LAMPREYS AND HAG-FISHES. 439 



bodies of cod into which it has eaten its way. A more 

 repulsive animal could not be easily imagined, for it is 

 Hag-fish blind, the mouth without lips and having four 

 or Glutin- barbels ; the abdomen with rows of sacs that 

 ous Hag. secrete a quantity of slime. There is but one 

 opening to the internal gill-pouches. This form inhabits 

 our deeper northern waters. 



