18 A Canadian Arctic Expedition, 1913-18 



d. Young point, Dolphin and Union strait. 

 Eggs of two species of unknown gastropods. 



/. Beach at and around Bernard harbour. 



Mytilus edulis Linnc. 

 Astarte borealis Schumacher. 



STATION 53 



c. Beach at cape Bathurst, Northwest Territories (see also sta. 35). 



Astarte borealis Schumacher. 

 Serripes gronlandicus Gmelin. 

 Macoma calcarea Gmelin. 



STATIONS NOT NUMBERED. 



Between cape Baring and Pullen point, Victoria island. 

 Lymncea caperata Say. = vahli Beck, = palustris Miiller, mutation. 



Lake near Bernard harbour, rom stomach of Cristivomer namaycush. 



Lymncea palustris vahli Beck. 

 Pisidium rotundatum Prime. 



Pond near Colville mountains, Victoria island. 

 Aplexa hypnorum L. 



Stomach of Salvelinus, Bernard harbour. 

 Pisidium rotundatum Prime. 



Lake opposite Bernard harbour. 

 Aplexa hypnorum L. 



Water-hole on tundra at cape Bathurst, Northwest Territories. 

 Aplexa hypnorum L. 



Pond at Bernard harbour. 

 Aplexa hypnorum L. 



Pond east of Bernard harbour D. Jenness, collector. 

 Physa jennessi Dall. 



Creek at Bernard harbour. 

 Aplexa hypnorum L. 



Under stone at Bernard harbour. 

 Agriolimax hyperboreus Westerlund. 



Lake west of Bernard harbour, 

 Pisidium rotundatum Prime. 



