140 NATURAL HISTORY OF ARCTIC AMERICA. 



Balanus balanoides Stimpson. 



Large well-developed specimens, of the low, broad form. Arcl 

 Island, September 13, 1877. This and the preceding Mere identified b 

 Mr. E. B. Wilson. 



There is also in the collection a specimen of Uyas araneus Leach (Xo. 

 1120), from "Godthaab, Greenland, September 11, 1878." On its cara- 

 pax were specimens of Balanus crenatus. 



