64 PARASITOLOGY. 



the dip. Another dip is the arsenical dip, made as 

 follows : 



Arsenious acid (white arsenic) __ 10 pounds. 



Sulphur 1 ounce. 



Soda ash 10 pounds. 



Soft soap 2 pounds. 



Boiling water 2 gallons. 



After cooling add enough water to make twenty- 

 five gallons. It is estimated that this quantity of 

 dip is sufficient for twenty-five sheep. 



The tobacco-sulphur dip is made as follows : 



Tobacco leaves 1 pound. 



Sulphur 1 pound. 



Water G gallons. 



Place the tobacco in a vessel of warm water, cover 

 and let steep for twenty-four hours. Bring to a boil, 

 let cool and strain. Press all the juice out of the 

 leaves. Mix enough water to the sulphur to make a 

 paste, then mix with the tobacco infusion, thoroughly 

 stir and heat to a temperature of 110 and sponge or 

 dip the animal. 



Coal tar products are used to some extent. Some 

 are reliable and some are not. The kreso dip put 

 up by P. D. Co. is said to contain some dissolved 

 sulphur, therefore has a double combined parasiticide 

 effect. Scaby sheep should be clipped. After one 

 week dip. At the end of ten days dip the second 

 time and remove to non-infested quarters. In case 

 of scabies in horses clip the animal. Thoroughly 

 scrub with a dip. Repeat in ten days. For dipping 

 devices for cattle there are used the plunge dip, the 

 cage dip and the spray dip. 



