22 INFUSORIA AND KUIZOPODA. ^ i>. 



orders, Anentera and Enterodela, appears unfounded, the following class- 

 ification seems more natural : 



PROTOZOA. 



Class Infusoria. 



Organs of locomotion chiefly vibratile, 



* 



ORDER I. ÄSTOMA. 

 Without an oral aperture. 



Family: Astasiaea. 

 Genera : AmUyophis, Euglena, Chlor ogonium 



Family : Peridinaea. 

 Genera : Peridinium, Glenodinium. 



Family : Opalinaea. 

 Genus : Opalina. 



ORDER IL STOMÄTODÄ. 



With a distinct oral aperture and oesophagus. 



Family : Vorticellina. 

 Genera : Stentor, Trichodina, VorticeUa, Epistylis, Carchesium, 



Family : Ophrydina. 

 Genera : Vaginicola, Cothurnia. 



Family : Encuelia. 

 Genera : Actinophrys, Leucopkrys, Prorodon. 



Family: Trachelina. 



Genera : Glaucoma, Spirostomum, Tracheliiis, Loxodes, Chilodon, VhidliTia, 

 Bursaria, Nassula. 



Family : Kolpodea. 

 Genera : Kolpoda, ParamcBcium, Amphileptus. 



Family : Oxytriciiina. 

 Genera : Oxytricha, Stylonychia, TJrostyla. 



Family : Euplota. 

 Genera : Euplotes, HimantopJwriis, Chlamidodon^ 



