212 Divellers of the Sea and Shore 



Into two but several pieces every piece will live and 

 function as an adult. If, on the other hand, they merely 

 are mutilated instead of cut through, bizarre forms will 

 result from this modified tendency to regenerate. 

 To exert no more effort in the capture of prey than 



EGGS OF A FLATWORM LAID ON THE GLASS SIDE OF AN AQUARIUM. (ENLARGED.) 



is required in the normal process of breathing, Is the 

 ultimate in solving the food problem. Yet this very 

 thing Is accomplished by the serpulids. Scientifically, 

 the serpulids are known as tiihicolous polych^ete anne- 

 lids. For our purpose, however. It will be sufficient to 

 understand them as tube-dwelling segmented, or ringed, 

 worms bearing bristles — which means precisely the 



