Raymond Dart , an anatomist at the University of Witwatersrand , received the fossil , recognized its importance and published his discovery in the journal Nature in 1925 , describing it as a new species . Raymond Dart ( 1893 â `` 1988 ) , an anatomist at the University of Witwatersrand , received the fossil , recognized its importance and published his discovery in the journal Nature in 1925 , describing it as a new species .