38 SANSKRIT MATERIA MEuiCA. 



For f amigation in primary syphilis, about half a drachm of 

 the black sulphide, mixed with one fourth part of wheat-flour, is 

 employed daily for seven days in succession. 1 In secondary 

 syphilitic eruptions the following composition is used for fumiga- 

 tion. Take of cinnabar one tola, realgar half a tola, powder and 

 mix. About fifteen grains of this is used at a time. Powders 

 for f amigation are heated over a fire of jujube tree wood, and the 

 vapour is applied to the skin under cover in a closed room. 



Mercury 



of several applications 



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for skin diseases, as in the following. Take of cinnabar, sulphur, 

 red oxide of lead, rock salt, seeds of Cassia tora ( chakramarda ), 

 baberung, Cleome felina ( svarnahshiri ) , and the root of Aplotaxis 

 auricula ta ( hushta ) in equal parts. Powder them, and reduce to 

 a thin paste with the juice of datura, nim or betle leaves. This ap- 

 plication is said to cure ringworm, eszema, prurigo, psoriasis etc. 2 



For lice in the hair, mercury rubbed with datura or betle leaf 

 is recommended to be applied to the scalp, 3 



ARSENIC. 



Three compounds of arsenic are used in Hindu medicine, 

 namely, arsenious anhydride or white arsenic, red sulphide of 

 arsenic ov realgar, and the yellow sulphide or orpiment. Of these 

 three, orpiment and realgar have been used in medicine from a 

 very remote period, and are indigenous to India. Native white 

 arsenic is not met with in India. It is brought from Bunnah, 



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