38 



THE PROTOZOA 



Fio. 19. Clathrvlina elegans, a Heliozoon with a lattice-like skeleton, attached by 

 a stalk. Two individuals are seen, the younger with its stalk attached to tho 

 head of tho older ; in the younger the lattice-work is still very delicate. Both 

 individuals are sending out numerous radiating pseudopodia, very delicate 

 and slender. After Leidy, magnified 750 diameters. 



