680 



OLIGOCHAETA 



with all the Eudrilidae, the genus Evdrilus differs from some other Eudrilidae in 

 the four following characters : — 



(i) The integument has numerous sense (?) organs, very like Pacinian bodies, 

 (a) The sperm-ducts dilate into a wide chamber just before they open into 

 the funnels. 



