FOURTH LECTURE. 345 



active than the powder of Guy, ought to be thus 

 compounded. 



Melt twelve ounces of very pure tin, and add to 

 it three ounces of mercury ; let the mixture cool, 

 triturate it in a mortar to a very fine powder; while 

 triturating the mixture, add seven ounces of sub- 

 limed sulphur, and three ounces of muriate of am- 

 monia. 



The dose is ten grains, twice a day. ' 



(206) Fothergill, Med. Observations and Enq. 

 etc. Lindmann ; see Salzburg, Medicin. chirurg. 

 Zeil. 1791, i B. p. 304, recommend to give an 

 ounce of tin filings for six days in succession, and 

 direct a purgative the seventh. 



(207) Observata chirurgica, Fasc. ii, etc. 



(1^08) It is not long since M. Mathieu, decorat- 

 ed with the honorable title of Counsellor of the 

 Court, by the present king of Prussia, who granted 

 him besides a handsome pension for life, made pub- 

 lic the method, which, for a number of years, he had 

 employed with so much success, against both spe- 

 cies of taenia. 



Humanity will always be indebted to Frederick 

 William III for having made kuown, for the bene- 

 fit of the world, a method which must be more effi- 

 cacious than any other which has hecn recommend- 

 ed to this day. 



The electuaries wliich M. Mathieu administers 

 to his patients arc mild ; the first is marked A. the 

 second B. 



44 



