SEVENTH ANNUAL YEAR BOOK— PART X. 509 



The proportions adopted by Rutherford and afterwards made ofiBcial 

 by the scab sanitary authorities are: 



Tobacco leaves pound 1 



Flowers of sulphur pound 1 



Water (original formula, 5 gallons imperial, equivalent to 



6 United States gallons) gallons 6 



The advantage of this dip lies in the fact that two of the best scab 

 remedies, namely, tobacco (nicotine) and sulphur, are used together, both 

 of which kill the parasites, while the sulphur remains in the wool and 

 protects for some time against reinfection. As no caustic is used to 

 soften the scab, heat must be relied on to penetrate the crusts. 



Directions for preparing tobacco and sulphur dip — The tobacco and 

 sulphur dip is prepared as follows: 



A. Infusing the tobacco: Place 1 pound of good leaf or manufactured 

 tobacco for every 6 gallons of dip desired in a covered boiler of cold or 

 lukewarm water and allow to stand for about twenty-four hours; on the 

 evening before dipping bring the water to near the boiling point (212° F.) 

 for an instant, then remove the fire and allow the infusion to stand 

 over night. 



B. Thoroughly mix the sulphur (1 pound to every 6 gallons of dip 

 desired) with the hand in a bucket of water to the consistency of gruel. 



C. When ready to dip thoroughly strain the tobacco infusion (a) from 

 the leaves by pressure, mix the liquid with the sulphur gruel; (b) add 

 enough water to make the required amount of dip and thoroughly stir 

 the entire mixture. 



All things considered, the tobacco and sulphur is as good a dip as is 

 known at the present time. 



LIME AND SULPHtTB DIPS. 



Various formulas for lime and sulphur dips — Under the term "lime and 

 sulphur dips" are included a large number of different formulas requiring 

 lime and sulphur in different proportions. In general practice all of 

 these dips are spoken of as "the lime sulphur dip," but in reality each 

 separate formula represents a separate dip. 



To give an idea of the variety of the lime and sulphur dips, the fol- 

 lowing list is quoted, the ingredient reduced in all cases to avoirdupois 

 pounds and United States gallons: 



1. The original "Victorian lime-and-sulphur dip" proposed by Dr. Rowe, 

 adopted as official in Australia: 



Flowers of sulphur pounds 20 5-5 



Fresh slaked lime pounds 10 5-12 



Water . gallons 100 



2. South African (Cape Town) official lime-and-sulphur dip: 



Flowers of sulphur (minimum) pounds 15 



Unslaked lime pounds 15 



Water gallons 100 



3. South African (Cape Town) official lime-and-sulphur dip February 4, 1897: 



Flowers of sulphur — pounds 20 5-6 



Unslacked lime pounds 16 2-3 



Water ..gallons lOO 



