440 Treatise on 
make a round Hole 'in its Surface, through which 
they creep out, and fly away. If the Gall be not 
pierced, we find in it a Worm or Fly : But if it 
be pierced, it is found empty, or full of other Ani~ 
malcula which have accidentally lodged themfelves 
in it. 
In the Shops are two Sorts, i . Oriental or Alep - 
po Galls. 2 . European Galls. The Aleppo Galls are 
roundifh, of the Bignefs of an Hazel-nut or Fil- 
herd, angular, fmoother or rougher, having fome- 
times few, fometimes many Protuberances, ponde- 
rous, of a whitifli, green, or blackifh Colour, with- 
in denfe and refinous, and of an aflringent and a- 
cerb Tafte. The European Galls are round, of a red- 
difh. Colour or reddifh yellow, fmooth on their Sur- 
face, light, eafily broken, of a rare Subftance, 
fungous, and fometimes hollow. They are inferior 
to the Oriental, both for dyeing and for Medicines. 
Thefe two Sorts were diftinguifhed by the An- 
cients : The former they called tmj ; the latter 
oi/cxnx!?. 
In a chymical Analyfis , five Pounds of dry Aleppo 
Galls, yielded eight Ounces, feven Drachms and a 
Half of Liquor fomewhat yellow and fub-acid *, fix 
Ounces, feven Drachms of reddifh, acid Liquor, 
a little empyreumatick *, fourteen Ounces and two 
Drachms of brown, faltifh, acrid, empyreumatick 
Liquor, both acid and urinous •, two Ounces, five 
Drachms and fifty- four Grains of thick Oil, of a 
Confidence like Pitch, and fomething foetid. The 
black Mafs remaining in the Retort weighed twenty- 
eight Ounces, five Drachms and fifty-four Grains ; 
which being calcined left two Ounces and two 
Grains of brown Afhes ; from which were got, by 
Lixiviation, feven Drachms and fifty Grains of fixt 
alkaline Salt, extremely acrid. The Lofs in Diflil- 
Jation was qne Pound > two Ounces an<3 four 
Drachms $ 
