12 A Canadian Arctic Expedition, 1918-18 



LIST OF SPECIES COLLECTED EAST OF THE DELTA OF THE MA< KK.N/IK 

 AT ('APE BATHURST AND EASTWARD. 



Leda (Portlandia} arctica Gray, 436. 



Leda pernula Miiller, 43a, 436. 



Area glacialis Gray, 43a, 436. 



Pseudamusium andersoni Dall, 43a. 



Mytilus edulis Linne", 37i, p. 38, 44/i, 47a, 476, 47c, 50/. 



Musculus loevigatus Gray, 35, 37a, 376, 41, 41c, 43a, 436, 43c, 47c. 



Musculus niger Gray, 37i, p. 41c, 49r. 



Musculus corrugatus Stimpson, 41c, 43a. 



Musculus vernicosus Middendorff, 43a. 



Lyonsia arenosa Moller, 436. 



Astarte borealis, Schumacher, 35, 37i, p. 41c, 43c, 476, 47c, 50/, 53c. 



Astarte vernicosa Dall-, 43c, 41c. 



Astarte fabula Reeve. 



Cardium ciliatum Fabricius, 37i, p, /, 43c. 



Serripes gronlandicus Gmelin, 35, 37t, p, 41, 41c, 47c, 49r, 53c. 



Pisidium rotundatum Prime, Freshwater ponds near Bernard harbour: 



also in stomachs of eider duck and trout. 

 Liocyma beckii Dall, 37i, p. 

 Liocyma viridis Dall, 41c, 43c. 

 Thyasira flexuosa Forbes and Hanley, 43a. 

 Macoma calcarea Gmelin, 35, 43, 53c. 

 Macoma oneilli Dall, 43a, 436. 

 Mya truncata Linne, 37i, p, 41c, 43c, 47c. 

 My a intermedia Dall, 43a. 



Saxicava arctica Linne, 35, 37a, 37i, p, 43c, 44/i, 50a. 

 Saxicava pholadis Linne, 37^, 40a. 

 Cyrtodaria kurriana Dunker, 35, 376, 37i. 

 Lamellidoris of. liturata Beck, 436. 

 Philine finmarchica M. Sars, 41, 43a. 

 Utriculus semen Reeve, 42u, 4du, (fragm.), 48a. 

 Cylichna alba Brown, 41c, 42d. 

 Cylichna nucleola Reeve, 40w, 42d (fragm.), 41. 

 Aplexa hypnorum Linne. Generally, in fresh water. 

 Physa jennessi Dall. Ponds east of Bernard harbour. 

 Agriolimax hy.perboreus Westerlund, Bernard harbour. 

 Lymncea palustris variety vahli Beck, Victoria island and Bernard 



harbour. 



Lora exarata Moller, 41c. 

 Lora beckii Moller, 41c. 

 Admete couthouyi .Jay, 43a. 

 Chrysodomus solutus Herrman, 37i, p, 47c. 

 Plicifusus kroyeri Moller, 37t. 

 Pyrulofusus deformis Gray, 39. 

 Volutopsius sp. (fragments), 37i, 40a. 

 Beringius sp. (ovicapsule), 37i, 40a. 

 Ancistrolepis magnus Dall, 37i, 40a. 

 Buccinum angulosum Gray, 37i, 41, 43c. 

 Bucdnum normale Dall, 41. 

 Buccinum plectrum Stimpson, 37t. 

 Buccinum polar e Gray, 37i, 43c. 

 Buccinum ciliatum Fabricius, 37i, 40a. 

 Buccinum cyaneum Bruguiere, 37z, 41, 41/i, 43c, 49r. 

 Tachyrhynchus erosus Couthouy, 43a, 436, 43c. 

 Neptunea clathrata L., 43c. 



