78 MATERIA MEDICA. 



&c. but not more efficacious than simple 

 fat, or lard. There is, also, a distilled wa- 

 ter made from it, which is often employed 

 in the com position of eye- waters, but does 

 not appear to possess any medical qualities 

 that do not exist in simple or distilled water. 



ELECTUARY OF SENNA, or Lenitive 

 EUctaary. This is an useful laxative in the 

 human body, but though recommended for 

 the same purpose in the horse by writers on 

 farriery, is certainly too weak to produce 

 any effect, though given in the dose of a 

 pound. (See Senna.) 



ELEMl GUM. A resinous substance, 

 sometimes employed in the composition of 

 digestive ointments, 



ELIXIR, PAREGORIC. A preparation 

 of camphor and opium, but in too dilute a 

 state to be ada,pted to veterinary practice. 



EMETICS. Medicines that excite vomit- 

 ing. Itis very generall}^ believed that horses 

 are incapable of vomiting; I have met with 

 one instance, however, where it occurred 

 spontaneously, and was soon after succeeded 

 by purging. 



Medicines that are considered as the most 

 violent emetics in the human system, are 



