114 ANIMALS OF THE SEASHORE 

 NEMERTINEA 



Elongate, unsegmented worms, usually narrow 

 and flat; characterized by the presence of a very long 

 proboscis — sometimes as long as the body of the 

 worm — which may be everted. These worms are 

 carnivorous and some are cannibalistic, They pos- 

 sess the power of regeneration to a marked degree. 



Cerebratulus lacteus Leidy 

 (Meckelia ingens Verrill) 



PLATE XI. Fig. 1 



One of the longest of all marine worms; when 

 full grown it may attain a length of six fe?t and 

 an inch in breadth; however, worms of this length 

 are very rare along the New Jersey coast and most 

 individuals are much smaller. It usually burrows 

 in sand or mud near low water mark but is occasion- 

 ally seen swimming in the water. Because of its 

 great length, it is difficult to collect a perfect speci- 

 men. Maine to Florida. 



Micrura leidyi Verrill 



PLATE XI. Fig. 2 



Red-brown or yellow, about 6 inches long; 

 prominent flesh-colored proboscis. Burrows in mud 

 Hals near low water mark from Cape Ann (Massa- 

 chusetts) to Cape May; fairly common. 



