﻿ECHIUROID 
  WOKMS 
  OF 
  NORTH 
  I'ACllTC 
  — 
  FISHER 
  235 
  

  

  Figure 
  U— 
  Listriolobus 
  pelodtj, 
  new 
  spoics: 
  Small 
  8j)ccimcn, 
  X 
  IS, 
  showing 
  arrangement 
  

   of 
  organs. 
  The 
  greater 
  part 
  of 
  the 
  intestine 
  has 
  been 
  removed. 
  In 
  this 
  specimen 
  the 
  

   ncphridia 
  arc 
  very 
  small. 
  Lettering 
  as 
  in 
  figure 
  II. 
  

  

  