5 
Harshbarger, JoCo Spontaneous Neoplasms in Amphibians, a Section of Chapter 
1; "Tumors,” in: Pathology of Laboratory Animals , Vol. 2, Ko Benirschke, 
F„Mo Gamer, ToCc Jones, and Co Kozma (ed.)o Springer-Verlag; New Yorko 
(In press)o 
OTHER ACTIVITIES IN 1975 
1. Hosted and addressed a Marine Biomedical Research Meeting, sponsored by 
the National Institute of Environmental Health Sciences on 13-14 February 
1975 [Bessey, 0. Status of Marine Biomedical Research, Environ., Health 
Perspect., 147-63, 1976; also summarized as Marine Biomedical Sci¬ 
entists Exam.ine Harvest of Knowledge from the Sea, The NIH Record, 27 (6) ; 
4-5, 25 March 1975]o 
2o Served as Secretary of the UICC Committee on Comparative Oncology (chaired 
by Code Dawe of the UoSo National Cancer Institute)o 
3o Conducted research on integumentary neoplasms in cunners, catfish, and 
salamanders under the auspices of the above Committee., 
4„ Presented the report, "Malignant Lymphomas of Fish in the Collection of 
the Registry of Tumors in Lower Animals," at the First International 
Workshop on Malignant Lymphoma in Esocidae held in Stockholm on 9-11 
October 1975o 
5. Attended the Vllth International Symposium on Comparative Research on 
Leukemia and Related Diseases held in Copenhagen on 13-17 October 1975. 
6o Collected catfish specimens and consulted with Dro John Couch (Environ¬ 
mental Research Laboratory, UoSo Environmental Protection Agency, Gulf 
Breeze, Florida on 5-10 December 1975) on a collaborative study of epi¬ 
dermal and melanophore neoplasms of catfish„ Also gave a seminar to 
the Laboratory's staffo 
7o Consulted with personnel of the Mt. Desert Island Biological Laboratory, 
Salsbury Cove, Maine on 29-30 July 1975 and presented a seminar on the 
current status and benefits that may accrue from the study of neoplasms 
in invertebrate and cold-blooded vertebrate animals emphasizing the ac¬ 
tivities of the Registry of Tumors in Lower Animals. 
8o Presented two papers at, and co-authored a third for, the Vlllth An¬ 
nual Meeting of the Society for Invertebrate Pathology and attended 
the Executive Council Meeting as the Society's Secretary on 18-21 
August 1975 in Corvallis, Oregon. 
9o Participated in the planning and addressed a Workshop on Molluscan 
Pathology held at the Wye Institute, Wye Mills, Maryland on 3-5 Sep¬ 
tember 1975o 
lOo Served as Secretary of the Washington, DoC., Chapter of Sigma Xi, The 
Scientific Research Society of North Americao 
