471) BIOLOGY OF THE PROTOZOA 



Sub-family 2. Allogromiinae Rhumbler. 



1 . Test ovoid; plastic, aperture lateral . Genus Lieberkiihnia 



Clap, and Lachm. 

 Test rigid or plastic; aperture terminal. . . 2 



2. Test oval or pyriform; not encrusted 3 



Test cylindrical; encrusted with foreign 



bodies Genus Rhynchogromia Rhumbler 



3. Test and organism minute; often colonial 



Genus Microgromia 



Hertwig and Less. 



Test large, oval, solitary Genus Allogromia Rhumbler 



Sub-family 3. Amphistominae Cash. 



1 . Test with two apertures 2 



Test with from three to six apertures 



Genus Microcometes 



2. Test minute; hyaline; spheroidal; colored 



globule ( renus Diplophrys 



Test medium; oval; encrusted or not; with 

 symbionts Genus Amphitrema 



