A UTHOKS CLASS I PICA TOR Y S YSTEM. 2 1 5 



FAMILY. 



VIII. VORTICELLID^; : Sub-Fam. I., VORTICELLINA : Genus i, Gerda, 

 2, Scyphidia ; 3, Spirochona ; 4, Stylochona ; 5, Rhabdostyla ; 

 6, Pyxidium ; 7, Vorticella ; 8, Carchesium ; 9, Zoothamnium ; 

 10, Epistylis ; 1 1, Opercularia. Sub-Fam. II., VAGINICOLINA : 

 Genus I, Vaginicola ; 2, Thuricola; 3, Cothurnia ; 4, Pyxicola ; 

 5, Stylocola ; 6, Platycola ; 7, Lagenophrys. Sub-Fam. III., 

 OPHRYDINA : Genus I, Ophionella ; 2, Ophrydium. 



Order IV. HYPOTRICHA. 



I. LlTONOTlD^E : Genus I, Litonotus. 



II. CHLAMYDODONTID/E : Genus i, Phascolodon ; 2, Chilodon ; 



3, Loxodes ; 4, Opisthodon ; 5, Chlamydodon ; 6, Scaphiodon. 



III. DYSTERIAD^E : Genus i, Iduna ; 2, Dysteria ; 3, Cypridium ; 



4, ^Egyria ; 5, Trochilia ; 6, Huxley a ; 7, Trichopus. 



IV. PERITROMID^; : Genus i, Peritromus. 



V. OXYTRICHID^E : Genus i, Psilotricha ; 2, Kerona ; 3, Tricho- 

 gaster ; 4, Urostyla ; 5, Onychodromus ; 6, A mphisia ; 7, Holo- 

 sticha ; 8, Plagiotricha ; 9, Epiclintes ; 10, Stichocluzta ; 

 n, Stichotricfia ; 12, Strongyliditim ; 13, Uroleptus ; 14, Stylo- 

 nethes ; 15, Allotricha; 16, Pleurotricha ; 17, Gastrostyla ; 

 1 8, Opisthotricha ; 19, Oxytricha ; 20, His trio ; 21, Actinotricha ; 

 22, Stylonychia. 



VI. EUPLOTID^E: Genus i, Aspidisca (Glaucoma; Microthorax) ; 2, 

 Urony cilia ; 3, Euplotes ; 4, Styloplotes. 



Class III. TENTACULIFERA. 

 Order I. TENTACULIFERA-STTCTOBJA. 



I. RHYNCHETID^: : Genus i, Rhynclieta; 2, Urnula. 



II. ACINETID^L: Genus i, Trichophrya; 2, Podophrya\ 3, Hemiophrya' ; 

 4, Soletwphrya; 5, Acineta. 



III. DENDROCOMETID^ : Genus i, Dendrocometes. 



IV. DENDROSOMID^; : Genus i, Dendrosoma. 



Order II. TENTACTJLIFEEA-ACTINARIA. 



I. EPHELOTID^E: Genus i,Ephelota; 2, Actinocyathus. 

 II. OrilRYODENDRID^L : Genus i, Ophryodendron ; 2, Acetiuopsis. 



