4}^ 



l \ 





Tab. 20. 



C/ t/^'/^?^n/d/Z^y ' >9 <r^i>7? . /v TJ/aq/7 . 7 //7/. Ij, jnar^n . 0"ratcc^.J 



/^■■ft.,„„jui a^-^^y, /itii. tf^uix 



