Some fresh-water oligochaeta of Nagpur,India

The paper records the occurrence of 23 species of fresh-water oligochaetes belonging to five families collected in and around Nagpur City. Of these, Nais andina Cernosvitov is a new record for the Indian sub-continent and for the eastern hemisphere. Its sex organs are described for the first time here. Aulophorus moghei is new to science. Sixteen other species, Nais andina and Aulophorus moghei are planktonic forms and the rest inhabit mud at the bottom of water sources.