IOWA ACADEMY OF SCIENCES. 
265 
Investigations carried on with the water supply of var- 
ious wells in the vicinity of Ames by Messrs. McKinley 
and Thomas and Mr. Faurot gave the following results: 
faurot’s well. 
DATE. 
Number germs 
per cc. 
REMARKS. 
April 23d 
1,600 
4,500 
9,36o 
9,480 
220 
Collected after a rain 
April 23d 
May 22d 
May 29th 
July 6th 
Average 
5,032 
otis house well. 
May 7th 
80 
Collected without ice. 
May 21st 
3 
Collected without ice. 
May 28th 
200 
Collected without ice. 
July 2d 
54,000 
Indication of something in pipes. 
August 8th 
120 
Indication of something in pipes. 
August 8th 
None 
After pumping 15 minutes, collected with ice. 
October 4th 
120 
With ice — first pumping. 
Optnfvpf ^jfh 
360 
With ice — after pumping. 
October 23d 
3,000 
First pumping— no gas. 
October 23d.. 
2,400 
Second pumping — no gas. 
Average 
6,028 
LABORATORY TAP. 
May 7th 
None. 
Poured immediately. 
May 21st 
None. 
Poured immediately. 
October 4th 
360 
Poured immediately. 
October 17th 
520 
Poured immediately. 
October 17th 
700 
Poured immediately. 
November 6th 
80 
Poured immediately. 
Average 
276 
parson’s WELL. 
May 7th.. 
May 21st. . 
May 28th . . 
July 2nd. . . 
August 8th 
August 8th 
3, 600 
Failure. 
1,300 
90 
150 
170 
Well full. 
Well full. 
Well full. 
With ice. 
With ice. 
With ice. 
First pumpjng. Very little water in well. 
First pumping. Very little water in well. 
Second pumping. Very little water in well. 
October 23d 
CO 
Without ice. 
Second pumping. No gas. 
October 23d 
380 
Without ice. 
First pumping. 
Average . 
643 
