Mouusks 7 A 



Sp;ecies Obtained at each Station West of the Mackenzie JIiver. 



STATION 206-c. 



■Grantley harbour, port Clarence, in 2-3 fathoms muddy bottom, near 



Teller, Alaska. 



Leda intermedia Sars. 

 Mytilus edulis L. 



Macoma inconspicua Brod. & Sby. 

 Cardium californiense Deshayes. 

 Cylichna nucleola Reeve. 

 Utriculus semen Reeve. 

 Chrysodomus liratus Martyn (young). 

 Lacuna divaricata Fabr. 

 Natica clausa Brod. & Sby. 

 Amauropsis purpurea Dall. 

 Gastropod eggs. 



STATION 20d. 



Grantley harbour, port Clarence, near Teller, Alaska. Beach. 



' Leda intermedia Sars. 

 Mytilus edulis L. 

 Tellina (Peronidia) lutea Gray. 

 Macoma inconspicua Brod. & Sby. 

 Macoma incongrua von Martens. 

 Macoma balthica L.. (young). 

 Cardium californiense Deshayes. 

 Serripes gronlandicus Gmelin. 

 Saxicava arctica L. 

 My a intermedia Dall. 

 Cyrtodaria kurriana Dunker. 

 Adrfiete middendorffiana Dall. 

 Chrysodomus solutus Herrman (fragm.). 

 Littorina grandis Midd. 

 Natica clausa Brod. & Sby. 

 Amauropsis purpurea Dall. 



STATION 20fif.- 



Port Clarence, Bering strait, Alaska, 2-3 fathoms, sandy mud. 



Mytilus edulis L., also young, on floating kelp, sta 20h. 



Tellina (Peronidia) lutea Gray. 



Macorha inconspicua Brod. & Sby. 



Cardium californiense Deshayes. 



Spisula polynyma (Stm.) var. alaskana Dall. 



CoryphelM ef. salmonacea Couthouy; and ovicapsules. 



Philine cf . sinuata' Stm. 



Littorina grandis Midd. 



Cfii"ysodomus solutus Herrman 



Chrysodomus saturus Martyn. 



Lacuna divaricata Fabr. (Young) ; also on floating kelp, 20/i. 



Natica clausa Brod. & Sby., and nidamental capsules. 



'Greyish brown in colour rthe gill filaments white-tipped. 



