CHAPTER IV 



OUTLINE OF THE CLASSIFICATION 



THE SYSTEM of classification adopted here was formulated 

 largely by Biitschli and has been modified from time to 

 time by other protozoologists. In this system the Protozoa are 

 divided into two subphyla: Plasmodroma and Ciliophora. 



The Plasmodroma include three classes: (1) the Mastigo- 

 phora, which have flagella; (2) the Sarcodina, which form 

 pseudopodia; and (3) the Sporozoa, which possess no locomotor 

 cell-organs. The Ciliophora include two classes: (1) the Ciliata, 

 which have cilia throughout their life-cycle; and (2) the Suc- 

 toria, which show cilia only in the immature stage. In the 

 Plasmodroma the nuclei are of a single type, but in the Cilio- 

 phora there are two types of nuclei. A synopsis of all classes 

 will be given here for the convenience of the reader. 



PHYLUM PROTOZOA 



Page 



Subphyhim 1 Plasmodroma 82 



Class 1 Mastigophora 82 



Subclass 1 Phytomastigina 84 



Order 1 Chrysomonadida 84 



Suborder 1 Euchrysomonadina 86 



Family 1 Chromulinidae 86 



Genus Chrysapsis 86 



Chromulina 86 



Chrysococcus 86 



Mallomonas 86 



Family 2 Isochrysidae 87 



Genus Synura 87 



Syncrypta 88 



Family 3 Ochromonadidae 88 



Genus Ochromonas 88 



Uroglena 88 



Uroglenopsis 88 



Cyclonexis 89 



Dinobryon 89 



Hyalobryon 89 



Stylopyxis 89 



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