326 PROTOZOOLOGY 



T. grandis Cleveland. 190-205/Lt by 79-88//; in Cryptocercus punc- 

 tualatus. 



Genus Pseudotrichonympha Grassi. 2 parts in anterior end as in 

 Trichonympha; head organ with a spherical body at its tip and 

 surrounded by a single layer of ectoplasm ; bell covered by 2 layers 

 of ectoplasm; nucleus lies freely; body covered by slightly oblique 

 rows of short flagella; in termite gut. 



P. grassii Koidzumi. In Coptotermes formosanus; spindle-form; 

 200-300M by 50-120/x. 



Genus Deltotrichonympha Sutherland. Triangular; with a small 

 dome-shaped "head"; composed of 2 layers; head and neck with long 

 active flagella; body flagella short, arranged in 5 longitudinal rows; 

 flagella absent along posterior margin; nucleus large oval, located 

 in anterior third; cytoplasm with wood chips; in termite gut. One 

 species. 



D. operculata S. Up to 230m long, 164^i wide, and about 50^i thick; 

 in gut of Mastotermes darwiniensis; Australia. 



Family 7 Eucomonymphidae Cleveland 



Genus Eucomonympha Cleveland. Body covered with flagella 

 arranged in 2 (longer rostral and shorter post-rostral) zones; rostral 

 tube very broad, filled with hyaline material; nucleus at base of 

 rostrum; in gut of Cryptocercus punctulatus. 



E. imla C. (Fig. 153, e). 100-165m by 48-160m; attached forms 

 more elongate than free individuals. 



Family 8 Teratonymphidae Koidzumi 



Genus Teratonympha Koidzumi {Cyclonympha Dogiel). Large; 

 and elongate; transversely ridged, and presents a metameric appear- 

 ance; each ridge with a single row of flagella; anterior end complex, 

 containing a nucleus; reproduction by longitudinal fission; in termite 

 gut. 



T. mirabilis K. (Fig. 152, g). 200-300^ or longer by 40-50^; in 

 Reticulitermes speraius. 



References 



Cleveland, L. R. 1925 The effects of oxygenation and starvation 

 on the symbiosis between the termite, Termopsis, and its intes- 

 tinal flagellates. Biol. Bull., Vol. 48. 



and others 1934 The wood-feeding roach, Cryptocercus, its 



Protozoa, and the symbiosis between Protozoa and roach. Mem. 

 Amer. Acad. Arts and Sci., Vol. 17. 



