10 A Canadian Arctic Expedition, 1913-18 



STATION 27s. 

 Off Collinson point, Alaskan Arctic coast, 3 fathoms, mud and gravel. 



Leda arctica Gray. 

 Leda collinsoni Dall. 

 Musculus laevigatus Gray. 

 Crenella aff. rotundata Dall. 

 Astarte borealis Schum. (fragm.). 

 Liocyma beckii Dall. 

 Pandora sp. (fragm.). 

 Macoma sp. (fragm.). 

 Macoma sp. (fry). 

 Mya sp. (fry). 

 Cyrtodaria kurriana Dkr. 

 Lyonsia arenosa Moller. 

 Lor a trevelliana Turton, var. 

 Utriculus semen Reeve. 

 Euspira sp., (ovicapsules). 

 Gastropod eggs. 



STATION 28/. 

 Beach at Collinson point, Alaskan Arctic coast. 



Musculus loevigatus Gray. 

 Astarte borealis Schum. 

 Euspira pallida Brod. & Sby. 

 Amauropsis purpurea Dall. 



STATION 28t. 



Beach at Flaxman island, Alaskan Arctic eoast. 

 Astarte borealis Schum. 



STATION 30d. 



Beach at Demarcation point, Alaskan Arctic coast. 

 Fusitriton oregonense Redfield (adventitious). 



STATION 3 la. 



Beach at Camden bay, Alaskan Arctic coast. 

 Amauropsis purpurea Dall. 



STATION 326. 



Sandspit west of Martin Point, Alaskan Arctic coast. 

 Amauropsis purpurea Dall. 



