nx>, 



FIGURE 42. 



vagination cavity, i.t., inner tube, mi., niitochondria. ni.r., mito- 

 chondrial ring-, n., nucleus, o.d., oil droj^ict. o.t., outer tul»c. ]>!., 

 plasmosome, s.l., striated layer, v.b., vesicular bodies. 1).])., l)egin- 

 ning of inner tube. 



11 



