SARSAPARILLA — SILVER. 159 



with swollen heels, inflamed eyes, or other 

 inflammatory complaints, it would be found 

 an useful remedy. 



SENNA. The leaves are an efl*ectual 

 purgative in the human body ; but in the 

 horse it is an inconvenient medicine, on ac- 

 count of the large quantity requisite to pro- 

 duce this efl'ect. Some writers on farriery 

 have recommended a strong infusion of 

 senna, with Glauber's salt, as an expeditious 

 laxative. I have given senna in considerable 

 doses without the least effect. I tried also the 

 following mixture so strongly recommended 

 by many writers on farriery which did not 

 affect the bowels in the slightest degree. 



Senna three ounces, infused in a quart 

 of boiling water, and kept in a warm situa- 

 tion about an hour ; the infusion was then 

 strained off, and the remainder forced off 

 by considerable pressure. In this infusion 

 we dissolved four ounces of Glauber's salt, 

 and gave the whole to a horse at one dose. 



SIALOGOGUES. Medicines that cause 

 an increased secretion of saliva, the pvinci- 

 pal of which are the preparations of mer- 

 cury. 



SILVER. The only preparation this 



