[Morphological studies of facial skeleton asymmetry in pongidae and hominid primates].

On the question of asymmetry in the upper facial skeleton, ten samples of hominoid primates were investigated in a comparative metrical analysis. Generally, there was a slight dominance in the right-handed measurements. With one exception these findings could be confirmed statistically, whereas sexual dimorphism could not be shown to be significant in this respect. The question, whether the differences between right and left measurements show a bimodal distribution and so suggest a certain amount of reversed asymmetry, could not be answered clearly because the sample size was limited. Most of the distributions are explicable in accordance with this assumption.