392 



BIOLOGY OF THE PROTOZOA 







-I 



Mm 



Fig. 175.— Types of Ciliata. A, Amphisia kessleri; B, Uroleplus pisces; C, Hislrio 

 pellionella; D, Strong ylidium sp.; E, Oxytricha pellionella; F, Oxytricha fallax. {A, 

 after Calkins, B, C, D, E, after Biitschli; F, after Stein.) 



