140 NATUKAL HISTORY OF ARCTIC AMERICA. 



Balanus balanoides Stimpson. 



Largo well-developed specimens, of the low, broad form. Arctic 

 Island, September 13, 1877. This and the preceding were identified by 

 Mr. E. B. Wilson. 



There is also in the T'oUection a specimen of Hyas araneus Leach (No. 

 1420), from "Godthaab, Greenland, September 11^ 1878." On its cara- 

 pax were specimens of Balanus crenaius. 



