-7- 
4. Member of the Permanent Program Committee and Chairman of 
the Nominating Committee of the Society for Invertebrate 
Pathology. 
5. Member of the Editorial Board of the "Journal of 
Fish Diseases". 
6. President of the Washington, D. C. Chapter of Sigma 
Xi, The Scientific Research Society. 
7. Attended the Foundation for Advanced Education in 
the Sciences’ course, "Mechanisms of immunity and in¬ 
flammation," National Institutes of Health, Bethesda, 
Maryland, Fall 1981. 
C. Meetings ; 
1. Presented "Epizootiology of leukemia and lymphoma in 
poikilotherms" at the Xth International Symposium on 
Comparative Research on Leukemia and Related Diseases, 
31 August-4 September 1981, University of California, 
Los Angeles. 
2. Presented "Pseudo-neoplastic lesions in ectothermic 
animals" at A Symposium on the Use of Small Fish Species 
in Carcinogenicity Testing, 8-10 December 1981, National 
Institutes of Health, Bethesda, Maryland. 
PERSONNEL 
Project Officer: Dr. Clyde J. Dawe, Head, Comparative 
Oncology Section, Laboratory of Pathology, 
National Cancer Institute, National Insti¬ 
tutes of Health, Bethesda, Maryland, 20205 
Principal Investigator: Dr. Clyde F. E. Roper, Chairman, Department 
of Invertebrate Zoology, National Museum of 
Natural History, Smithsonian Institution, 
Washington, D. C., 20560 
Registry Staff ; 
Director 
Microbiologist/ 
Electron Microscopist: 
Registrar: 
John C. Harshbarger, Ph.D. 
Sing C. Chang, Ph.D. 
Phyllis M. Spero, B.S. 
