2 04 PER TV'S CLASS I PICA TOR Y SYS TEM. 



SECTION II. CILIATA (non-vibratile, slightly contractile cilia). 

 Family 8. ACTINOPHRYINA : Actinophrys, Podophrya, Acineta. 



A. METABOLICA (highly contractile and changeable in form). 

 9. OPHRYOCERCINA : Trachelocerca, Lacrymatia. 



B. M ONI MA (contractile, but without jerking action or alteration of contour). 



10. COLEPINA : Coleps. 



ii. EUPLOTINA : Euplotes, Himantophorus, Coccudina, Aspidisca. 



12. COBALINA : Alastor, Plagiotoma, Leucophrys, Opalina. 



13. OXYTRICHINA : Stichotriclia, Mitophora, Oxytricha, Urostyla, Cerona. 



14. TRACHELINA : Trachelius, Harmodirus, Amphileptus, Loxophyllum, 

 Dilepfus, Pelecida, Loxodes. 



15. TAPINIA : Acropisthium, Acomia, Trichoda, Cyclidium, Boeonidium, Opis- 

 thiotricha,) Siagontherium, Megatricha. 



1 6. APIONIDINA : Ptyxidium, Colobidium^ Apionidium. 



17. CINKTOCHILINA : Glaucoma, Cinetochilum. 



1 8. DECTERIA : Cyclogramma, Chilodou, Nassula, Prorodon, Habrodon. 



19. APHTHONIA: Pleuronema. 



20. HOLOPHRYINA : Holophrya, Enchefys, Spathidium. 



21. PARAMECIINA : Ophryoglena, Panophrys, Parameeium, Blepharisma, 

 Colpoda. 



22. BURSARINA : Bursarid. 



C. SPASTIC A (contractile, form changeable, with a jerking action). 



23. URCEOLARINA : Stentor, Spirostomum, Canomorpha, Urocentrum. 



24. OPHRYDINA : Ophrydium. 



25. VORTICELLINA : Vorticella, Scyphidia, Epistylis. 



26. VAGINIFERA : Vaginicola, Cothurnia. 



