itfelf in fome other fpot, and forming a new colony. 
T! te Vcrticellae teed on animalcules Hill fmaller than 
themfelves; and their various motions are com¬ 
monly exerted in order to obtain their prey, the ro¬ 
tatory motion of their tentacula cauting an eddy in 
the neighbourhood of each individual fufficient to 
attract into its vortex the animalcules which happen 
to fwim near, and which the Vorticellae feize, by 
fuddenly contradling, and inclofing them. 
