The Mastigophora 193 



^S' 



Fie. 4. 51. A. Holomastigotoides hemigymnum Grassi; nucleus, axostyle 

 (expanded anteriorly), flagellar bands (flagella indicated only at sides of 

 body); x320 approx. (after Mackinnon). B. Spirotrichonympha elegans 

 (Mackinnon); rostellar tube, nucleus, axostUe (expanded anteriorly), flag- 

 ellar bands (only the marginal flagella are shown); xl820 (after M.). C. 

 Spirnnympha porteri Koidzumi; axostvle, nucleus, flagellar l)ands with at- 

 tached parabasal bodies; marginal flagella indicated; adherent spirochetes 

 posterior to the flagellar bands have sometimes been mistaken for flagella; 

 xl600 approx. (after Brown). 



The family includes Barbulanymplta Cleveland (39; Fig. 4. 50, C), Hoplonympha 

 Light (182; Fig. 4. 50, E, F), RhyncJwnympha Cleveland (39), and Urinympha 

 Cleveland (39; Fig. 4. 50, D). 



Family 2. Staurojueuinidae. The flagella are arranged in four anterior 

 groups. A number of slender fibrillar axostyles are attached to each 

 flagellar group, and in Idionympha four groups of slender parabasal 

 "cords" are associated with the flagellar groups. 



The family includes Staurojoenina Grassi (133a; Fig. 4. 50, A, B) from 

 termites and Idionympha Cleveland (39) from the wood roach. 



Family 3. Holomastigotidae. The flagella arise from bands of basal 

 granides which extend spirally around the body. Two, four, or more 

 bands have been reported in different species. Apparent variations within 

 a species possibly involve duplication in fission. 



The family includes Holomastigotes Grassi (72, 160), Holomastigotoides Grassi and 

 Foa (14, 160, 192; Fig. 4. 51, A), Leptospironympha Cleveland (39), Macrospironympha 

 Cleveland (39), Spironympha Koidzumi (28; Fig. 4. 51, C), Spirotrichonymphella 

 Grassi, Spirotrichonympha Grassi (54, 72, 160, 193; Fig. 4. 51, B) and Spirotrichosoma 

 .Sutherland (266). Leptospironympha and Macrospironympha have been reported from 

 the wood roach; the other genera, from termites. 



