CONTENTS: Dedication, Preface, Acknowledgements, Abbreviations, 1.Introduction and Review of Literature, Recent Treatment of the Kingdom Fungi, History of axonomic Treatment of Mysomycetes, History of Biodiversity Explorations of Indian Mysomycees, Economic Importance, Distribution and Ecology of Myxomycetes, 2. Geographical Features of Eastern Himalayan and the Royal Kingdom of Bhutan. Sites and Localities Explored, Key Features of Taxonomic Delimitation,3. The Methodology, 4. Taxonomic Treatment, Key to the Subclasses, Subclass I Ceratiomyxomycetidae, Genus and Species, Subclass II Myxogastromycetidae, Key to the Orders, Liceales, Families, Genera and Species, Echinoseliales, Families, Genera and Species, richiales, Families, Genera and Species, Physales, Families Genea and Species, Subclass III Semonitomycetidae, Genera and Species, 5. Graphic Representation of State Wise Distribution of Species from Eastern Himalayas , Plains of North East India and the Royal Kingdom of Bhutan. 6. An index to Myxomycetes of India and the Royal Kingdom of Bhutan, 7. List of Excluded Doubtful Species with Inadequate information. Figures and Plates. Literature Cited. Subject Index