1014 Wisconsin Academy of Sciences, Arts, and Letters, 
Table 30. — Crude filicin content of commercial samples of the oleoresin 
determined by Fromme's method. 
Sample 
No. 
2 . 
1 . 
2 . 
3 . 
4 . 
5 . 
6 . 
1 to 16. 
Date! 
1901 
1903 
1911 
Observer 
Caesar & Loretz. 
Source 
1 .... 
2 . 
3 . 
4 . 
1 . 
2 . 
3.. 
4. 
5...... 
6 ..... 
1 to 7 
1912 
191 
Prepared by the firm. 
Evans Sons, Lescher & 
Webb. 
Parry .. ..... 
Evans Sons, Lescher & 
Webb. 
Southall Bros. & Barclay 
1913 
9. 
10 . 
11 
12 .. 
13.. 
Bohrisch 
England 
Germany 
DuMez. 
Evans Sons, Lescher & 
Webb. 
Goris & Voisin., 
Harrison & Self 
Hill 
England . 
United States 
Germany ... . 
England . 
Germany. 
United States 
Not given. 
Germany ... 
Switzerland 
France. 
Germany ... 
England 
Not given. 
Crude filicin 
Per cent. 
21.40 
26.15 
27.37 
28.17 
30.00 
30.12 
30.80 
30.92 
27.08 
28.22 
28.78 
29.39 
30.05 
36.60 
26.30 
28.00 
8.40 (*) 
8.60 ( x ) 
8.80 l 1 ) 
9.00 (»> 
9.20 (») 
10.80 (*) 
22.90 to 26.30 
6.09 (») 
7.16 (») 
26.04 
28.76 
14.85 
15.42 
16.00 
24.00 
8.79 
14.36 
16.55 
17.51 ( l ) 
20.32 
20.77 
21.3 to 25.30 
15.60 (H 
19.60 (') 
19.70 (*) 
13.61 to 19.00 
7.13 to 24.00 
20.60 to 22.13 
13.70 
19.10 
21.20 
24.80 
25.80 
28.10 
11.60 
13.20 
14.10 
18.10 
18.92 
19.30 
20.22 
20.67 
21.57 
21.60 
22.00 
22.65 
23.10 
(*) 
