16 Recipe for de Piyang Caterpillars. 
tan only are employed. They are dyed with the palvened 
bark of the pomegranate tree and alum. 
The falfe red dye is communicated to fkins with Brazil 
wood and alum. Inftead of Brazil wood, fouab, a kind of 
galium or rubia (madder), brought in large quantities ree 
Morocco, is often employed. 
IV. Recipe for deftroying Caterpillars on Goofeberry Bujhts”, 
A RECEIPT for this purpofe was offered to be commu- 
nicated to the Society by William Henderfon, of Baldridge 
Burn near Dunfermline, on the 6th of February 1795, for 
a fuitable reward. The propofal was referred to a Sub-Com- 
mittee, of which Dr. Monro, Profefflor of Anatomy in the 
Univerfity of Edinburgh, was chairman, who, after making 
trial of the receipt, gave in their report on the rft of July 1796. 
The receipt for the preparation, and the manner of ufing it, 
was in the following words :— 
Take one Scots pint of tobacco liquor f, which the ma- 
nufacturers of tobacco generally fell for deftroying bugs, and 
mix therewith about one ounce of alum; ant! when the alum 
is fufficiently diffolved, put this mixture into a plate, or other 
veffel, wide and long enough to admit of a brufh, like a 
weaver’s brufh, being dipped into it; and as early in the 
feafon as you can perceive the leaves of the bufhes to be in 
the leaft eaten, or the eggs upon the leaves, (which gene- 
tally happens about the end of May,) and which will be 
found in great numbers on the veins of the leaves on their 
under fide; you are then to take the preparation, or liquor, 
and after dipping the brufh into it, and holding the brufh 
* From Prize Effays and Tranfadtions of the Highland Society of Scot- 
land, Vol. I. 
+ Tobacco liquor is the fuperfluous moifture expreffed from ro!] tobacco 
in the operation of prefling it, and is, in fact, only a {trong infefion of 
tobacco in well or {pring water, which may be made, where it cannot be 
purchafed, by infufing any kind of tobacco in water till all the ftrength 
be extraéted. Perhaps the fulphat of iron (copperas), employed in dyeing 
the roll tobacco, contributes a little to the eficaey of the liquor: a little of 
it may therefore be added to the infufion. Enir, 
towards 
. 
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