PROTOZOA OR SIMPLEST ANIMALS. 
animal or vegetable kingdom, or as being in an intermediate position. High Wall 
In some phases of their life-history, Mycetozoa exhibit characters ^ as ® nd of 
attributed to vegetable organisms ; in other phases, again, they Gallery. 
Fig. 3. 
Clathrulina elegant, the Latticed Sun-Animalcule. 
Magnified 350 diameters. 
resemble undoubted animal organisms. One of the best known 
forms is Fuligo septica , which creeps over the surface of tan-pits. 
The creeping “ plasmodium ” develops masses of cysts known as 
