232 



OLIGOCHAETA 



Peloscolex is necessarily left out of consideration, as we do not know enough 

 about it. 



Pmmmoryctes 

 Semituhi/ex 



Lophvchaeta 



Tulifex 



Spirosperma - 



Lnmbriculidae 



-Hegperodrilus 



-Telmatodrilus 



Limnodrilus 



Clitellio 



Vermiculus 



- Bothrionenron 



BrancMwra 



Ka.idomorpba 



I'hreudrilus 



