30 



c25 



o 



C 

 o 



20 



f 15 

 > 



■f-» 



c 



o 



b 30 



B 25 



c 20 



o 15 



g 10 



c 



CO 



Rat 105 



fc^ 



Rat 



Rat 116 



!=& = 



Rat m 



Rat 



46 



o 



- o— 



20 30 40 50 60 



Age of infection in days 



70 



80 90 



Figure 26. Constancy of body length in a clone of Trypanosoma lewisi 

 which remained in the same host for many days. The same clone is repre- 

 sented living in the blood of three different rats. (Redrawn from Talia- 

 ferro, '23). 



