title: Erratum.
abstract: The value of the ratio of "apparent" retention volumes (V'(R)) (H)/V'(R))D, given in paragraph 2, sentence 3 of the report, "Isotope Effects in Gas-Liquid Chromatography," by K. E. Wilybach and P. Riesz [Science 126, 748 (18 October 1957)], should have been 1.08 +/- 0.01 instead of 1.80 +/- 0.01.