The South African Hirudinea. 319 



the species with the exception of H. septemstriata form a very com- 

 plete series, and at the same time the latter species agrees with all 

 except H. capensis in the possession of seven dorsal pigment bands, 

 and in another detail, if Grube's account is accurate, approximates 

 as a variation to H. notabilis. 



