682 
Journal of Agricultural Research 
Vol. XXXI, No. 7 
Table X. —Number of guinea pigs which yielded positive or negative cultural results 
for Bacterium abortus following inoculations with milk from experimental cows 
in Tables //, IV , 7, VI , VII , VIII , and IX 
COWS TREATED WITH BACTERIUM ABORTUS BACTERIN 
Cow No.« 
First 
group 
(inoculated 
Mar. 29, 
1922) 
Second 
group 
(inoculated 
Aug. 24, 
1922) 
Third 
group 
(inoculated 
Oct. 10, 
1922) 
Fourth 
group 
(inoculated 
Dec. 6, 
1922) 
Fifth 
group 
(inoculated 
May 9, 
1923) 
Sixth 
group 
(inoculated 
Sept. 27, 
1923) 
Seventh 
group 
(inoculated 
Feb. 20, 
1924) 
Posi¬ 
tive 
Nega¬ 
tive 
Posi¬ 
tive 
Nega¬ 
tive 
Posi¬ 
tive 
Nega¬ 
tive 
Posi-. 
tive 
Nega¬ 
tive 
Posi¬ 
tive 
Nega¬ 
tive 
Posi¬ 
tive 
Nega¬ 
tive 
Posi¬ 
tive 
Nega¬ 
tive 
51 
2 
3 
3 
247 
2 
2 
i 
2 
3 
4 
2 
1 
3 
439 
1 
1 
2 
1 
2 
2 
4 
3 
3 
435 
2 
2 
2 
1 
2 
2 
1 
4 
1 
2 
1 
3 
43P 
1 
1 
1 
2 
1 
2 
3 
1 
3 
3 
3 
40Q 
1 
2 
1 
2 
2 
1 
1 
2 
1 
3 
3 
2 
442 
2 
2 
1 
2 
3 
2 
1 
2 
2 
450 
2 
2 
1 
1 
2 
3 
2 
1 
2 
1 
2 
' 
CONTROLS 
17 
2 
1 
1 
2 
3 
1 
2 
3 
4 
3 
1 
2 
71 
1 
3 
3 
3 
3 
3 
4 
04 
1 
3 
2 
3 
3 
4 
3 
4 
993 
1 
1 
3 
2 
1 
2 
2 
1 
2 
3 
1 
954 
1 
2 
x 
3 
3 
3 
2 
2 
2 
1 
4 
441 
3 
1 
3 
4 
3 
3 
455 
3 
1 
1 
1 
2 
1 
3 
1 
3 
1 
2 
4 
4£ft 
1 
3 
3 
3 
3 
3 
4 
• Cow No. 51 died after third test. 
Table XI .—Agglutination reactions of blood obtained on different dates during 
the experiments 
COWS TREATED WITH BACTERIUM ABORTUS BACTERIN 
Cow No. 
Tested 
Mar. 28,1922 
Tested 
Aug. 23,1922 
Tested 
Oct. 9,1922 
Tested 
Dec. 5,1922 
Tested 
May 8,1923 
151.. 
+ + + PSS 
+++++- 
++++++ 
++++PS 
++++++ 
+ + +.+ + + 
+ + + + + “}“ 
sssss- 
++++S— 
++++++ 
++++++ 
S S S S P P 
PP++++ 
PPP+++ 
PPPP++ 
PPP++S 
+++++P 
++++++ 
PPP+++ 
+PPPPP 
PP++++ 
++++++ 
+PPP+P 
++++PP 
++++++ 
++++++ 
+ + + + SS 
+++PP- 
+++++P 
++++++ 
-i—1—l—H S — 
++++++ 
++++PP 
+ PSSS - 
PPP+++ 
++++S- 
P+++++ 
++++PP 
247. 
432. 
435. 
439. 
409. 
442. 
468. 
CONTROLS 
17. 
+++PPP 
P P s s s s 
++PPPP 
+++++- 
-H-SSS- 
++++++ 
+++PS- 
++++++ 
+ + + + H— 
+ + PPSS 
++++++ 
++PPPP 
71. 
++++PP 
+++++S 
PP++++ 
++++++ 
+ 4- 4- 4* 4- P 
84.. 
++PPPP 
+++PPS 
++PPP- 
223 . 
++++++ 
P+++++ 
+++++- 
++++++ 
254. 
++++++ 
++++PP 
++++++ 
4" + + 4“ 4* p 
441. 
+++++- 
++++PP 
+++++P 
+++PP- 
465. 
PPP P P P 
P+++P- 
p P P P P s 
++++P- 
466. 
P P P P P - 
+PPPPP 
P P P P P s 
4- 4- 4- + p — 
