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*$#'H$'?&*$?>.B($#'($@%3&e$ L?H$#'($@.#H3.%$?&*$?33$#'($@?&?-#"?$#2"&$?$<..*$>3?1@5$ L?H$#'(H$>($=(33$E"(*$?&*$;(#1'$#'($4"%1($?-@(*5$ L?&H$>(%&<$-.3*$%&$#'($,?"@(#43?1($?&*$,?&H$.&$#'($".?*-5$ !&*$>"%&<$%&$,21'$,.&(H5$?&*$,?H$,H$-.&<$>($43(?-%&<P$ \2#$%;$H.2$f4.F("-g$#2"&$-'?,(3(--$?&*$*(1(%h235$ K'(&$*.$c$-2,,.&$#'($"?B?<("-$.;$@%3&-5$ \.#'$0H&#"%4-$f0,?-'("g$?&*$0,?"?<.-$f_"?-'("g$?&*$$ $$$$$!->(#.-$fV&i2(&1'?>3(g$#..5$?&*$0?>?@#(-$f0'?@(9#.9^%(1(-g$ !&*$d,.*?,.-$f_.&i2("(."$.;$#'($V&>?@(*g5$='.$,?@(-$$ $$$$$,21'$#".2>3($;."$#'%-$1"?jP$ 0#?,4$.&$-#.@%&<$#2&&(3$?&*$1'?,>("-5$?&*$,?H$#'($='.3($@%3&$ \($#'".=&$%&#.$1.&;2-%&<5$='%3($#'($4.F("-$3.2*3H$=?%3P$ !-$<"%&*-$?$'."-(k-$l?=$-.$,?H$#'($@%3&$<"%&*$ K.$4.=*("$?33$#'($4.#-$=%#'%&$%#P$ m_.,(5$#..5$*?2<'#("$.;$#'($02&5$_%"1($.;$,?&H$-4(33-5$ _?-#$1"2(3$-4(33-5$*.$(B%3$#.$#'(,$?&*$#'(%"$'?&*%=."@P$ Z("($#..$3(#$_'(%".&$3(?*$,?&H$_(&#?2"-5$ \.#'$#'.-($#'?#$(-1?4(*$#'($'?&*-$.;$Z("?@3(-$?&*$#'.-($#'?#$4("%-'(*P$ L?H$#'(H$'%-$#'(-($4.#-$'?"*5$?&*$,?H$#'($@%3&$1.33?4-(P$ !&*$,?H$#'($4.F("-$=?%3$?-$#'(H$-(($#'($,%-1'%(;P$ \2#$c$-'?33$"(l.%1(*$?#$#'($-%<'#$.;$#'(%"$321@3(--$1"?jPn$ !&*$%;$?&H.&($>(&*-$.B("$#.$3..@$%&#.$#'($-4H9'.3(5$,?H$'%-$='.3($;?1($$ \($-1."1'(*5$-.$#'?#$?33$,?H$3(?"&$#.$*(?3$l2-#3HP$