53 



Fig. 9. 

 Branch ellion aus- 

 tralis. — Diagram- 

 matic scheme of 

 the reproductive 

 system viewed 

 from the ventral 

 surface, d.e., duc- 

 tus ejaculatorii ; 

 P., penis ,B., bursa ; 

 j , male genital 

 aperture ; <j) , fe- 

 male genital aper- 

 ture : Ov., ovary; 

 Od., oviduct; T., 

 testes (first pair) ; 

 V.D., vas defer- 

 ens: Y.E.. vasa 

 efferentia. 



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