MICHIGAN ACADEMY OF SCIENCE. 
113 
Well Waters, Etc. —Con. 
Ammonia. 
Place. 
No. 
sample. 
Cl. 
No. of 
Germs. 
Effect on 
animals. 
Free. 
Alb. 
1 
3 
1 
.15 
.2 
20 
24,000 
12 
.558 
.802 
24.5 
2,110 
9+ 
7 
.103 
.162 
22.8 
674 
34- 
1 
.910 
.120 
155 
2,000 
1 
.002 
.007 
205 
81,000 
14- 
25 
.041 
.068 
7.4 
3,296 
84- 
4 
11,385 
1 
2 
.020 
.200 
9.9 
365 
394 
2 
.840 
.912 
13.2 
1,522 
2 
.035 
.450 
.400 
6,512 
14- 
1 
.030 
.040 
10.5 
10 
.07 
.037 
10.3 
712 
2+ 
2 
.195 
.129 
19 
625 
-• T *ii 
1 
.055 
.010 
4.3 
10 
1 
.030 
.060 
10.8 
1 
.040 
.240 
13 
24,000 
1 
.200 
.090 
16.5 
1 
.04 
.07 
102. 
600 
2 
.004 
.078 
2.2 
15 
2 
.011 
.047 
8.5 
95 
14- 
1 
.020 
.150 
5.5 
700 
12 
.060 
.099 
15.4 
4,060 
44- 
2 
.005 
.010 
24 
20 
2 
.087 
.070 
50.6 
217 
1 
.010 
.010 
62.16 
72,000 
2 
.573 
.368 
5.1 
2,925 
14- 
1 
.005 
.010 
.500 
6 
1 
.020 
0.20 
6 
4,800 
1 
.030 
.010 
4 
400 
14- 
4 
.092 
.257 
43.1 
92 
14- 
2 
73 
15 
.185 
.231 
24.8 
370 
44- 
3 
.007 
.126 
8.8 
108 
24- 
12 
.048 
0.66 
8.53 
7,421 
1 
.058 
1.24 
100.6 
1,234 
1 
.720 
.160 
7.00 
—160 
14- 
1 
.020 
.030 
9.9 
15 
3 
.092 
.41 
17.6 
1,160 
24- 
1 
.010 
4. 
2,400 
8 
.113 
.197 
95.8 
437 
1+ 
4 
.073 
.093 
18.7 
2,900 
14- 
1 
.040 
.140 
99 
14- 
2 
.010 
.090 
37.1 
14- 
1 
.100 
.100 
49.5 
1,250,000 
1 
.350 
.220 
2.2 
6,000 
8 
.130 
.075 
5.2 
21 
2 
0.18 
.049 
10. 
1,220 
2 
1,270 
14- 
6 
.008 
.008 
3.9 
933 
14- 
.680 
.285 
520 
3 
.009 
.017 
18.2 
877 
1 
.016 
.013 
6.6 
4 
.133 
.171 
31.1 
625 
24- 
3 
.270 
.046 
7 
Yale . 
3 
.220 
.068 
25.2 
11,258 
24- 
2 
215 
.062 
22.7 
322 
.126 
.142 
25.3 
107+ 
Total. 
300 
4,261 
15 
