Correction for Phillimore et al., Differences in spawning date between populations of common frog reveal local adaptation

EVOLUTION Correction for “Differences in spawning date between populations of common frog reveal local adaptation,” by Albert B. Phillimore, Jarrod D. Hadfield, Owen R. Jones, and Richard J. Smithers, which appeared in issue 18, May 4, 2010, of Proc Natl Acad Sci USA (107:8292–8297; first published April 19, 2010; 10.1073/pnas.0913792107).

The authors note that on page 8296, right column, Equations 10 and 11 appeared incorrectly.

The corrected equations appear below.