DISCUSSION OF LOG RULES. 



27 



f 



LOiOLOOoiOLftO O^OiOOOOOO OOOOOOOO 



OQOuJiOOOO OminOOOQQ OS2 < 2*<=> < ^ > S?O 

 *3cOOl~lO(MO2 S-^IMrHSt^KlQ OOo553oS 



- I 



I .3 1 



