Comparison between virial products based on the Hα data presented in Tables A.1 (blue circles) and B.1 (green triangles) and the virial products based on Hβ in Paper I. The dashed red line shows the locus where the two values are equal. The solid black line shows the best fit to the data. The short- and long-dashed lines show the ±1σ and ±2.6σ envelopes, respectively. The largest outlier is Mrk 202, which Bentz et al. (2010) flag as having an especially dubious Hα lag measurement.