22 INFUSORIA AND RHIZOPODA. $e 
orders, Anentera and Enterodela, appears unfounded, the following class- 
ification seems more natural : ; 
PROTOZOA. 
Cuass INFUSORIA. 
Organs of locomotion chiefly vibratile. 
ORDER I. ASTOMA. 
Without an oral aperture. 
Famity: Astastaza. 
Genera: Amblyophis, Euglena, Chlorogonium 
Faminy: Prana. 
Genera: Peridinium, Glenodinium. 
Famity: Opatinara. 
Genus: Opalina. 
ORDER II. STOMATODA. 
With a distinct oral aperture and cesophagus. 
Famity: VorticELLina. 
Genera: Stentor, Trichodina, Vorticella, Epistylis, Carchesium. 
Famity: Oparypina. 
“Genera: Vaginicola, Cothurnia. 
Faminty: Encwerta. 
Genera: Actinophrys, Leucophrys, Prorodon. 
Famity: TRACHELINA. 
Genera: Glaucoma, Spirostomum, Trachelius, Loxodes, Chilodon, Phialina 
Bursaria, Nassula. 
Famity: Koxpopga. 
Genera: Kolpoda, Paramecium, Amphileptus. 
Famity: Oxytricuina. 
Genera: Oxytricha, Stylonychia, Urostyla. 
Famity: Evuptora. 
Genera : Euplotes, Himantophorus, Chlamidodon, 
