394 OLIGOCHAETA 



P. nipponica and P. darnleiensis are remarkable for the globular appendices of the 

 diverticula, which do not occur in other species. The species will now be arranged 

 in accordance with the number of spermathecae and the segments in which they occur. 

 I leave out the few species with more than a single pair in each segment. 



A. One pair of spermathecae. 



(i) Spermathecae, one pair in vi (one species). 

 P. elongata, E. P. 



(2) Spermathecae, one pair in vii (two species). 



P- ininima, Horst. 



P. quadragenaria, E. P. 



(3) Spermathecae, one pair in viii (four species). 



P. taprobanae, F. E. B. 

 P. sangirensis, Mich. 

 P. pulchra, Mich. 

 P. vitiensis, F. E. B. 



(4) Spermathecae, one pair in ix (one species). 



P. racemosa, Rosa. 



B. Two pairs of spermathecae. 



(5) Spermathecae in vi, vii (three species). 



P. hassellti, Hobst. 



P. morrisi, F. E. B, 



P. barbadensis (in part.), F. E. B. 



(6) Spermathecae in vii, viii (nine species). 



P- tokioends, F. E. B. 

 P- hesperidum, F. E. B. 

 P. mauritiana, F. E. B. 

 P. ferdinandi, Mich. 

 P. hilgendorfi, Mich. 

 P. japonica, Hoest. 

 P. musica, Hoest. 

 P. schmardae, Hoest. 

 P. annulata, Hoest. 



(7) Spermathecae in viii, ix (thirteen species). 



P. fasciata, Rosa. 

 P. grubei, Rosa. 



