8 A Canadian Arctic Expedition, 1913-18 



STATION 20ra. 

 Beach at port Clarence, Alaska. 



polynyrna (Strn.) var. alaskana Dull. 

 Chrysodomus solutus Herrman (fragm.). 

 Chrysodomus*liratus Marty n. 

 Chrysodomus sp. (egg capsules). 

 Buccinum sp. (egg capsules). 



STATION 22. 



Latitude 69 35' N., longitude 163 27' W., 11-12 fathoms, rock and s nd 

 bottom, off cape Lisburne, Alaska. 



Seiripes laperousei Deshayes. 



Buccinum tenue Gray. 



Buccinum orotundum Dall (Young). 



Margarites (Pupillaria) sordidus Hancock. 



Margarites (Pupillaria) ecarinatus Dall. 



Acmcea emydia Dall. 



Amicula veslita Sowerby. 



STATION 23. 



Latitude 70 24' N., longitude 161 25' W., off Sea Horse islands, Alaska, 

 9-10 fathoms, mud with pebbles. 



Leda minuta Fabr. 



Leda pernula Moller. 



Leda radiata Krause. 



Leda arctica Gray. 



Nucula tennis Mont. 



Yoldia myalis Couth. 



Yoldia limatula Say. 



Musculus laevigatus Gray. 



Macoma calcarea Gmelin. 



Serripes gronlandicus Gmelin. 



Cardium cihatum Fabr. 



Astarte borealis Schum. 



Liocyma beckii Dall. 



Saxicava arctica L. 



Mya truncata L. (young). 



Admete elongata Leche. 



Chrysodomus liratus Martyn. 



Plicifusus kroyeri Moller. 



Buccinum tenue Gray. 



Neptunea beringi Dall. 



Euspira pallida Brod. & Sby. 



Euspira sp., (ovicapsules). 



Piliscus commodus (Midd.) 



Margarites (Pupillaria) sordidus Hancock. 



Machceroplax varicosus Mighels. 



