268 
IOWA ACADEMY OF SCIENCES. 
reed’s well. 
DATE. 
Number germs 
per cc. 
REMARKS. 
May 17th 
May 31st 
September 19th.. . . 
October 27th 
2, 500 
1,200 
7co 
Agar used. 
Agar used. 
Agar used. 
Litmus agar used. Acid and non-acid. 
miller’s well. 
May 17th 
May 31st 
270 
400 
Agar used. 
Agar used. 
paxton’s well. 
May 17th 
September 19th. . . . 
September 27th,. . . 
1, 900 
1.300 
2, 4CO 
Agar used. 
Agar used. 
Agar used. 
hardin’s well. 
May 31st 
30 
Agar used. 
Lincoln’s well. 
May 5th 
May 31st 
September 27th 
300 
400 
100 
Agar used. ) 
Agar used. VNo gas at any time. 
Agar used. ) 
hunt’s cistern. 
May 17th 
150 
Agar used. 
hoover’s spring. 
May 17th 
October 27th 
2,400 
40 
Agar used. 
Litmus agar used. Non acid producing. 
