34 



is always included, whether it is clearly in process of growth or is completed. On 

 this method of procedure, which is tlie only one praetically possible, it follows 



^■OC5t^ »f5 ^ ^-f C^ !>• »^ CC ^H o^ r^ lO CO T— I c; t^ »o 

 S'^icio »o »r^ o -^ -"^ -i* ^ ^ CO CC CC cc cc Oi ^ c-i 





O 



c3 



13 

 Cl 

 03 



^^ ^^ "^ '"^ '"'t^ ^^ 



CO 





CO CO 



CO CO CO 

 CO CO CO 

 CO CO CO 

 CO CO CO 

 CO CO CO 

 CO CO CO CO 



CO CO :0 CO 



CO CO CO CO 

 CO CO CO CO CO 

 CO CO CO CO CO 

 CO CO CO CO CO 



CO CO CO CO CO CO 



CO CO CO CO CO CO CO CO CO CO 



(:M fM 1^3 -M Ol 



T'i ff^ i:m (» TI 0^ 



(M Ti (N (>J (N (^^ (>I 



c*, c^- 



Ti T3 » TI TJ Tq (M TI 



o 



■g ^+ 



a "X »so lO 



CN (N tM (M TI C^ 



