PEDIGEEE OF WORMS. 



I5i 



Chsetopoda 



Drilomorpha 



Phractlielminthes 

 Ecliinrida 

 Sipunculida 



Gephyrea 

 Chsetoffnatha 

 Neiiiatoda 



Acantho- 

 cephala 



Nemathelmintlies 



Hirndinea 



Onychophora 



Arctisca 



Annelida 



Stelmopoda 



Lophopoda 

 Bryozoa 



Rotifera 



Enteropneusta 



Asoidia | 

 Thalicea iNemertina 



Rhynchoccela 



Tunicata 



CcElomati (worms with body -cavity) 

 Oestoda 



Trematoda 



Turbellaria 

 Platyhelminthes 



Accelomi (worms without hody-cavity) 



Archelminthes 

 Prothelmis 



Gastrsea 



