410 STATE BOARD OF AGRICULTURE. 



Blood samples drawn on this date gave following agglutinative re- 

 sults. A six-day-old culture of Bact. abortus in glycerine bouillon was 

 used. Examination made after 48 hours. 



Light. 1-10 — complete. 



1-20 — sediment considerable, slightly cloudy. 

 1-50 — sediment slight, cloudy. 

 Check — no change. 



Dark. 1-10 — complete. 

 1-20 — complete. 



1-50 — sediment considerable, slightly cloudy. 

 Check — no change. 



On this same day Light Avas injected subcutaneously behind the 

 shoulder with G5 c.c. of culture described above. The following tempera- 

 ture records show the effect of this injection which was made at 2 p. m. : 



6-15-11.— 7 a. m. 101 



June 15, drew blood from jugular of each heifer. Light showed local 

 swelling iit jM)int of iiiooilaliou, hard and i>;iiii]<'ss. 



Agglutination tests with samples of blood drawn on this day gave 

 following results: 



