> 4 - 
6. Served on the Interagency Collaborative Group on Environmental Carcino¬ 
genesis (chaired by H.Fo Kraybill of the U.So National Cancer Institute), 
7, Served as Secretary for the Society for Invertebrate Pathology. 
8, Served as a member of the Committee on Animal Models and Genetic Stocks 
of the National Research Council of the National Academy of Sciences. 
9. Addressed the Society of Pharmacological and Environmental Pathologists 
(see page 3; paper no. 3). 
10, Participated in a cooperative investigation of the etiology of several 
diseases of bivalve mollusks, supported in part by the U.S. Food and Drug 
Administration. 
11. Presented a paper (see page 3; paper no. 2) at the Xlth International Can¬ 
cer Congress held in Florence, Italy, on 20-26 October 1974. 
PERSONNEL 
The Project Officer for the contract is Dr. Clyde J. Dawe, Head, Comparative 
Oncology Section, Laboratory of Pathology, National Cancer Institute, National 
Institutes of Health, Bethesda, Maryland, 20014. 
The Principal Investigator for the contract is Dr. David L. Pawson, Chairman, 
Department of Invertebrate Zoology, National Museum of Natural History, 
Smithsonian Institution, Washington, D.C., 20560. 
The staff of the Registry is as follows: 
Director - John C. Harshbarger, Ph.D. 
Electron Microscopist - Sing Chen Chang, Ph.D, 
Registrar - Phyllis M, Schellenger, B.S. 
Histopathology Technician - Linda J„ Cullen, BoA, 
Bibliographers - Judith E, Foster, B.S, and Marilyn S. Slatick, B.S. 
