PLATE VI. 



Fig. 42. 



Vanipyrella lateritia, normal phase, x 500, - - 24 



Vampyrella lateritia, amcfiboid phase, x 500, - 24 



Raphidiophrys viridis, x 300, - - - - 26 



Clathrulina elegans, an adult form, x 720, - 26 

 Adiuosph(erium eichhornii, one-half of an individ- 

 ual, X 200, ------ 24 



Clathrulina elegans, an immature form, x 720, - 26 



