2l8 



Dwellers of the Sea and Shore 



her body, and is no mean antagonist of many larger 

 creatures. She will easily overpower any other worm, 

 not her species, which Is her equal In size. Nor Is she 

 above destroying the weaker of her own species when 

 hunger Impels. She has a well-developed head on 



NEREIS, THE SAND WORM, ATTACKING A SMALLER INDIVIDUAL. 



which the eyes, feelers, and other specialized sense 

 organs are located. Her eyes are somewhat primitive 

 In structure and seem Incapable of forming a distinct 

 Image of surrounding objects; she relies principally on 

 her feelers and olfactory organs to detect the proximity 

 of her prey. 



