EXPLANATION OF PLATE. 



PLATE XXXIV. 



Fig. 1. — Sculpturing on the surface between the niyonemes. X 1400. 



Fig. 2.^ — Surface views showing the position of the myonemes. X 1400. 



Fig. 3. — The distribution of the trichocysts in surface view. X 1400. 



Fig. 4.- — A section giving the position of the myonemes and the basal bodies. 

 X 1400. 



Fig. 5. — A section of the adoral zone showing the membraneUae. X 875. 



Fig. 6. — The menibranellae in cross section. X 1075. 



Fig. 7. — The undulating membrane in cross section. X 1075. 



Fig. 8. The undulating membrane in oblique section. X 875. 



LIST OF ABBEEVIATIONS. 



bh. — basal body. 

 Bw. — Basalwulst. 

 cl. — cilia. 

 £/■.— End fiber. 

 ml. — membranellae. 



my. — myoneme. 



pr. — primary ridges. 



sr. — secondary ridges. 



tr. — trichocysts. 



um. — undulating membrane. 



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