TYPHOID FEVER IN DISTRICT OF COLUMBIA 
147 
Bacteriology of the shallow wells in the District of Columbia — Continued. 
No. 
Location. 
Date. 
Number 
of bac- 
teria per 
cubic 
centi- 
meter. 
Ferment in lac- 
bouillon. 
B. coli present. 
0.1 cc. 
Icc. 
10 cc. 
0.1 cc. 
Icc. 
10 cc. 
j^orthwest — Continued. 
1906. 
121 
Chevy Chase well 
Aug. 13 
2 
- 
- 
- 
— 
- 
- 
158 
do 
Aug. 21 
60 
— 
— 
- 
— 
— 
— 
127 
Twelfth street and Florida avenue 
Aug. 14 
1 
— 
— 




L 
do 
July 7 
8 
128 
Eighth street and Barry place 
Aug. 14 
(?) 
— 
_ 




171 
do 
Aug. 22 
(?) 
4 _ 
4 _ 
383 
do 
Oct. 6 
132 




L 
do 
July 7 
128 
4 - 
do ... 
128 
Aug. 4 
95 
Aug. 6 
38 
Aug. 7 
25 
Aug. 8 
34 
Aug. 9 
31 
4- 
+ 
Aug. 10 
21 
128 
do 
Aug. 11 
22 
Aug. 13 
90 
+ 
Aug. 14 
35 
Aug. 15 
55 
+ 
Aug. 16 
2 
4- 
Aug. 17 
28 
Aug. 18 
34 
Aug. 20 
29 
130 
North Capitol and Randolph streets... 
Aug. 14 
23 
— 





381 
do 
Oct. 6 
128 
— 
— 
— 
— 
— 
— 
L 
do 
July 7 
38 
131 
New Jersey and Morgan avenues 
Aug. 14 
6 






330 
do 
Sept. 26 
13 
— 
— 
— 
— 
— 
— 
363 
do 
Oct. 3 
7 
L 
do 
July 7 
17 
4 _ 
169 
Newton street, east of Brightwood 
Aug. 22 
200 
+ 
4- 
427 
do 
Oct. 11 
98 
+ 
+ 
. 4 - 
L 
do 
July 7 
3 
4 - 
170 
Sixth street, north of Fairmont 
Aug. 22 
20 




382 
do 
Oct. 6 
26 
_ 
— 
— 
— 
— 
L 
do 
July 7 
12 
175 
Thirty-third street and Wisconsin 
avenue 
Aug. 23 
450 
-j- 
+ 
4- 
368 
do 
Oct. 4 
102 
L 
do 
J uly 18 
107 
201 
Zoo, near office 
Aug. 28 
(a ?) 
4 - 
- 1 - 
-j- 
202 
Zoo, pump 
do 
200 
4- 
4 _ 
203 
Zoo, near refreshment stand 
do. . . 
a 120 
+ 
+ 
+ 
204 
Massachusetts avenue, near Wisconsin 
avenue 
do. . . 
21 


454 
do 
Oct. 15 
224 
j 

L 
do 
July 18 
55 
226 
Brightwood avenue, facing Jones’s 
blacksmith shop 
Aug. 31 
820 
- 
+ 
+ 
— 
— 
— 
441 
Oct. 13 
246 
+ 
+ 
+ 
-o In 1 cc ?. 
