Nova Guinea. This serial is continued in a handy octavo format, onwards of new series vol. 6 (1955). It embodies contributions on botany, zoology, geology and ethnography. A new redaction committee is formed of four members for these different branches, general editor is Prof. H.J. Lam, Rijksherbarium, Leyden, secretary of the redaction is Dr M.A. Lieftinck, Mus. Nat. Hist., Leyden. Symposium on land connections across the South Atlantic with special reference to the Mesozoic of the South Atlantic Basin; of. Bull. Am. Mus. Nat. Hist. 99 (1952).