title: Correction.
abstract: In the paper "Preliminary Observations on the Biological Effects of Radiation on the Life Cycle of Trichinella spiralis" by Alicata and Burr (Science, 1949, 109, 595) the reports of earlier observations by E. E. Tyzzer and J. A. Honeij (J. Parasitol., 1916, 3, 43), B. Schwartz (J. Agric. Res., 1921, 20, 845), and others, on the deleterious effects of radiation on the reproductive tissue of T. spiralis were inadvertently omitted from the list of references.
authors.forename: J E
authors.initials: JE
authors.lastname: Alicata