INTRODUCTION In the beginning of 1935,a party of geologists was sent by Di.W.H.Wong,Director of the Geological Survey,in order to survey the Cenozoicformations of Kwangsi.The party,including P.Teilhard de Chardin,Dr.C.C.Young and the author,was met in Canton and greatly assisted in thefield by Dr.H.C.Chang,Professor at the Sunyatsen University (Canton).