48 MORPHOGENESIS IN CILIATES 



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Fig. 17. Stomatogenesis in Glaucoma sciiitillaus and Leucophnjs piri- 

 formis, (a) Glaucoma scintillans. The very beginning of the mouth 

 formation. Some kinetosomes have been produced at the left of 

 the stomatogenic kinety 1. (b), (c), (d) Later stages of mouth 

 formation, (e), (f) Stomatogenesis of Leucophrys pirijormis. (e) 

 Division of the kinetosomes of the stomatogenic row 1. (f) Mouth 



is completed. 



