Epidinium spp from the rumen of a sheep.  It is a mutualistic ciliate which has its cilia confined to its cytostome.  100x
 


Epidinium spp from the rumen of a sheep.  The cytostome can be seen opening to the upper left.  There are no external cilia but the cilia are found in the cytostome.  An electron micrograph of such cilia can be seen in the ultrastructure page.  400x