8 VETERI]!^ARY MATERIA MEDICA. 



Cataplasmata, poultices, are applications made 

 to supply heat and moisture to a part. They are 

 sometimes medicated. Farina lini, etc., are usually 

 employed. 



CoLLUNARiUM, is a nasal douche or wash, con- 

 sisting of various substances dissolved in water with 

 the addition of a small quantity of glycerin. 



CoLLYRiUM, an eye-wash, an aqueous solution of 

 medicinal substances for application to the eye. 



Discus, a disk, is a thin scale of gelatin, medi- 

 cated for local application to the eye. 



Electuaria, electuaries or "pastes," are prepara- 

 tions consisting of various medicinal substances 

 beaten up with honey, syrup, molasses, or glyce- 

 rin, so as to form a thick paste, and are given with 

 a spoon and smeared upon the tongue and teeth. 



Emulsiones, emulsions, are mixtures containing 

 an oil or a resin minutely subdivided and in a state 

 of suspension in the mixture. This may be accom- 

 plished by the aid of some viscid excipient, i.e., gum, 

 soap, alkali, or yolk of q^^. 



Enemata, enemata or clysters, are liquid prepara- 

 tions for injection into the rectum for various pur- 

 poses. 



FoTUS, a fomentation, is a lotion used hot and 

 without friction, and may consist of water alone or 

 may be medicated. 



GArgarysma, a gargle, an aqueous solution or 

 mixture for application to the pharyngeal mucous 

 membrane. It usually contains some disinfectant 

 or astringent. 



