Erratum
In the report "X-ray diffraction to 302 giga-pascals: High-pressure crystal structure of cesium iodide" by H. K. Mao et al. (3 Nov., p. 649), reference 10, to a paper by R. Reichlin et al. [Phys. Rev. Lett. 56, 2858 (1986)], was incorrectly numbered (9) in the text (p. 649, column 3, line 1; p. 650, column 1, line 49).