AUTHOR'S CLASSIFICATORY TABLE. 



51 



Tabular View of the Sections, Classes, and Orders of the 



Legion INFUSORIA. 



Sections 



PANTOSTOMATA. 



Oral or inceptive area dis- 

 tributed over the entire 

 cuticular surface. 



B. 



DISCOSTOMATA. 

 Inceptive area limited to 

 a discoidal anterior ' 

 region, but not consti- 

 tuting a true mouth. 



EUSTOMATA. 

 Inceptive area taking the 

 form of a distinct 

 mouth. 



Classes. 



I. Flagellata. 



Appendages 

 fla<Telliform. 



Orders. 

 'Flagellum rudimentary,"! 



supplemented byanun-> i. Trypanosomata. 

 dulating membrane . . j 



Flagellum supplemented j 

 by lobate pseudopodia . . | 



Rhizo-flagellata. 



Flagellum supplemented ] 



3. Radio-flagellata. 



II. Ciliata. 



Appendages taking 

 the form of cilia. 



by ray-like pseudopodia ) 

 Simply flagelliferous, no^ 

 pseudopodia appen-V 4. Flagellata-pantostomata. 

 dages j 



Flagellum issuing from"! ^ 



^5. Choano-flagellata 

 centre of collar-like ex->, , ^^ 



l(vel Discostomata-gymnozoida) 

 tensile membrane . . j 



Flagellum single ox\ 

 multiple, no auxiliary V 6. Flagellata-eustomata. 

 cilia j 



Flagellum associated with"j 



more or less numerous I 7. Cilio-flagellata. 

 auxiliary cilia . . , . j 



Cilia distributed over the"] 

 entire surface of the body, > 8. Holotricha. 

 similar in character . . I 



POLYSTOMATA. 



Inceptive areas distinct 

 and multiple. 



' III. TentaciiUfera. 



Appendages 

 tentaculate. 



Cilia distributed through-'] 

 out, oral series of larger 

 size J 



Cilia usually more or less] 

 diverse, confined to the' 

 ventral surface of the 

 body 



Cilia not generally distri- 

 buted, mostly limited to 

 a conspicuous circular or 

 spiral adoral wreath . . 



Tentacles simply adhe- 

 sive 



9. Heterotricha. 



10. Hypotricha. 



II. Peritricha. 



- Tentacles suctorial 



13' 



ACTINARIA. 

 SUCTORIA. 



E 2 



