POTASH. 257 



of lice, etc., in the skin. It is apt to leave a blemish by 

 causing the hair to fall off, and in some cases where I 

 have seen it used too extensively, perhaps the hair did 

 not come again. The better way to use coal oil is to 

 mix equal parts with some other oil having no acrid 

 principle. 



Phosphorus. — An elementary substance resembling 

 wax. There is, however, another resembling brick dust, 

 when in a mass. The preparations of phosphorus are 

 numerous : — Hypophosphate of ammonia, hypophosphate 

 of iron, and the phosphate of lime, or bone, or 

 earth, phosphate of soda, and of quinine. Phosphoric 

 acid, diluted, is the one which should be used in veteri- 

 nary practice. 



Phosphoric Acid — Is used in diseases of the bones of 

 young colts. 



Doses. — For young colts, the dose will vary from ten 

 to sixty drops, given diluted in cold water. 



Pitch. — Burgundy Pitch. — The concrete juice of 

 the Abies exeelsa. — This is used in the composition of the 

 plaster, formerly used over the loins, in weakness, sprains, 

 lumbago, etc., in the horse. — Not now recommended. 



Pomegranate Punica- — G-ranatum. — The bark of 

 the root of this tree is used for the destruction of tape 

 worm, in all animals. Take of the bark, one ounce ; 

 water, one pint ; and boil down one half. The dose for 

 the dog will be a small wine glassful. 



Poppies. — (See Opium.) 



Potash. — Oxide of Potassium. — Preparations of pot- 

 ash are many : — ' 



(1.) Caustic Potash. — Used as its name indicates, as 

 a caustic, and is a favorite one of mine. Many persons 

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