CRUSTACEA 201 



Lepas anatifera Linne (Goose Barnacle) 



PLATE XXI. 



On fleshy stalk which is about as long as the 

 shell of the barnacle (1 inch); shell smooth and 

 white. Attaches to ships, driftwood, etc., and is of 

 worldwide distribution. Periodic along the New 

 Jersey coast and when present is apt to be exceeding- 

 ly abundant, for example, late in the summer of 

 1931 when the Jersey beaches were covered with 

 driftwood to which this barnacle was attached. 



There is an old tradition that these shells, which 

 somewhat resemble eggs, hatched into geese — hence 

 the common name Goose Barnacle. 



Balanus balanoides Linne (Rock Barnacle) 



PLATE XXII. 



Very common on rocks between the tides ; grows 

 abundantly on the rocky coast of New England; 

 south of Long Island it is found only where rock 

 jetties have been built; it is attached to the rock 

 by its membraneous base, known as far south as 

 Cape Charles, Virginia. 



Balanus eburneus Gould (Ivory Barnacle) 



PLATE XXIII. 



Found at or below low tide, especially on wood- 

 work; frequently found inside large shells and 

 occasionally on the back of King Crabs; young bar- 

 nacles are sometimes found on sea weed; easily 



