V. Chalapati Rao, Associate Professor of Environmental Virology at Baylor College of Medicine, Houston, died on July 6, 1986. Joseph L. Melnick is Distinguished Service Professor of Virology and Epidemiology and Dean of Graduate Sciences at Baylor College of Medicine, Houston. Dr. Melnick is recognized internationally as a leader in virology. He was elected to be the first Chairman of the Virology Section of the International Association of Microbiological Societies. Since 1957 he has been a member of the World Health Organization Expert Advisory Panel on Viral Diseases.

• 1. Human Eccentric Viruses in Sediments, Sludges, and Soils. 2. Physical and Chemical Characteristics of Sediments, Sludges, and Soils. 3. Methods for Recovering Viruses from Aquatic Sediments. 4. Role of Sediments in the Persistence and Transport of Enteric Viruses in the Estuarine Environment. 5. Virus Association with Suspended Solids. 6. Bioaccumulation and Disposition of Solids-Associated Virus by Shellfish. 7. Methods for Concentration and Recovery of Viruses from Wastewater Sludge. 8. Mechanism of Virus Inactivation in Wastewater Sludges. 9. Face of Viruses During Sludge Processing. 10 Methods for Recovering Enteroviruses from Different Types of Soils. 11. Transport and Fate of Viruses in Soils: Field Studies. 12. Survival and Transport of Viruses in Soils: Model Studies. 13. Viral Aspects of Applying Wastes and Sludges to Land. 14. Interactions between Clay Minerals and Viruses. Index

V. Chalapati Rao, Associate Professor of Environmental Virology at Baylor College of Medicine, Houston, died on July 6, 1986. Joseph L. Melnick is Distinguished Service Professor of Virology and Epidemiology and Dean of Graduate Sciences at Baylor College of Medicine, Houston. Dr. Melnick is recognized internationally as a leader in virology. He was elected to be the first Chairman of the Virology Section of the International Association of Microbiological Societies. Since 1957 he has been a member of the World Health Organization Expert Advisory Panel on Viral Diseases.

• 1. Human Eccentric Viruses in Sediments, Sludges, and Soils. 2. Physical and Chemical Characteristics of Sediments, Sludges, and Soils. 3. Methods for Recovering Viruses from Aquatic Sediments. 4. Role of Sediments in the Persistence and Transport of Enteric Viruses in the Estuarine Environment. 5. Virus Association with Suspended Solids. 6. Bioaccumulation and Disposition of Solids-Associated Virus by Shellfish. 7. Methods for Concentration and Recovery of Viruses from Wastewater Sludge. 8. Mechanism of Virus Inactivation in Wastewater Sludges. 9. Face of Viruses During Sludge Processing. 10 Methods for Recovering Enteroviruses from Different Types of Soils. 11. Transport and Fate of Viruses in Soils: Field Studies. 12. Survival and Transport of Viruses in Soils: Model Studies. 13. Viral Aspects of Applying Wastes and Sludges to Land. 14. Interactions between Clay Minerals and Viruses. Index

V. Chalapati Rao, Associate Professor of Environmental Virology at Baylor College of Medicine, Houston, died on July 6, 1986. Joseph L. Melnick is Distinguished Service Professor of Virology and Epidemiology and Dean of Graduate Sciences at Baylor College of Medicine, Houston. Dr. Melnick is recognized internationally as a leader in virology. He was elected to be the first Chairman of the Virology Section of the International Association of Microbiological Societies. Since 1957 he has been a member of the World Health Organization Expert Advisory Panel on Viral Diseases.

• 1. Human Eccentric Viruses in Sediments, Sludges, and Soils. 2. Physical and Chemical Characteristics of Sediments, Sludges, and Soils. 3. Methods for Recovering Viruses from Aquatic Sediments. 4. Role of Sediments in the Persistence and Transport of Enteric Viruses in the Estuarine Environment. 5. Virus Association with Suspended Solids. 6. Bioaccumulation and Disposition of Solids-Associated Virus by Shellfish. 7. Methods for Concentration and Recovery of Viruses from Wastewater Sludge. 8. Mechanism of Virus Inactivation in Wastewater Sludges. 9. Face of Viruses During Sludge Processing. 10 Methods for Recovering Enteroviruses from Different Types of Soils. 11. Transport and Fate of Viruses in Soils: Field Studies. 12. Survival and Transport of Viruses in Soils: Model Studies. 13. Viral Aspects of Applying Wastes and Sludges to Land. 14. Interactions between Clay Minerals and Viruses. Index