Christie, Peter, Webb2017-05-112017-05-111990http://hdl.handle.net/10539/22532A thesis submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfillment of the requirements for the degree of Doctor of PhilosophyThis thesis is a study of quantifiable variation in the geometric shape of the superior articular surface of the talus of higher primates, with special reference to fossil tali of Plio- Pleistocene hominids. (Abbreviation abstract )enPhysical anthropology -- Mathematical models.Human evolutionFossil hominids -- EvolutionHuman locomotion -- mathematical modelsAnklebone -- anatomyMathematical representation and analysis of articular surfaces: application to the functional anatomy and palaeo-anthropology of the ankle jointThesis