

FIG. 113. A, Multicilia lacustris, after Lauterborn. /?., Flagella, one of which 

 is curled up into a loop ; ps., pseudopodiurn-like process ; N., one of the 

 nuclei (the others are hidden by the ingested food-masses) ; 0., ingested 

 Ohlamydomonads ; c., chlorophyll-bodies, the remains of other Chlamydo- 

 monads in process of digestion. B, Mnlticilia palustris, after Penard. N., The 

 single central nucleus. 



