194 The Mastigophora 



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Fig. 4. 52. A. Teratonympha sp. from Reticulotermes speratus; anterior 

 end of body showing rostral tube, rostra! flagella, nuclear "sleeve" extending 

 from nucleus into rostral tube, and supporting fibrils surround nuclear 

 sleeve and nucleus; the fibrils end posteriorly in the first flagellar band; 

 x840 (after Cleveland). B. Surface view of Teratonympha showing circular 

 flagellar bands; flagella indicated diagrammatically; x280 (after Cleveland). 

 C. Eucomonympha inula Cleveland, showing rostrum with anterior cap 

 (operculum), nucleus, and fibrillar axostyles extending posteriorly; x350 

 (after C). D. Triclwnympha corbula Kirby, showing three flagellar zones 

 and the parabasal bodies surrounding the nucleus; x475 (after K.). 



Family 4. Trichonymphidae. Except for the tip of the rostrum, the sur- 

 face of the body is flagellated in certain genera {Deltotrichonyynpha , 

 Eucomonympha, Mixotricha, Pseudotrichonympha). In others, a small or 

 a large posterior portion is bare. The flagella are arranged in longitu- 

 dinal rows, and may form two or three transverse zones diffiering in 



