RECEIPTS. 93 



CHAPTER VIII. 

 RECEIPTS. 



FOR VARIOUS ARTICLES USED IN THE PRESERVATION AND 

 SETTING UP OF ANIMALS. 



SOLUTION OF CORROSIVE SUBLIMATE. 



Mr. Waterfall's Method. 



Put a good large tea-spoonful of well-pounded corrosive subli- 

 mate into a wine bottle full of alcohol (spirits of wine). Let it 

 stand over night, and, the next morning, draw it off into a clean 

 bottle. When the solution is applied to black substances, and 

 little white particles are perceived on them, it will be necessary 

 to make it weaker, by the addition of some alcohol. 



A black feather, dipped in the solution, and then dried, will 

 be a good test of the state of the solution : if it be too strong, it will 

 leave a whiteness upon the feather. 



ARSENICAL SOAP. 



Invented by Becoeur, Apothecary ;, Metz. 



Arsenic, in powder, - - - 2 pounds. 



Camphor, 5 ounces. 



White Soap, 2 pounds. 



Salt of Tartar, 12 ounces. 



Powdered Lime, - . - - - 4 ounces. 

 The soap must be cut in small and very thin slices, put into a 

 crucible with a small quantity of water, held over a gentle fire, 

 and frequently stirred with a wooden spatula, or a piece of wood of 

 any kind. When it is properly melted, the powdered lime and salt 

 of tartar must then be added, and thoroughly mixed. It must 

 now be taken off the fire, the arsenic added gently, and stirred. 

 The camphor must be reduced into a powder, by beating it in a mor- 

 tar, with the addition of a little spirits of wine. The camphor 

 must then be added, and the composition well mixed with a spat- 

 ula, while off the fire. It may be again placed on the fire, to as- 

 sist in making the ingredients incorporate properly, but not much 

 heated, as the camphor will very rapidly escape. It may now 



