_Sepia Red._
10.--Citric acid. 80 grains.
Carbonate of soda. 135 "
Citrate of potash. 12 "
Oxalate of potash. 3 "

11.--Citric acid. 108 grains.
Carbonate of magnesia. 68 "
Carbonate of potash. 12 "
Oxalate of potash. 3 "

_Sepia Yellow._
12.--Citric acid. 40 grains.
Carbonate of magnesia. 25 "
Citrate of ammonia. 166 "

13.--Citric acid. 120 grains.
Carbonate of magnesia. 72 "
Carbonate of ammonia. 72 "
Chloride of sodium. 8 "

_Blue Black._
14.--Citric acid. 120 grains.
Carbonate of ammonia. 70 "
Carbonate of magnesia. 15 "

15.--Citric acid. 120 grains.
Carbonate of magnesia. 38 "
Carbonate of ammonia. 44 "