Billings, Brendon Kurt2013-05-292013-05-292013-05-29http://hdl.handle.net/10539/12741A dissertation submitted to Faculty of Science, University of the Witwatersrand, in fulfilment of the requirements for the degree of Master of Science. Johannesburg, 2012.enMarais, Eugène Nielen, 1872-1936.Primates - Evolution.A critical evaluation of Eugene Nielen Marais's contribution to the study of primate behaviour with specific reference to the evolution of consciousnessThesis