Abstract
In the Proceedings of the Prehistoric Society for 1964, the writer presented (Roe, 1964) an interim report on his programme of research on the British Lower and Middle Palaeolithic material, describing methods of studying assemblages of handaxes by metrical and statistical analysis, and outlining the first results obtained. The present paper offers a summary of the final results obtained for certain aspects of the same research project, in particular the discerning of various groupings among the 38 handaxe assemblages considered. The Groups which emerge are clusters of sites whose industries are similar in terms of the morphological range and usual degree of refinement of their handaxes.The Thesis for which the research was undertaken was completed in March, 1967 (Roe, 1967), and is available for consultation. It is of course quite impossible to quote in the present paper more than a small part of the evidence upon which the final conclusions depend.

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