smith: infusoria of Kansas. 151 



Family Oxytrichidae — concluded. >""!• 



Oxytricha bifaria, Stokes 165 



Oxytricha pellionella, Mull 166 



Stylonychia mytilus, Ehr 166 



Stylonychia pustulata, Ehr 166 



Stylonychia notrophora, Stokes 166 



Family Euplotidse. 



Euplotes patella, Ehr 167 



Euplotes carinata, Ehr 167 



Aspidisca eostata, Duj 167 



Order Peritricha. 



Family Vortieellidse. 



Subfamily Uroceolarina?. 



Trichodina sp 168 



Subfamily Gyrocoridina?. 



Telotrochidium sp 168 



Subfamily Vorticellidina?. 



Scyphidia inclinans, D'Udk 169 



Vorticella gracilis, Duj 169 



Vorticella cucullus, From 170 



Vorticella longifilum. S. Kent 170 



Vorticella campanula, Ehr 170 



Vorticella microstoma, Ehr 170 



Vorticella utriculus, Stokes 170 



Vorticella elongata, From 170 



Vorticella spectabilis, S. K 170 



Vorticella convallaria, Linn 171 



Vorticella pusilla, Stokes 171 



Vorticella aquae-dulcus, Stokes 171 



Vorticella simulus, Stokes 171 



Carchesium polypinum, Linn 171 



Epistylis plicatilis, Ehr 171 



Epistylis umbilicata, C. & L 172 



Opercularia sp 172 



Vaginicola crystallina, Ehr 173 



Subclass Suctoria. 



Family Podophryidse. 



Podophrya libera, Perty 173 



Podophrya quadripartita, C. & L 173 



CLASSIFICATION AND DESCRIPTION. 



Class INFUSORIA. 



The term Infusoria is applied to one of the four large classes of 

 Protozoa. To this class belong those Protozoa having cilia (1) during 

 the entire life cycle, or (2) during embryonic life only. 



Subclass ClLIATA. 



Infusoria which retain their cilia during the entire life cycle. 

 Order Holotricha. 



Ciliata in which the cilia are universally distributed over the cuticular 



surface of the body and are 'all approximately equal in length and 

 thickness. 



Suborder Gymnostomina. 



Holotricha with mouth which can be closed. Undulating membrane 

 lacking. 



Family Enchelinim;. 



The mouth which can be closed is terminal or subterminal. Food is 

 taken in by swallowing. 



