162 GENERAL THERAPEUTICS FOR VETERINARIANS 



with cold or lukewarm water and let stand 24 hours; bring to a 

 boil the evening before using, and let stand over night. Take 1 

 pound of flowers of sulphur for each 6 gallons of dip desired and 

 mix in a bucket with water to the consistency of gruel. When 

 ready to use, strain the tobacco infusion, expressing the liquid 

 from the tobacco leaves; mix the infusion with the sulphur gruel, 

 and add sufficient water to make the desired quantity of dip. 

 Use at a temperature of 100 to 110° F. and keep each sheep ha the 

 dip two minutes, ducking its head at least once; repeat in 10 days. 

 Extracts of tobacco and nicotine solutions are on the market which 

 may be used in place of the tobacco leaves, thus simplifying the 

 preparation of the dip. These substances should be used in a 

 quantity which will produce a mixture containing not less than 

 five one-hundredths of one per cent, of nicotine and 2 per cent, of 

 flowers of sulphur.] 



Remedies against Acarus Mites [Demodex]. — Peru balsam, 

 creolin, corrosive sublimate, sulphurated potash, cantharides oint- 

 ment, oil of caraway, formaldehyde, bisulphide of carbon. 



Remedies against Lice. — Mercurial ointment, creolin, lysol, 

 bacillol, arsenic, tobacco, corrosive sublimate, insect powder, 

 stavesacre seeds, cevadilla seeds, white hellebore, aniseed. These 

 are also employed against the hair parasites [mallophagae]. 



Remedies against Fleas. — Persian insect powder. 



Remedies against Feather Parasites. — Oil of anise, insect 

 powder, petroselinum, Peru balsam, creolin. The same remedies 

 are used against the other skin parasites of birds. 



Remedies against Ticks. — OUve oil, turpentine oil, carbolic 

 acid in oil, creolin in oil. 



[Arsenic has been found very effective for destroying ticks on 

 cattle. The solution is prepared as follows : 25 gallons of water are 

 placed in a caldron and brought to a boil; 24 pounds of sodium car- 

 bonate are added and dissolved by stirring; 8 pounds of arsenic are 

 then added and the mixture stirred until it is dissolved. The fire 

 is then drawn and when the solution has cooled down to 140° F., 

 one gallon of pine tar is slowly added and thoroughly mixed with 

 the solution by stirring. Sufficient water is at once added to make 



