CopperhatchetsfoundinHungary，andnowintheNationalMuseumofBudapest。
Itmayperhapsbeconvenienttointroduceafourthperiodwhencopperalonewasusedandourancestorswerestillignorantofthealloysnecessaryfortheproductionofbronze。Hesiodspeaksofathirdgenerationofmenaspossessingcopperonly，andalthoughitdoesnotdotoattachundueimportancetoisolatedfacts，recentdiscoveriesintheCevennes，inSpain，inHungary，andelsewhere，appeartoconfirmtheexistenceofanageofcopperFig。2。WemayaddthatthemoundsofNorthAmericacontainnonebutcopperimplementsandornaments，witnessesofatimewhenthatmetalalonewasknowneitherontheshoresoftheAtlanticorofthePacific[29]Fig。3。
FIGURE3
Copperbeads，fromConnett’sMound，Ohionaturalsize。
ItisimpossibletofixthedurationoftheStoneage。Itbeganwithman，itlastedforcountlesscenturies，andwefinditstillprevailingamongstcertainraceswhosettheirfacesagainstallprogress。ThescenessculptureduponEgyptianmonumentsdatingfromtheancientEmpirerepresenttheemploymentofstoneweapons，andtheirusewascontinuedthroughoutthetimeoftheLagidaeandevenintothatoftheRomandomination。Afewyearsago，ontheshoresoftheNile，I