American Association for the Advancement of Science (1977-present) American Institutes of Biological Sciences (1977-81) American Society of Zoologists (1977-present) American Society of Human Genetics (1976-present) American Society of Ichthyologists and Herpetologists (1976-78;1989-present) Animal Behavior Society (1974-78) International Genetic Epidemiology Society (1990-present) New York Turtle and Tortoise Society (1990-present) Sigma Xi (1980-84; 1985-1991; 1998-present) Society for the Study of Amphibians and Reptiles (1974-78; 1989-present) Society for Conservation Biology (1989-1990) The Southern Genetics Group (1976-85) The Union of Concerned Scientists (1978-present)      Last Updated: 2/2/99