214 A UTHORS CLASS I PICA TOR Y SYS TEM. 



FAMILY. 



IX. OPHRYOGLENID^E : Genus \,Ophryoglena; 2, Panophrys ; $,Cydo- 

 tricha ; 4, Trichoda ; 5, Lembadion ; 6, Leucophrys ; 7, Colpi- 

 dium ; 8, Plagiopyla ; 9, Meniscostomum ; 10, Chasmatostomum ; 

 1 1, Pleurochilidium. 



X. PLEURONEMID^E : Genus i,Pleuronema; 2,Cyclidium; $,Uronema; 

 4, Bceonidium. 



XI. LEMBID^E: Genus I, Lembus ; 2, Proboscella. 



XII. TRICHONYMPHID^; : Genus I, Trichonympha ; 2, Pyrsonema ; 



3, Dinonympha. 



APPENDIX. 



XIII. OPALINID^: : Genus I, Opalina ; 2, Anoplopkrya ; 3, Discophrya ; 



4, Hoplitophrya. 



Order II. HETEROTRICHA. 



I. BURSARIID^E: Genus i, Bursaria; 2, Bursarella ; 3, Balantidium ; 

 4, Nyctotherus; 5, Metopus ; 6, Metopides ; 7, Plagiotoma. 



II. SPIROSTOMID^E : Genus I, Condylostoma ; 2, Blcpharisma ; 3, S//- 

 rostomum ; 4, Climacostomum. 



III. STENTORID.E: Genus I, Stentor ; 2, Follicularia ; 3, Chatospira. 



IV. TlNTINNOD^E : Genus I, Tintinnus ; 2, Tintinnidiiim ; 3, Vasicola ; 



4, Strombidinopsis. 



V. TRICHODINOPSID^E : Genus i, Trichodinopsis. 



VI. CODONELLID^E : Genus I, Codonella ; 2, Tintinnopsis. 

 VII. CALCEOLID^E: Genus i, Calceolus. 



Order III. PERITRICHA. 

 I. TORQUATELLID^L : Genus i, Torquatella. 

 II. DlCTYOCYSTlD^L : Genus i, Dictyocysta. 



III. ACTINOBOLID/E : Genus i, Actinobolus. 



IV. HALTERIID^E : Genus I, H alter ia ; 2, Strombidium ; 3, 



dinium ; 4, Acarella ; 5, Arachnopsis ; 6, Didinium. 



V. GYROCORID^E: Genus i, Gyrocoris ; 2, Urocentrum. 



VI. URCEOLARIID^E : Genus i, Trichodina ; 2, Urceolaria ; 3, 

 chata ; 4, Licnophora. 



VII. OPHRYOSCOLECID^; : Genus i, Opkryoscolex ; 2, Entodinium ; 



3, Astylozoon. 



