Four-week summer course in Costa Rica on the scientific study of subsistence, medicinal, ceremonial, and esthetic use of plants and animals by human societies. Lectures and demonstrations in San José. Travel to southern Costa Rica to learn the use of resources in contrasting communities including Zancudo coastal community, Abrojos Guaymi Indian Reservation, and Guatil, a Chorotega Indian village. Offered by the Organization for Tropical Studies in Costa Rica from mid-July to mid-August. Prerequisites: one semester of biology and Spanish. Taught at Gómez, Las Cruces Biological Station/Wilson Botanical Garden. One course.