The Mastigophora 183 



Fig. 4. 44, A, B. Monocercomonoides pilleata Kirby and Honigberg; pro- 

 targol technique (A), showing pelta, "costa," axostyle, trailing flagellum, 

 bases of anterior flagella; specimen showing flagellar connections, nucleus, 

 and axostyle (B); x2880 (after K. & H.). C. Callimastix equi Hsiung, show- 

 ing heavy tuft of flagella; xll66 (after H.). D. Dinenympha ftmbriata Kirby; 

 nucleus, heavy axostyle, four adherent flagella which become free posteri- 

 orly, and bacteria attached to the body; xIOOO (after K.). E. Pyrsonympha 

 minor Powell; nucleus, axostyle (split posteriorly); the adherent flagella 

 arise from the apical "centroblepharoplast" and extend posteriorly as eight 

 spiral cords; x900 (after P.). F. Oxymonas dimorpha Connell, non-flagel- 

 lated attached form with extended rostellum; axostyle and subpellicular 

 supporting fibrils extend posteriorly from rostellum; nucelus and ingested 

 wood chips indicated; x425 (after C). G. O. dimorpha, motile form, rostel- 

 lum not extended; xI750 (after C). H. Polymastix phyUophagae Travis and 

 Becker; nucleus, axostyle, adherent bacilli; x2400 (after T. & B.). I. Micro- 

 rhopalodina {Proboscidiella) multinucleata (Kofoid and Swezy), showing 

 rostellum (which may be extended to several times body length), multiple 

 karyomastigonts (each with a heavy axostyle); bacteria are usually attached 

 to the body; xllSO (after K. & S.). J. Saccinobacubis doroaxostylus Cleve- 

 land; broad axostyle, nucleus, flagella; x600 (after C), 



