Jerusalem: The Israel Academy of Sciences and Humanities, 1966. Pamphlet. 32p. (text & tables) + XLI (plates both diagrammatic and photographic), large sewn pamphlet in plain printed 10.5x7 inch wraps. Cover bears an ownership signature and faint marginal toning, inside find booksellers' marks on first blank, a very good copy. The lower pleistocene of the Central Jordan Valley; the excavations at 'Ubeidiya, 1960-1963, directed by M. Stekelis.