WOELD-BUJLDERS. 5 



"When it has in this way run its entire contents 

 into its false feet — oy pseudopodia, as men of science 

 call the splashes it sends forward — and collected its 



Amoeba flowing over and devouring microscopic animal. 



whole substance in the place taken by its advanced 

 parts, it again pushes out pseudojoodia, and in this 

 way glides slowly along. 



Perhaps the strangest part of the life story of this 

 animal is the way it breaks itself into little bits, and 

 from being one animal becomes many. When this 

 remarkable change is about to happen, the amoeba 

 ceases to move, puts on a thick crust or covering, and 

 turns into a number of little balls, each able to live 

 by itself ; presently the covering bursts, and each 

 little ball becomes a perfect amoeba ; though some- 

 times they all conclude to grow together again and 

 become one animal, in which case, whether or not the 



