sponsored jointly by the University of Ceylon, Peradeniya, Department of Agriculture, Peradeniya, and the Smithsonian Institution, Washington, D.C., U.S.A. ; edited by B. A. Abeywickrama
sponsored jointly by the University of Peradeniya, Department of Agriculture, Peradeniya, Sri Lanka, and the Smithsonian Institution, Washington, D.C., U.S.A. ; editorial board, M.D. Dassanayake and F.R. Fosberg