DRACUNCULUS MEDINENSIS 



FlG. 277. Anterior ex- 

 tremity of Guinea worm, 

 showing dorsal and ventral 

 lips, one lateral and two sub- 

 median papillae and the lateral 

 line. (After Leuckart.) 



FIG. 276. Guinea 

 worm {Dracunculus medi- 

 riensts. (After Leuckart.) 



FIG. 278. Dracunculus medinensis. a, 

 anterior extremity seen end on ; O, mouth ; 

 P, papillae ; b, female reduced more than 

 half; c, larvae enlarged. fAfter Claus.) 



