:x-- St. 



n. 



fl.- 





/I 



_ \. m 



FIGURE 42. 



vagination cavity, i.t., inner tube, mi., mitochondria, m.r., mito- 

 chondrial ring, n., nucleus, o.d., oil droplet, o.t., outer tube, pi., 

 plasmosome. s.l., striated layer, v.b., vesicular bodies, b.p., begin- 

 ning of inner tube. 



11 



