﻿ILLUSTRATIONS 



Plate I 



Fig. 1. Corral 1, used for determining the length of time that infection of 

 rinderpest remains alive after the removal of infected animals. 

 2. Corral 2, used for determining the length of time that rinderpest 

 virus remains alive after the removal of infected animals. 



Plate II 



Corral 3, used for securing close contact of animals to determine the rela- 

 tion existing between the period of infectiveness and the stage of the 

 disease. 



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