Tab. 18. 





oV-/'" 





y V '" ■, 



■ 'v'y'v\' 



y:?^t//My^a^u^^^^ 



y(7///^//i//6///?/^//7//^/^^ ■ '/J//I'/// /r/,wyfff//.u''a.d,/m<///./r/rMft.J 



^ A5.7m^.nt-aai7t//,^.'y'A i^ pircx. 



