!(>(> ANIMALS OF THK SEASHORE 



Fig. 26 

 W'nod bored by Shipworm (Teredo navallis Linne) 



very destructive to piling-, wharves, buoys and even 

 vessels. Various kinds of paints have been perfected 

 to coat the wood in an attempt to protect it from the 

 lavages of this pest. 



The ship worm is world-wide in distribution; 

 along the New Jersey coast the tubes grow to 6 

 inches in length. In tropical waters they may attain 

 the length of two feet or more. 



Various species or varieties of the ship worm 

 have been described, based upon slight differences 

 in the shell or pallets. 



GASTROPODA 



The word Gastropoda means stomach-footed; 



the foot of this mollusk is really a thickening of the 

 surface of the animal, giving the impression that the 

 animal walks on its stomach. There is a great deal 



