64 PARASITOLOGY. 
the dip. Another dip is the arsenical dip, made as 
follows: 
Arsenious acid (white arsenic) __10 pounds. 
SSH a a a gh nh le 1 ounce. 
Sodaash ines ee ee 10 pounds. 
SOft. SOapsoouessesesseeseee es 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 
Sulphide eee 1 pound 
Watet euscee se nceeee ue eseeee eee 6 gallons. 
Place the tobacco in a vessel of warm water, cover 
and let steep for twenty-four hours. Bring toa boil, 
let cool and strain. Press all the juice out of the 
leaves. Mix enough water to the sulphur to makea 
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 adip. Repeat inten days. For dipping 
devices for cattle there are used the plunge dip, the 
cage dip and the spray dip. 
