1892.] 
No. 3 (10093). 
SnCl 
HCl 
2 
Mordant, wash, and dye i in separate bath of — 
Barberry Root 
No. 4 (10091). 
CuSO, 
Mordant, wash, ‘and dye i in separate bath of - 
"Barberry Root 
No. 5 (10092). 
FeSO, 
Tartar 
Mordant, wash, and dye in separate bath of 
Barberry Root 
CATECHU. 
No. 1 (10205). 
Catechu 
Boil 1- 14 hours; sadden in separate bath of — 
*K, Cr 0, : 
for at hour at 80°-100° ©. 
2 (10206). 
ee as No. 1, but sadden in bath of 
Cuso, ; : : 
No. 3 (10207). 
Same as No. 1, but sadden in bath of 
FeSO, ‘ : , 
No. 4 (10208). 
Same as No. 1, but sadden in bath of 
Al,(SO,); | 
No. 5 (10209). 
Same as No. 1, but sadden in bath of 
SnCl, 
Loawoop. 
Gray.—No. 10094. 
Logwood : 
Boil; then treat in separate bath of 
Cr,0, ; ; 
Wash well. 
NEW YORK ACADEMY OF SCIENCES. 
0.6 gm. 
0.4 gm. 
1.00 gm. 
0.4 gm. 
175 
