Contents: Author's preface,Glossary of technical terms,Systematic index, Introduction- Position of ciliophora in the animal kingdom,general organization and structure,study of the group in India, classification and phylogeny, The geographical distribution of Indian ciliophora, Distribution of parasitic forms(1)List of parasites and their hosts,(ii)List of hosts and their parasites, Technique, Systematic description of species, Bibliography, Alphabetical index.