4 JAMES A. GRIEG. [SEC. ARCT. EXP.FRAM 



to occur in the waters North and West of Baffin Bay : crenella faba, 

 tellina torelli, tellina moesta, tellina loveni, thracia truncata, thracia 

 septentrionalis, pandora glacialis, pilidium radiatwu, bela harpu- 

 laria, trichotropis conica, dendronotus frondosus. 



It is witli sincere pleasure that I here acknowledge the obligation 

 I am under to Mr. HERMAN FRIELE for his valuable advice and help 

 during the composition of this work. Not least of all am I indebted to 

 him for the liberality with which he has placed at my disposal his rich 

 collection of arctic molluscs. I am also deeply indebted to Dr. AD. S. 

 JENSEN for his kindness in looking through the material collected by the 

 expedition belonging to the genus tellina. 



