I. WHY A CLASSIFICATION BASED ON ARCHÆOLOGICAL EVIDENCE ALONE IS NEEDED 1 II. PLANS FOR AN ARCHÆOLOGICAL CLASSIFICATION 10 Classification of prehistoric artifacts, made by the Committee on Nomenclature 23 Articles in stone 23 Articles in clay 26 III. THE CLASSIFICATION 31 Quarrying materials 31 The beginnings of culture 33 Quarries 34 IV. CHIPPED IMPLEMENTS 48 How manufactured 48 V. CHIPPED IMPLEMENTS 80 Types without stems 80 VI. CHIPPED IMPLEMENTS 99 Projectile points with stems expanding from base or with sides parallel 99 Arrows, bows, and quivers 103 VII. CHIPPED IMPLEMENTS 127 Stem contracting from base 127 A master at flint-chipping 135 VIII. UNUSUAL FORMS IN CHIPPED OBJECTS 154 IX. AGRICULTURAL IMPLEMENTS 175 X. FLINT CELTS AND AXES 186 XI. SCRAPERS 198 Types with one or more scraping edges, without or with notch (including circular) 198 XII. CHIPPED IMPLEMENTS 210 Perforators 210 Cached flint objects 216 XIII. HAMMER-STONES AND HAMMERS 222 XIV. CONCLUSIONS AS TO CHIPPED IMPLEMENTS 232 XV. GROUND STONE 251 Polished stone hatchets or celts—the classification of hatchets, adzes, gouges, and axes 251 XVI. GROUND STONE 273 The adze and the gouge 273 XVII. GROUND STONE 287 Grooved stone axes 287 Fluted stone axes 316