Skull differences of females among populations based on ANOVA and multiple comparison. A, CL, BL, CB, ZB, LLJ, LMP, GMB, OL, LNB, CH; B, LDU, LAB, LLC, LUC, OWU, BAB, BNB, OS, SPC, LDL, SFC. * represents highly significant difference (p < 0.05) and ** represents significant difference (p < 0.01).