32 OSBURN 



along the Atlantic and Pacific coasts. An "x" marks the occurrence of 

 a species in the Point Barrow and Greenland areas, while other distribu- 

 tion is indicated by locality records. Of the 113 from Arctic Alaska, 58 

 are also found south of the Bering Sea on the Pacific coast, 17 of them 

 as far as to California or even farther. On the Atlantic coast 68 of these 

 same species from Point Barrow extend southward from Greenland, 

 some only to Labrador, 35 to Cape Cod or farther. 



