| Abstract: |
English summary on page 17 as follows: In the study of the fauna in the transition from the Late Pleistocene to the Early Holocen, formerly, the author had based on the fauna from the late Pleistocene cave sediments and those in the Hoabinhian sites. At present, due to the ESRdating of the fossils in Lang Trang which goes baco to 5000.000 years in comparing with about 20.000 years of the date of some Hoabinhian sites,the author proposes to review on the former standard collections of the fauna sites. The author also proposes to concentrate an all-sided study in the sites which continuously stratified from Pleistocene to Holocene to solve more completely the problems of environmental changes.
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