982 Wisconsin Academy of Sciences , Arts, and Letters. 
Table 10.—Continued. 
Date 
1902 
1903 
1905 
1906 
1906 
Observer 
Bellingrodt- 
Con. 
Hausmann 
Buttin. 
Schmidt, E. ( l ) 
Dietrich 
Roder 
Wollenweber. 
Yield of oleoresin to 
Per ct. 
Per ct. 
Per ct. 
9.95 
8.90 
8.50 
10.00 
8.00 
9.30 
8.00 
6.60 
9.60 
9.10 
6.40 
6.90 
9.80 
9.30 
7.00 
9.94 to 
10.60 
Up to 
11.20 
9.22 to 
10.1 
10.30 
10.00 
s 
Per ct. 
Benzene 
9.81 
10.10 
Petrol. 
Ether 
9.8 
9.5 
Remarks 
Rhizomes from “Wester- 
wald auf Basalt boden 
(Daaden.)” 
Rhizomes from “Hansruck 
(Simmern) ’ 
Rhizomes from “St.Gallen, 
Switzerland.” 
Rhizomes ircm “Bludenz 
(Vorarlberg).” 
Rhizomes from “Appenzell, 
Switzerland.” 
Rhizomes from “Bierber- 
wier, Tyrol.” 
Rhizomes harvested in 
spring. 
Whole rhizomes from near 
Paris harvested in Sep¬ 
tember. 
Whole rhizomes from the 
Vosges Mts. harvested in 
September. 
Whole rhizomes from the 
Jura Mts. harvested in 
September. 
Peeled rhizomes from the 
Vosges Mts. harvestsd in 
September. 
Whole rhizomes from near 
Paris harvested in Oc¬ 
tober. 
Whole rhizomes from the 
Vosges Mts. harvested in 
October. 
Whole rhizomes from the 
Jura Mts. harvested in 
October. 
Peeled rhizomes from the 
Vosges Mts. harvested in 
October. 
From air dried rhizomes. 
From rhizomes dried at 
100° C. 
Yield obtained when the 
product was heated at 
95° O for 2 hours, cooled 
in a desiccator & weighed. 
Air dried rhizomes extract¬ 
ed in a Soxhlet’s appar¬ 
atus. 
Exiccated rhizomes ex¬ 
tracted in a Soxhlet’s 
apparatus. 
Air dried rhizomes extract¬ 
ed in a Soxhlet’s appar¬ 
atus. 
Exiccated rhizomes ex¬ 
tracted in a Soxhlet’s 
apparatus, 
1. c., p. 110. 
