it can make no ufe, they being immoveable. The 
larva may be nourished in boxes, and fed with flies* 
of which they are fond. They are fmall, lively, and 
creep like caterpillars, they pafs 14 or 15 days in the 
larva (late, and feed on greafy down. 
Remedies againjl Fleas . 
Brimflone, fumigation of penny royal, or the frefk 
leaves fewed in a bag and laid in the bed. 
GENUS 6.—ACARUS, TICK. 
The acari live chiefly upon other animals ; quad¬ 
rupeds, birds, and infefts : fome of the latter are 
often quite covered with them, others of them live in 
the water, others upon trees, plants, See* 
They are oviparous : 
The difeafe called the itch is fuppofed to be owing 
to fmall ticks or mites as fome call them. 
* 
Acarus coleoptratum , Beetle-Tick* 
This is one of thofe animals whofe minutenefs 
fecures it from danger, whilft it draws nutriment 
from the blood, and frequently from the vitals of 
larger infe&s. Every animal is tormented by thefe 
beings, diftinguifhed by the name of lice, bugs, fieas, 
mites, &c. 
Beetles are in general infefted with ? and feverely iru* 
jured by thefe creatures. 
The 
