152 



STATE BOARD OF AGRICULTURE. 



maining unabsorbed, was removed from the abdomen by means of a 

 sterile pipette or a small cup, immediately after killing the pig. 



In this work, I have injected 56 virus pigs with saline solution, the 

 injection varying in amount from 20 cubic centimeters to 45 cubic centi- 

 meters per pound of body weight and varying in time let remain in 

 abdomen from 3 hours to 14 hours as per the following table of virus pigs, 

 showing amount of injection, time let remain and i>er cent recovered. 



With the virulent salt solution taken from abdomen of above virus 

 pigs, I have hyperimmunized (43) pigs injecting virus subcutaneously 

 at the rate of from 10 to 20 cubic centimeters per pound of body weight 

 as shown in the following table of hyperimmunes and following data on 

 experiments : 



