PLATE It. 9 
Bol, Go) a: 
This.minute animalcula is frequent in flagnant water, or jn in- 
fufions of vegetables, and is one {pecies of thofe whofe exiftence can 
only be difcovered by a good microfcope. It is very difficult, confi- 
dering the power thofe creatures have to diftort their true form at plea- 
fure, to fix their diftinguifhing charaéter : therefore where the definition 
appears dubious, we prefer being filent rather than hazard an error. 
Fic. 2; Reprefents them ( magnified) as they fometimes feem to 
follow the leader in herds ; but perhaps it is only the {cent of the prey 
that induces each to follow the foremoft, as they frequently {wim or 
whirl in the water feparately, with great {wiftnefs, devouring the 
{maller kinds of animalcule. 
Fic. 3. Two, magnified by a deep power, when they appear to 
have feet or fins. 
Fic. 4. Shews the ftrange form it aflumes whilfl depofiting its eggs. 
"Fic. 5: Lhe eggs deeper magnified. 
PLAT E 
