-4- 
Harshbarger, J. C., E. R. Jacobson, C. E, Smith, and J. A. Couch. 
1980. Hematopoietic neoplasms in invertebrates and cold-blooded 
vertebrates. In: Advances in Comparative Leukemia Research, D. 
Yohn, B. Lapin and J. Blakeslee (eds.), pp. 223-225, Elsevier 
North Holland: New York. 
DeLanney, L., S. C. Chang, J. Harshbarger, and C. Dawe. 1980. Mast 
cell tumors in the caudate amphibian, Ambystoma mexicanum. In: 
Advances in Comparative Leukemia Research, D. Yohn, B. Lapin and 
J. Blakeslee (eds.), pp, 221-222, Elsevier North Holland: New York. 
Sindermann, C. J., R. B. Bang, N. 0. Christensen, V. Dethlefsen, 
J. C. Harshbarger, J. R. Mitchell, and M. F. Mulcahy. 1980. The 
role and value of pathobiology in pollution effects monitoring 
programs. Rapp. P.-v. Reun. Cons, int. Explor. Mer, 179 :135-151. 
Black, J. J., J. Harshbarger, and R. F. Zeigel. 1981. Tumors in fish 
from a copper contaminated lake. Proc. Am. Assoc. Cancer Res, Am. 
Soc. Clin. Oncol., April 30-May 2, 1981, Washington, D. C., Vol. 
22, p. 134. (abstr.). 
Chang, S. C., J. C. Harshbarger, and S. V. Otto, (in press). Status 
of cytoplasmic prokaryote infections and neoplasms in bivalve 
mollusks. Proceedings of the Sixth FDA Science Symposium: Aqua¬ 
culture — Public Health, Regulatory, and Management Aspects, 
February 12-14, 1980, New Orleans, Louisiana. 
Hoover, K. L., J. C. Harshbarger, C. W. Lee, W. Banfield, and S, C. 
Chang, (in press). Intranuclear inclusion bodies within neurons 
of spinal and cranial ganglia in three cyprinodont species. Cell 
Tissue Res. 
Harshbarger, J. C. (in press). Closing remarks. Proceedings of The 
Eleventh International S 3 nnposium of The Princess Takamatsu Cancer 
Research Fund: Phyletlc Approaches to Cancer, November 11-13, 1980, 
Tokyo, Japan. 
Harshbarger, J. C., A. M. Charles, and P. M. Spero. (in press). Col¬ 
lection and analysis of neoplasms in sub-homeothermic animals from 
a phyletlc point of view. Proceedings of The Eleventh International 
Symposium of The Princess Takamatsu Cancer Research Fund: Phyletlc 
Approaches to Cancer, November 11-13, 1980, Tokyo, Japan. 
SELECTED ACTIVITIES IN 1980 
A. Research activities : 
1. Studied, diagnosed and described for the files approximately 
160 cases of diseases in cold-blooded vertebrates and in¬ 
vertebrates. 
