Comparison of ⟨ B_z ⟩ measured using Balmer lines (x-axis) with ⟨ B_z ⟩ measured using metal lines (y-axis) in the full magnetic star sample, for stars with at least 5σ field detections, with both H and metal σ< 250 G, and spectral types of early A or B. In the upper right corner, the two outliers are HD 66318 with ⟨ B_z ⟩ (metal) > ⟨ B_z ⟩ (H), and HD 318107 with ⟨ B_z ⟩ (metal) < ⟨ B_z ⟩ (H). In the negative field region the two most obvious outliers are NGC 2244–334, well above the mean line at ⟨ B_z ⟩ (H) = −9700 G, and NGC 2169–12 at ⟨ B_z ⟩ (H) = −3500 G. All remaining points with ⟨ B_z ⟩ (H) < − 4000 G are measurements of HD 75049. The line represents equality of the two ⟨ B_z ⟩ values.