CHLAMYDOPHRYS STERCOREA 



171 



of nuclear division, and other details. C. stercorea, according to liim, 

 measures from 30 to 40 microns in length. 



Noller, Krosz, and Arndt (1921) have cultivated from horse and pig 

 dung a number of thecamoebee belonging to the genera Chlcmiydophrys, 



X, 



Fio. 83. — Trinema acinus: A Shelled Rhizopod from Pond AVater ( x 2,000). 



(Original.) 



Fig. 84. — Cochliopodium bilimbosuni ( x 1,000). (After Leidy, 1879.) 



Plagiophrys, Trinema (Fig. 83), Groniia, and Cochliopodium (Fig. 84). 

 Many of these forms multiply readily on agar plates. If pigs' faeces are 



