14 
A great many molds common to the air and to hay, were found in 
this virus, indicating stable contamination. 
MANUFACTURER NO. 4. 
Number of organisms found. 
Dry joints. 
Glycerinated virus. 
1,530 
10, 372 
2,376 
11, 232 
2,160 
18,404 
8,024 
1,414 
9, 688 
1,540 
12, 800 
1,842 
2,928 
Here we have a manufacturer who puts up both kinds of virus, but 
his glycerinated product contains more bacteria than his dry points. 
MANUFACTURER NO. 5. 
Number of organisms found. 
Dry points. 
Glycerinated virus. 
no 
84 
182 
768 
220 
1, 680 
575 
1,700 
7, 200 
2, 069 
11,200 
10, 400 
15, 760 
17,000 
«219 
o86 
«297 
«97 
«458 
«160 
«648 
«257 
513 
5127 
518 
5170 
5 20 
5245 
5 27 
a Taken from the same lot and examined three months later. 
^’Another sample. 
The only comment that it seems necessaiy to make on the product of 
this manufacturer is its unevenness. While the average is fair, we 
found two capillary tubes of glycerinated virus to contain an excessive 
contamination. It may be that these tubes were placed upon the 
market before they were sufficiently glycerinated. 
