•16 A , , Canadian Arctic Expedition, 1913-18 



Macoma oneilli Dall. 



My a intermedia Dall. 



Saxicava arctica Linn6. 



Philine finmarchica M. Sars. 



Admete couthouyi Jay. 



Trichotropis horealis Broderip and Sowerby. 



Tachyrhynchus erosus Couthouy, variety. 



Margarites sordidus Hancock. 



Margarites albulus Gould. 



Margarites harrisoni Hancock. 



Gastropod eggs. 



b. Dolphin and Union strait, off Stapylton ba;y, in about 30 fathoms, mud. 



Operculum of Euspira sp. 



Leda (Portlandia) arctica Gray. 



Area glacialis Gray. 



Musculus IcBvigatus Gray. 



Macoma oneilli Dall. 



Lyonsia arenosa Moller. 



Lamellidoris cf. liturata Beck. The, bottom of the foot, ctenidia, and 



rhinophores orange; dorsum olive grey. 

 Trichotropis horealis Broderip and Sowerby. 

 Tachyrhynchus erosus Couthouy. 



c. West of Cockburn point (Dolphin and Union strait) in 20 to 30 meters, grey 



mud, stones and algse. 



Musculus Icevigatus Gray. 



Astarte vernicosa Dall. 



Astarte horealis Schum. 



Cardium ciliatum Fabricius. 



Liocyma viridis^Dall. 



Macoma calcarea Gmelin. 



Saxicava arctica Linne. 



My a truncata Linn6. 



Buccinum angulosum Gray. 



Buccinum cyaneum Brugui^re. 



Buccinum, sp. (very young). 



Buccinum polare Gray. 



Neptunea clathrata Linn^. 



Trichotropis horealis Broderip and Sowerby. 



Tachyrhynchus erosus Couthouy. 



Margarites umhilicalis Broderip and Sowerby. 



Acmcea emydia Dall. 



Trachydermon albus Linne. 



Tonicella marmorea Fabricius. 



Molluscan egg-capsules. 



STATION 44. 



h. Cape Barrow, Coronation gulf (about 1 fathom). 



Mytilus edulis Linn6. 



Saxicava arctica Linn4. 



Littorina rudis, var. gronlandica Morch. 



Lacuna sp. 



