No. 4] NORTH-AMERICAN EARTHWORMS. 



171 



8-spth p. 

 ti 9 spth p 



Fig. I. 



>'^Z 



Spermathecal LJ; 

 sexual papillae f^—^ 

 in 8 and 9 



Xl 



>;^- 



>M 



-Spermathecal pores 



Pores of accessory 

 9 glands 



Spermathecal pores 



14 ov. p. 



, Clitellum 



\=:\ '9 I P 



fel 20 prost p 



Fig. 2. 

 Diplocardia Michaeheni n. sp. 



Fig. I. — Anterior part of worm 



seen from the side. 

 Fig. 2. — Ventral part of somites 



7-24. 

 Fig. 3. — Tip of a spermathecal 



seta. 



^^-^ 23 



Fig. 3. 



