Chapt. xvii. Arsenical soap. 23 1 



membering that fish shrink dreadfully. Sew up the open- 

 ing with needle and thread. Wash off the paper; spread 

 out the tail and the fins on the good side and back, with 

 pins and card board, so that the rays may be easily count- 

 ed. Paint over outside with spirits of turpentine, and 

 dry in the shade. 



For arsenical soap the following recipe may be reli- 

 ed on. Take 



36 Tolas of bar soap. 

 30 „ „ white arsenic in powder. 

 12 „ „ camphor. 

 4 „ „ carbonate of potash. 



Put the soap in one pint of water, and let it simmer slow- 

 ly for a quarter of an hour. Then add the arsenic flour 

 and well mix it. Pound the camphor in a little spirits 

 of wine, and add it when the soap mixture is lukewarm 

 and the carbonate of potash when it is cold. 



This recipe is in a convenient form for Indians, if it 

 is remembered that the unit of weight, a tola, is exactly 

 the weight of a Kupee. It is equivalent to 180 grains. 



I add another recipe however in English terms: — 



Arsenic 2 pounds. 



English bar soap 2 pounds. 



Salt of tartar 12 ounces. 



Camphor 12 ounces. 



Cut the soap into thin slices; put it, with a pint of water, 

 into a pot over a gentle fire, stir it with a wooden spatula ; 

 when the soap is dissolved add the salts of tartar, take 



