I 
292 Different Wheel Animals* 
mory of Mr. Leeuwenhoek , by repeating? 
that vve are obliged to his indefatigable In- 
duftry for the fir ft Difcovery of this moft 
furprizing Infecft. 
C H A P. VII. 
Different Kinds of Wheel Animals. 
T HERE are found in the Waters'fe- 
veral other Kinds of Animalcules, 
furniihed with Inftruments for making an 
Eddy, and thereby bringing to themfelves 
fuch minute Infers, or very final! Particles 
of Matter, as ferve them for Food. Among 
ihefe fome appear to have a rotatory and 
others a vibrating Motion; fome alfo feem 
capable of being employed both Ways. 
In the Ditch-Water fent me from Nor¬ 
wich, as before-mentioned ,page 233,1 difco- 
vered feveral Wheel Animals with Tails enor- 
moufly long, but in all other Refpedls, as. far 
as I could difcern, differing not at all from 
thofe juft now defcribed ; the Motion of the 
Wheels, the Pulfation of the Heart, and the 
Undulation of the Bowels appearing exactly 
the lame in both : Nothing therefore feems 
farther neceffary than to give the Picture of 
them, which fee Fig. 1. Plate XII. 
Fig. 2 and 3 in the fame Plate , repre- 
fent two different Sorts of Animalcules, feve¬ 
ral whereof were found fome Years ago, in 
Water 
