Correction

NEUROSCIENCE. For the article “Identification of G protein-coupled receptors for Drosophila PRXamide peptides, CCAP, corazonin, and AKH supports a theory of ligand-receptor coevolution,” by Yoonseong Park, Young-Joon Kim, and Michael E. Adams, which appeared in number 17, August 20, 2002, of Proc. Natl. Acad. Sci. USA (99, 11423–11428; First Published August 12, 2002; 10.1073/pnas.162276199), on page 11423, in line 14 of the Abstract, the term CG11475 should read CG14575.