right-hand clay into slabs for ease of handling. Although both scenes on the Robinson skyphos might be interpreted as showing a simple mass of raw clay, the different types of stippling incision strongly suggest two stages of purification comparable to the effects of the settling basins. Thus the herringbone-hatched mass on side B FIG. 5. Providence 25109. Red-figure lekythos illustrations of kilns on the plaques. All of these show the K'($`%3&$ c;$H.2$=%33$4?H$,($;."$,H$-.&<5$d$4.F("-5$ K'(&$1.,(5$!#'(&?5$?&*$'.3*$#'H$'?&*$?>.B($#'([email protected]%3&e$ L?H$#'([email protected]#H3.%$?&*$?33$#'([email protected]?&?-#"?$#2"&[email protected]$ L?H$#'(H$>($=(33$E"(*$?&*$;(#1'$#'($4"%1([email protected](*5$ L?&H$>(%&!&*$>"%&($43(?-%&\2#$%;$H.2$f4.F("-g$#2"&$-'?,(3(--$?&*$*(1(%h235$ K'(&$*.$c$-2,,.&$#'($"?B?\.#'$0H"%4-$f0,?-'("g$?&*$0,?"?$$$$$!->(#.-$fV&i2(&1'?>3(g$#..5$?&*$0?>[email protected]#(-$f0'[email protected](9#.9^%(1(-g$ !&*$d,.*?,.-$f_.&i2("(."$.;$#'($V&>[email protected](*g5$='.$,[email protected](-$$ $$$$$,21'$#".2>3($;."$#'%-$1"?jP$ 0#?,4$.&$-#[email protected]%&("-5$?&*$,?H$#'($='.3([email protected]%3&$ \($#'".=&$%.$1.&;2-%&<5$='%3($#'($4.F("-$3.2*3H$=?%3P$ !-$K.$4.=*("$?33$#'($4.#-$=%#'%&$%#P$ m_.,(5$#..5$*?2_?-#$1"2(3$-4(33-5$*.$(B%3$#.$#'(,$?&*$#'(%"$'?&*%=."@P$ Z("($#..$3(#$_'(%".&$3(?*$,?&H$_(?2"-5$ \.#'$#'.-($#'?#$(-1?4(*$#'($'?&*-$.;$Z("[email protected](-$?&*$#'.-($#'?#$4("%-'(*P$ L?H$#'(H$'%-$#'(-($4.#-$'?"*5$?&*$,?H$#'([email protected]%3&$1.33?4-(P$ !&*$,?H$#'($4.F("-$=?%3$?-$#'(H$-(($#'($,%-1'%(;P$ \2#$c$-'?33$"(l.%1(*$?#$#'($-%!&*$%;$?&H.&($>(&*-$.B("$#[email protected]$%.$#'($-4H9'.3(5$,?H$'%-$='.3($;?1($$ \($-1."1'(*5$-.$#'?#$?33$,?H$3(?"&$#.$*(?3$l2-#3HP$