THE PATHOGENIC RHIZOPODA 



FIG. 114 



291 



/I , Mult-icilia lacustris, Lauterb. (After Lauterborn.) B, Pyrsonympha vertens, Leidy, with 

 attaching organ. (After Porter.) x, vibrating band in the inner protoplasm. 



FIG. 115 



Flagellated and ciliated intestinal parasites. A,B, Megastoma (Lamblia) entericum. 

 Grassi; C, Balantidium entozoon, Ehr. 



