Fig. 1 :	Anterior end, showing corona radiatae, cervical groove, and a pair of cervical papillae (behind the oesophagus)
Fig. 2 :	Posterior end of male, showing spicules, a pair of prebursal papillae and arrangement of rays in bursa
Fig. 3 :	Posterior region of female, showing opening of vulva and anus
Fig. 4 :	Egg