I . — List of controls. 
Num- 
ber. 
Date. 
Drops of 
tjTphoid 
bouillon. 
Period of contact. 
Result. 
1 
8/12 
5 
Short 
1 
2 
8/12 
0 
1 
3 
8/13 
5 
Short 
- 
4 
8/13 
0 
- 
5 
8/15 
5 
Short 
+ 
6 
8/15 
5 
do 
- 
7 
8/15 
5 
do 
+ 
8 
8/19 
5 
do 
+ 
9 
8/20 
5 
do 
+ 1 
10 
8/20 
0 
i 
~ ! 
11 
8/22 
5 
Short 
+ 
12 
8/24 
5 
do 
- 
13 
8/25 
5 
do 
- 
14 
8/25 
2 
do 
- 
15 
8/26 
5 
do 
- 
16 
8/26 
2 
do 
-1- 
17 
8/27 
2 
do 
+ 
18 
8/27 
5 
do 
+ 
19 
8/28 
5 
do 
-f 
20 
8/28 
2 
do 
+ 
21 
8/29 
5 
do 
-1- 
22 
8/29 
2 
do 
1 + 
23 
8/31 
5 
do 
-f 
24 
8/31 
2 
do 
+ 
25 
9/1 
2 
do 
-1- 
26 
9/1 
5 
do 
+ 
27 
9/2 
2 
do 
+ 
28 i 
9/2 
5 
do 
+ 
29 ! 
9/3 
24 hours 
+ 
30 
9/3 
15 1 
do 
+ 
31 ‘ 
9/3 
Short 
+ 
32 j 
9/3 
5 
do 
■ 
33 
9/4 
5 
24 hours 
+ 
34 1 
9/4 
20 
do 
- 
35 1 
9/4 
• l| 
Short 
+ 
36 ! 
9/4 
5 
do 
- 
37 
9/5 
l| 
do 
-1- 
38 
9/5 
do 
+ 
39 
9/5 
15 1 
24 hours 
- 
40 
9/5 
3 ' 
do 
- 
41 ; 
9/8 
3 
72 hours 
- 
42 1 
9/8 
15 1 
do 
- 
43 1 
9/8 
1 
Short 
-f 
44, 
9/8 
5 
do 
4- 
45 1 
9/9 
3 
24 hours 
- 
46 I 
9/9 
15 
do 
- 
47 1 
9/9 
1 
Short 
- 
48 ; 
9/9 
5 
do 
- 
49 
9/10 
3 
24 hours 
- 
50 
9/10 
15 
• do 
- 
51 
9/10 
1 
Short 
+ 
52 
9/10 
5 
do 
-1- 
53 
9/11 
5 
do 
+ 
Date. 
Drops of 
t3rphoid 
bouillon. 
Period of contact. 
Result. 
9/11 
15 
24 hours 
-1- 
9/11 
3 
do 
- 
9/11 
1 
Short 
+ 
9/14 
5 
do 
-1- 
9/14 
3 
24 hours 
+ 
9/14 
1 
Short 
-f 
9/14 
15 
24 hours 
+ 
9/15 
1 
Short 
+ 
9/15 
3 
24 hours 
+ 
9/15 
15 
do 
-f 
9/15 
5 
Short 
+ 
9/16 
3 
24 hours 
-f- 
9/16 
1 
Short 
-f 
9/16 
15 
24 hours 
-f 
9/16 
5 
Short 
i -1- 
9/17 
5 
do 
-f 
9/17 
15 
24 hours 
+ 
9/17 
3 
do 
-1- 
9/17 
1 
Short 
+ 
9/18 
3 
24 horns 
+ 
9/18 
15 
do 
+ 
9/18 
5 
Short 
-1- 
9/18 
1 
do 
+ 
9/21 
5 
do 
-1- 
9/21 
1 
do 
+ 
9/21 
15 
48 hours 
-1- 
9/21 
3 
do 
+ 
9/22 
3 
24 hours 
-1- 
9/22 
5 
Short 
-f 
9/22 
1 
do 
-4- 
9/22 
15 
24 hours 
-1- 
9/23 
5 
Short 
+ 
9/23 
1 
do 
-1- 
9/23 
15 
24 hours 
+ 
9/23 
3 
do 
+ 
9/24 
5 
Short 
+ 
9/24 
1 
do 
-f 
9/24 
3 
24 horns 
4- 
9/24 
15 
do 
4- 
9/25 
3 
do 
-h 
9/25 
5 
Short 
4- 
' 9/25 
1 
do 
4- 
j 9/25 
15 
24 hours 
4- 
! 9/26 
3 
do 
+ 
9/26 
1 
Short 
4- 
9/26 
5 
do 
4- 
9/26 
15 
24 hours 
4- 
9/28 
1 
Short 
4- 
9/28 
5 
do 
4- 
9/28 
3 
24 hours 
4- 
9/28 
15 
do 
-h 
9/29 
3 
do 
4- 
9/29 
15 
do j 
4- 
Num- 
ber. 
54 
55 
'56 
57 
58 
59 
60 
61 
62 
63 
64 
65 
66 
67 
68 
69 
70 
71 
72 
73 
74 
75 
76 
77 
78 
79 
80 
81 
82 
83 
84 
85 
86 
87 
88 
89 
90 
91 
92 
93 
94 
95 
96 
97 
98 
99 
100 
101 
102 
103 
104 
105 
106 
