saxicava arctica Linne. 



STATION 37. 

 a. Stomach of Erignathus barbatus, Bernard harbour, Dolphin and Union strait. 



Margarites helicinus Fabricius. 

 Egg capules of unknown gastropods. 

 Musculus Icevigatus Gray. 

 Saxicava arctica Linne*. 



6. Two to three fathoms, sandy mud, inner Bernard harbour. 



Margarites helicinus Fabricius. 

 Eggs of nudibranch; loose opercula. 

 Musculus Icevigatus Gray. 

 Cyrtodaria kurriana Dunker. 



e. o. As 6 and stomach of Erignathus barbatus, Bernard harbour. 

 Molluscan egg capsules. 



i.-p. At and around Bernard harbour. 



Mytilus edulis L. 

 Musculus niger Gray. 

 Musculus Icevigatus Gray. 

 Astarte borealis Schumacher. 

 Cardium ciliatum Fabricius. 

 Serripes gronlandicus Gmelin. 

 Liocyma beckii Dall. 

 Mya truncata Linne. 

 Saxicava arctica Linne. 



