S A Canadian Arctic Expedition, 1913-18 



STATION 20m. 

 Beach at port Clarence, Alaska. 



Spisula polynyma (Stm.) var. alaskana Dall. 

 Chrysodomus' solutus Herrman (fragm.). 

 Chrysodomus liratus Martyn. 

 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 vesiita Sow erhy . 



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 tenuis Mont. 



Yoldia myalis Couth. 



Yoldia limatula Say. 



Musculus laevigatus Gray. 



Macoma calcarea Gmelin. 



Serripes gronlandicus Gmelin. 



Cardium ciliatum Fabr. 



Astarte borealis Schum. 



Liocyma beckii Dall. 



Saxicava arctica L. 



Mya truncata L. (young). 



Admete elongata Leche. 



Chrysodomus Ziraiws Martyn. 



Plicifusus kroyeri Moller. 



Buccinum tenue Gray. 



Neptunea beringi Dall. 



Euspira pallida Brod. & Sby. 



Euspira sp., (ovicapsules) . 



Piliscus commodus (Midd.) 



Margarites (Pupillaria) sordidus Hancock. 



Machosroplax varicosus Mighels. 



